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Refereed, Molecular Nutrition and Food Research, Wiley-VCH Verlag, A Phytol-Enriched Diet Activates PPAR-α in the Liver and Brown Adipose Tissue to Ameliorate Obesity-Induced Metabolic Abnormalities, Ji-Yeong An; Huei-Fen Jheng; Hiroyuki Nagai; Kohei Sanada; Haruya Takahashi; Mari Iwase; Natsumi Watanabe; Young-Il Kim; Aki Teraminami; Nobuyuki Takahashi; Rieko Nakata; Hiroyasu Inoue; Shigeto Seno; Hideo Mastuda; Teruo Kawada; Tsuyoshi Goto, Scope: Peroxisome proliferator-activated receptor alpha (PPAR-α) is a ligand-activated transcription factor that regulates lipid and carbohydrate metabolism. We investigate the effects of naturally occurring PPAR-α agonists, phytol, and its metabolite phytanic acid, on obesity-induced metabolic disorders using a mouse model. Methods and results: A luciferase reporter assay shows that phytanic acid potently activates PPAR-α among PPAR subtypes. In high-fat-diet-induced, severely obese mice, a phytol-enriched diet increases phytanic acid levels in the liver and adipose tissue, where PPAR-α is abundantly expressed. A phytol-enriched diet ameliorates severe obesity and the related metabolic abnormalities of white adipose tissue. Moreover, the expression of PPAR-α target genes in the liver and brown adipose tissue is enhanced by a phytol-enriched diet, suggesting that phytol and phytanic acid activate PPAR-α in these organs. We confirm that phytanic acid treatment induced PPAR-α target gene expression in both primary hepatocytes and brown adipocytes from wild-type mice, but not in these cells from PPAR-α-deficient mice. Conclusion: A phytol-enriched diet may increase phytanic acid levels in the liver and brown adipocytes, thereby activating PPAR-α in these organs and ameliorating obesity-induced metabolic diseases., 01 Mar. 2018, 62, 6, e1700688, Scientific journal, 10.1002/mnfr.201700688
Refereed, 生化学, レスベラトロール研究の進展, 中田理恵子; 井上裕康, 2018, 90, 4, 529, 532
Refereed, JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, AMER CHEMICAL SOC, Rice Koji Extract Enhances Lipid Metabolism through Proliferator-Activated Receptor Alpha (PPAR alpha) Activation in Mouse Liver, Haruya Takahashi; Hsin-Yi Chi; Shinsuke Mohri; Kosuke Kamakari; Kelp Nakata; Noriyoshi Ichijo; Rieko Nakata; Hiroyasu Inoue; Tsuyoshi Goto; Teruo Kawada, Koji is made from grains fermented with Aspergillus oiyzae and is essential for the production of many traditional Japanese foods. Many previous studies have shown that koji contributes to the improvement of dyslipidemia. However, little is known regarding the underlying mechanism of this effect. Furthermore, the compound contributing to the activation of lipid metabolism is unknown. We demonstrated that rice koji extract (RKE) induces the mRNA expression of peroxisome proliferator-activated receptor alpha (PPAR alpha) target genes, which promotes lipid metabolism in murine hepatocytes. This effect was not observed in PPAR alpha-KO hepatocytes. We also demonstrated that RKE contained linolenic acid (LIA), oleic acid (OA), and hydroxyoctadecadienoic acids (HODEs), which activate PPAR alpha, using LC-MS analysis. Our findings suggest that RKE, containing LIA, OA, and HODEs, could be valuable in improving dyslipidemia via PPAR alpha activation., Nov. 2016, 64, 46, 8848, 8856, Scientific journal, 10.1021/acs.jafc.6b03516
Refereed, SCIENTIFIC REPORTS, NATURE PUBLISHING GROUP, Single ingestion of soy beta-conglycinin induces increased postprandial circulating FGF21 levels exerting beneficial health effects, Tsutomu Hashidume; Asuka Kato; Tomohiro Tanaka; Shoko Miyoshi; Nobuyuki Itoh; Rieko Nakata; Hiroyasu Inoue; Akira Oikawa; Yuji Nakai; Makoto Shimizu; Jun Inoue; Ryuichiro Sato, Soy protein beta-conglycinin has serum lipid-lowering and anti-obesity effects. We showed that singleingestion of beta-conglycinin after fasting alters gene expression in mouse liver. A sharp increase in fibroblast growth factor 21 (FGF21) gene expression, which is depressed by normal feeding, resulted in increased postprandial circulating FGF21 levels along with a significant decrease in adipose tissue weights. Most increases in gene expressions, including FGF21, were targets for the activating transcription factor 4 (ATF4), but not for peroxisome proliferator-activated receptor a. Overexpression of a dominant-negative form of ATF4 significantly reduced beta-conglycinin-induced increases in hepatic FGF21 gene expression. In FGF21-deficient mice, beta-conglycinin effects were partially abolished. Methionine supplementation to the diet or primary hepatocyte culture medium demonstrated its importance for activating liver or hepatocyte ATF4-FGF21 signaling. Thus, dietary beta-conglycinin intake can impact hepatic and systemic metabolism by increasing the postprandial circulating FGF21 levels., Jun. 2016, 6, 28183, Scientific journal, 10.1038/srep28183
Refereed, Integrative Food, Nutr. Metab., Smartphone usage during meals is a potential risk for weight gain in post-addescent female students, Fujiwara T; Nakata R, 2016, 3, 5, 424, 426
Refereed, JOURNAL OF LIPID RESEARCH, AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC, Metabolomics reveal 1-palmitoyl lysophosphatidylcholine production by peroxisome proliferator-activated receptor alpha, Haruya Takahashi; Tsuyoshi Goto; Yota Yamazaki; Kosuke Kamakari; Mariko Hirata; Hideyuki Suzuki; Daisuke Shibata; Rieko Nakata; Hiroyasu Inoue; Nobuyuki Takahashi; Teruo Kawada, PPAR is well known as a master regulator of lipid metabolism. PPAR activation enhances fatty acid oxidation and decreases the levels of circulating and cellular lipids in obese diabetic patients. Although PPAR target genes are widely known, little is known about the alteration of plasma and liver metabolites during PPAR activation. Here, we report that metabolome analysis-implicated upregulation of many plasma lysoGP species during bezafibrate (PPAR agonist) treatment. In particular, 1-palmitoyl lysophosphatidylcholine [LPC(16:0)] is increased by bezafibrate treatment in both plasma and liver. In mouse primary hepatocytes, the secretion of LPC(16:0) increased on PPAR activation, and this effect was attenuated by PPAR antagonist treatment. We demonstrated that Pla(2)g7 gene expression levels in the murine hepatocytes were increased by PPAR activation, and the secretion of LPC(16:0) was suppressed by Pla(2)g7 siRNA treatment. Interestingly, LPC(16:0) activates PPAR and induces the expression of PPAR target genes in hepatocytes. Furthermore, we showed that LPC(16:0) has the ability to recover glucose uptake in adipocytes induced insulin resistance. These results reveal that LPC(16:0) is induced by PPAR activation in hepatocytes; LPC(16:0) contributes to the upregulation of PPAR target genes in hepatocytes and the recovery of glucose uptake in insulin-resistant adipocytes., Feb. 2015, 56, 2, 254, 265, Scientific journal, 10.1194/jlr.M052464
Refereed, PloS one, The 4'-hydroxyl group of resveratrol is functionally important for direct activation of PPARα., Yoshie Takizawa; Rieko Nakata; Kiyoshi Fukuhara; Hiroshi Yamashita; Hideo Kubodera; Hiroyasu Inoue, Long-term moderate consumption of red wine is associated with a reduced risk of developing lifestyle-related diseases such as cardiovascular disease and cancer. Therefore, resveratrol, a constituent of grapes and various other plants, has attracted substantial interest. This study focused on one molecular target of resveratrol, the peroxisome proliferator activated receptor α (PPARα). Our previous study in mice showed that resveratrol-mediated protection of the brain against stroke requires activation of PPARα; however, the molecular mechanisms involved in this process remain unknown. Here, we evaluated the chemical basis of the resveratrol-mediated activation of PPARα by performing a docking mode simulation and examining the structure-activity relationships of various polyphenols. The results of experiments using the crystal structure of the PPARα ligand-binding domain and an analysis of the activation of PPARα by a resveratrol analog 4-phenylazophenol (4-PAP) in vivo indicate that the 4'-hydroxyl group of resveratrol is critical for the direct activation of PPARα. Activation of PPARα by 5 μM resveratrol was enhanced by rolipram, an inhibitor of phosphodiesterase (PDE) and forskolin, an activator of adenylate cyclase. We also found that resveratrol has a higher PDE inhibitory activity (IC50 = 19 μM) than resveratrol analogs trans-4-hydroxystilbene and 4-PAP (IC50 = 27-28 μM), both of which has only 4'-hydroxyl group, indicating that this 4'-hydroxyl group of resveratrol is not sufficient for the inhibition of PDE. This result is consistent with that 10 μM resveratrol has a higher agonistic activity of PPARα than these analogs, suggesting that there is a feedforward activation loop of PPARα by resveratrol, which may be involved in the long-term effects of resveratrol in vivo., 2015, 10, 3, e0120865, Scientific journal, True, 10.1371/journal.pone.0120865
Refereed, 予防医学Aggressive, 鉄吸収促進作用のあるDFAIIIは非貧血者では鉄過剰を引き起こさない, 奥原康英; 蜂谷幸子; 重松典宏; 森本恵子; 原博; 中田理恵子, 2015, 2, 3, 18, 23
Refereed, ENDOCRINE METABOLIC & IMMUNE DISORDERS-DRUG TARGETS, BENTHAM SCIENCE PUBL LTD, Resveratrol Targets in Inflammation, Hiroyasu Inoue; Rieko Nakata, Resveratrol, a constituent of grapes and various other plants, has been an attractive compound for biomedical studies because moderate long-term drinking of red wine is associated with a reduced risk of lifestyle-related diseases, such as cardiovascular diseases and cancer. Resveratrol is as a phytoalexin, cyclooxygenase (COX) suppressor, and an activator of peroxisome proliferator-activated receptor (PPAR) and SIRT1. As a major phytoalexin, resveratrol is produced by plants in response to various environmental stresses, such as pathogens and ultraviolet (UV) radiation, and promotes resistance to these stresses. A similar active ingredient, salicylic acid (SA), is also produced by plants. Aspirin, acetylated SA, is a major nonsteroidal anti-inflammatory drug (NSAID) because it inhibits COX activity in humans. The jasmonic acid (JA) pathway in plants and the COX pathway in humans are both defense systems against environmental stresses and involve lipid mediators derived from phospholipids. We can hypothesize that there is a molecular basis for the mutually beneficial relationship between plants and humans, which is important for understanding the mode of action of resveratrol in inflammation. Here we provide a review of the studies on resveratrol, especially with respect to the role of COX and PPAR in inflammation., 2015, 15, 3, 186, 195, Scientific journal, 10.2174/1871530315666150316120316
Refereed, FEBS LETTERS, ELSEVIER SCIENCE BV, Disturbed biopterin and folate metabolism in the Qdpr-deficient mouse, Feng Xu; Yusuke Sudo; Sho Sanechika; Junpei Yamashita; Sho Shimaguchi; Shun-ichiro Honda; Chiho Sumi-Ichinose; Masayo Mori-Kojima; Rieko Nakata; Tadaomi Furuta; Minoru Sakurai; Masahiro Sugimoto; Tomoyoshi Soga; Kazunao Kondo; Hiroshi Ichinose, Quinonoid dihydropteridine reductase (QDPR) catalyzes the regeneration of tetrahydrobiopterin (BH4), a cofactor for monoamine synthesis, phenylalanine hydroxylation and nitric oxide production. Here, we produced and analyzed a transgenic Qdpr (/) mouse model. Unexpectedly, the BH4 contents in the Qdpr (/) mice were not decreased and even increased in some tissues, whereas those of the oxidized form dihydrobiopterin (BH2) were significantly increased. We demonstrated that unlike the wild-type mice, dihydrofolate reductase regenerated BH4 from BH2 in the mutants. Furthermore, we revealed wide alterations in folate-associated metabolism in the Qdpr (/) mice, which suggests an interconnection between folate and biopterin metabolism in the transgenic mouse model. (C) 2014 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved., Nov. 2014, 588, 21, 3924, 3931, Scientific journal, 10.1016/j.febslet.2014.09.004
Refereed, PHOTOCHEMISTRY AND PHOTOBIOLOGY, WILEY-BLACKWELL, Possible Involvement of a Tetrahydrobiopterin in Photoreception for UV-B-induced Anthocyanin Synthesis in Carrot, Junko Takeda; Rieko Nakata; Hiroshi Ueno; Akio Murakami; Mineo Iseki; Masakatsu Watanabe, Our previous studies of action spectra for UV-B-induced anthocyanin accumulation in cultured carrot cells indicated that a reduced form of pterin, possibly tetrahydrobiopterin, contributes to UV-B photoreception. In this report, we provide additional evidence for the involvement of pterin in UV-B light sensing. UV-B-induced phenylalanine ammonia-lyase (PAL) activity was considerably suppressed by N-acetylserotonin (an inhibitor of tetrahydrobiopterin biosynthesis), and this suppression was partially recovered by adding biopterin or tetrahydrobiobiopterin. In addition, protein(s) specifically bound to biopterin were detected by radiolabeling experiments in N-acetylserotonin-treated cells. Furthermore, diphenyleneiodonium, a potent inhibitor of electron transfer, completely suppressed UV-B-induced PAL activity. These results suggest the occurrence of an unidentified UV-B photoreceptor (other than UVR8, the tryptophan-based UV-B sensor originally identified in Arabidopsis) with reduced pterin in carrot cells. After reexamining published action spectra, we suggest that anthocyanin synthesis is coordinately regulated by these two UV-B sensors., Sep. 2014, 90, 5, 1043, 1049, Scientific journal, 10.1111/php.12302
Refereed, LEUKEMIA & LYMPHOMA, INFORMA HEALTHCARE, Plasma homocysteine, methionine and S-adenosylhomocysteine levels following high-dose methotrexate treatment in pediatric patients with acute lymphoblastic leukemia or Burkitt lymphoma: association with hepatotoxicity, Masaru Kubota; Rieko Nakata; Souichi Adachi; Ken-Ichiro Watanabe; Toshio Heike; Yasufumi Takeshita; Midori Shima, This study aimed to investigate: (i) changes of plasma homocysteine, methionine and S-adenosylhomocysteine levels following high-dose methotrexate (HD-MTX) treatment and (ii) the correlation of these sulfur-containing amino acids with MTX-induced hepatotoxicity. Fifteen pediatric patients with acute lymphoblastic leukemia and one patient with Burkitt lymphoma, with a total of 26 treatment courses of HD-MTX, were enrolled. Homocysteine levels increased at 24 h after HD-MTX treatment, and showed marginal decreases at 48 and 72 h. Methionine levels showed a biphasic pattern, i. e. an initial decrease at 24 h followed by increases at 48 and 72 h. S-adenosylhomocysteine exhibited a marginal decrease at 24 h. Changes of homocysteine exhibited significant correlation only with a maximum increase of alanine aminotransferase or total bilirubin from baseline. This study has demonstrated, for the first time, simultaneous changes of plasma homocysteine, methionine and S-adenosylhomocysteine following HD-MTX. The potential of homocysteine as a marker of hepatotoxicity is also presented., Jul. 2014, 55, 7, 1591, 1595, Scientific journal, 10.3109/10428194.2013.850684
Not Refereed, AMERICAN JOURNAL OF PHYSIOLOGY-ENDOCRINOLOGY AND METABOLISM, AMER PHYSIOLOGICAL SOC, Role of AMPK and PPAR gamma 1 in exercise-induced lipoprotein lipase in skeletal muscle, Takashi Sasaki; Rieko Nakata; Hiroyasu Inoue; Makoto Shimizu; Jun Inoue; Ryuichiro Sato, Exercise can effectively ameliorate type 2 diabetes and insulin resistance. Here we show that the mRNA levels of one of peroxisome proliferator-activated receptor (PPAR) family members, PPAR gamma 1, and genes related to energy metabolism, including PPAR gamma coactivator-1 protein-1 alpha (PGC-1 alpha) and lipoprotein lipase (LPL), increased in the gastrocnemius muscle of habitual exercise-trained mice. When mice were intraperitoneally administered an AMP-activated protein kinase (AMPK) activator 5-aminoimidazole-4-carboxamide ribonucleoside (AICAR), the mRNA levels of the aforementioned three genes increased in gastrocnemius muscle. AICAR treatment to C2C12 differentiated myotubes also increased PPAR gamma 1 mRNA levels, but not PPAR alpha and -delta mRNA levels, concomitant with increased PGC-1 alpha mRNA levels. An AMPK inhibitor, compound C, blocked these AICAR effects. AICAR treatment increased the half-life of PPAR gamma 1 mRNA nearly threefold (4-12 h) by activating AMPK. When C2C12 myoblast cells infected with a PPAR gamma 1 expression lentivirus were differentiated into myotubes, PPAR gamma 1 overexpression dramatically increased LPL mRNA levels more than 40-fold. In contrast, when PPAR gamma 1 expression was suppressed in C2C12 myotubes, LPL mRNA levels were significantly reduced, and the effect of AICAR on increased LPL gene expression was almost completely blocked. These results indicated that PPAR gamma was intimately involved in LPL gene expression in skeletal muscle and the AMPK-PPAR gamma 1 pathway may play a role in exercise-induced LPL expression. Thus, we identified a novel critical role for PPAR gamma 1 in response to AMPK activation for controlling the expression of a subset of genes associated with metabolic regulation in skeletal muscle., May 2014, 306, 9, E1085, E1092, Scientific journal, 10.1152/ajpendo.00691.2013
Refereed, Curr Nutr Rep, Resveratrol and Cardiovascular Disease, NAKATA Rieko; Nakata R; Inoue H, 2014, 3, 163, 169
Not Refereed, British Journal of Nutrition, Up-regulation of endothelial nitric oxide synthase (eNOS), silent mating type information regulation 2 homologue 1 (SIRT1) and autophagy-related genes by repeated treatments with resveratrol in human umbilical vein endothelial cells, Yoshie Takizawa; Yukiko Kosuge; Hiroyo Awaji; Emi Tamura; Ayako Takai; Takaaki Yanai; Reiko Yamamoto; Koichi Kokame; Toshiyuki Miyata; Rieko Nakata; Hiroyasu Inoue, Resveratrol, a polyphenolic phytoalexin found in red wine and various plants, has been reported to up-regulate the expression of endothelial NO synthase (eNOS) in human umbilical vein endothelial cells (HUVEC). However, this effect was neither long term in nature nor physiologically relevant at the concentration of resveratrol studied. In the present study, we investigated the effects of repeated treatments with a lower concentration of resveratrol on the expression of genes in HUVEC. The expression levels of eNOS and silent mating type information regulation 2 homologue 1 (SIRT1) were up-regulated in HUVEC by repeated treatments with 1 μm-resveratrol for 6 d, but not with fenofibrate. Moreover, resveratrol treatment increased the expression of autophagy-regulated genes such as γ-aminobutyric acid A receptor-associated protein (GABARAP), microtubule-associated protein 1 light chain 3B (LC3B) and autophagy-related protein 3 (ATG3), the radical scavenger activity-related metallothionein-1X (MT1X) gene and the anti-inflammatory activity-related annexin A2 (ANXA) gene. In addition, resveratrol treatment down-regulated the expression of the cell-cycle checkpoint control RAD9 homologue B (RAD9B) gene. These results indicate the beneficial effects of resveratrol on the cardiovascular system. © The Authors 2013., 28 Dec. 2013, 110, 12, 2150, 2155, Scientific journal, 10.1017/S0007114513001670
Not Refereed, JOURNAL OF LIPID RESEARCH, AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC, DHA attenuates postprandial hyperlipidemia via activating PPAR alpha in intestinal epithelial cells, Rino Kimura; Nobuyuki Takahashi; Shan Lin; Tsuyoshi Goto; Kaeko Murota; Rieko Nakata; Hiroyasu Inoue; Teruo Kawada, It is known that peroxisome proliferator-activated receptor (PPAR)alpha, whose activation reduces hyperlipidemia, is highly expressed in intestinal epithelial cells. Docosahexaenoic acid (DHA) could improve postprandial hyperlipidemia, however, its relationship with intestinal PPAR alpha activation is not revealed. In this study, we investigated whether DHA can affect postprandial hyperlipidemia by activating intestinal PPAR alpha using Caco-2 cells and C57BL/6 mice. The genes involved in fatty acid (FA) oxidation and oxygen consumption rate were increased, and the secretion of triacylglyceride (TG) and apolipoprotein B (apoB) was decreased in DHA-treated Caco-2 cells. Additionally, intestinal FA oxidation was induced, and TG and apoB secretion from intestinal epithelial cells was reduced, resulting in the attenuation of plasma TG and apoB levels after oral administration of olive oil in DHA-rich oil-fed mice compared with controls. However, no increase in genes involved in FA oxidation was observed in the liver. Furthermore, the effects of DHA on intestinal lipid secretion and postprandial hyperlipidemia were abolished in PPAR alpha knockout mice. In conclusion, the present work suggests that DHA can inhibit the secretion of TG from intestinal epithelial cells via PPAR alpha activation, which attenuates postprandial hyperlipidemia., Dec. 2013, 54, 12, 3258, 3268, Scientific journal, 10.1194/jlr.M034942
Not Refereed, FEBS LETTERS, ELSEVIER SCIENCE BV, Secretion of miraculin through the function of a signal peptide conserved in the Kunitz-type soybean trypsin inhibitor family, Ayako Takai; Makiko Satoh; Tomomi Matsuyama; Akane Ito; Rieko Nakata; Takashi Aoyama; Hiroyasu Inoue, Miraculin, a glycoprotein that modifies sour tastes into sweet ones, belongs to the Kunitz-type soybean trypsin inhibitor (STI) family. To clarify the functional relation of miraculin with Kunitz-type STIs, we investigated its subcellular localization and trypsin inhibitory activity. In transgenic Arabidopsis thaliana, miraculin, fused to yellow fluorescent protein, localized to and outside the plasma membrane depending on the putative secretion signal peptide. When transgenic seedlings were cultured in liquid medium, miraculin was present in the supernatant only after cellulase treatment. No trypsin inhibitory activity was detected in native or recombinant miraculin. In conclusion, miraculin is secreted outside the plasma membrane through the function of a signal peptide, conserved in Kunitz-type STIs, whereas its trypsin inhibitory activity may be lost during its evolution. (C) 2013 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved., Jun. 2013, 587, 12, 1767, 1772, Scientific journal, 10.1016/j.febslet.2013.04.026
Not Refereed, Food Science and Technology Research, Evaluation of food-derived functional ingredients according to activation of PPAR and suppression of COX-2 expression, Rieko Nakata; Yoshie Takizawa; Ayako Takai; Hiroyasu Inoue, The peroxisome proliferator-activated receptors (PPARs) are ligand-dependent transcription factors belonging to the nuclear receptor family. They are considered molecular targets for the prevention of lifestyle-related diseases and are involved in the control of cyclooxygenase (COX)-2 expression. COX-2, the rate-limiting enzyme in prostaglandin biosynthesis, plays a key role in inflammation and circulatory homeostasis, and its expression is partly controlled by PPAR. We have identified several natural chemicals, such as resveratrol, that activate PPARs and suppress COX-2 expression. In this review, we provide an evaluation of food-derived functional ingredients that target PPARs and COX-2., 2013, 19, 3, 339, 345, 10.3136/fstr.19.339
Not Refereed, 日本栄養士会雑誌, レスベラトロール研究の現状, 中田 理恵子; 中田理恵子; 井上裕康, 2013, 56, 544, 546
Not Refereed, JOURNAL OF FOOD SCIENCE, WILEY-BLACKWELL, The Beneficial Effect of Folate-Enriched Egg on the Folate and Homocysteine Levels in Rats Fed a Folate- and Choline-Deficient Diet, Ayami Sugiyama; Hiroyo Awaji; Kenji Horie; Mujo Kim; Rieko Nakata, We investigated the effects of folate-enriched egg yolk powder on folate and homocysteine levels in plasma and liver of rats fed the folate- and choline-deficient diet to determine bioavailability in vivo. Three-wk-old Wistar rats were fed (1) the pteroylglutamate (PteGlu), (2) the choline, (3) the PteGlu and choline, (4) the folate-enriched egg yolk powder diet for 4 wk after having been fed the folate-and choline-deficient diet. The hepatic folate level in the folate-enriched egg yolk powder group was significantly higher than that in the folate-and choline-deficient or the control groups. The homocysteine concentration in plasma and liver of the folate-enriched egg yolk powder group was significantly lower than that of the folate-and choline-deficient or the PteGlu groups. The S-adenosyl-methionine (SAM)/S-adenosyl-homocysteine (SAH) ratio in the folate-enriched egg yolk powder group was significantly higher than that in the folate-and choline-deficient group. These effects were similar in the PteGlu and choline, but not the PteGlu or the choline groups. These data suggest that the intake of folate-enriched eggs, as well as of both folate and choline, induced the beneficial effects on folate and homocysteine metabolism. Thus, folate-enriched eggs could be used as beneficial source of folate with a high bioavailability., Dec. 2012, 77, 12, H268, H272, Scientific journal, 10.1111/j.1750-3841.2012.02997.x
Not Refereed, BIOLOGICAL & PHARMACEUTICAL BULLETIN, PHARMACEUTICAL SOC JAPAN, Recent Advances in the Study on Resveratrol, Rieko Nakata; Satoru Takahashi; Hiroyasu Inoue, Appropriate long-term drinking of red wine is associated with a reduced risk for lifestyle-related diseases such as cardiovascular disease and cancer, making resveratrol, a constituent of grapes and various other plants, an attractive compound to be studied. Historically, resveratrol has been identified as a phytoalexin, antioxidant, cyclooxygenase (COX) inhibitor, peroxisome proliferator-activated receptor (PPAR) activator, endothelial nitric oxide synthase (eNOS) inducer, silent mating type information regulation 2 homolog I (SIRT1) activator, and more. Despite scepticism concerning the biological availability of resveratrol, a growing body of in viva evidence indicates that resveratrol has protective effects in several stress and disease models. Here, we provide a review of the studies on resveratrol, especially with respect to COX, PPAR, and eNOS activities, and discuss its potential for promoting human health., Mar. 2012, 35, 3, 273, 279, 10.1248/bpb.35.273
Not Refereed, AMERICAN JOURNAL OF PHYSIOLOGY-ENDOCRINOLOGY AND METABOLISM, AMER PHYSIOLOGICAL SOC, Farnesol, an isoprenoid, improves metabolic abnormalities in mice via both PPAR alpha-dependent and -independent pathways, Tsuyoshi Goto; Young-Il Kim; Kozue Funakoshi; Aki Teraminami; Taku Uemura; Shizuka Hirai; Joo-Young Lee; Makoto Makishima; Rieko Nakata; Hiroyasu Inoue; Hiroyuki Senju; Masayoshi Matsunaga; Fumihiko Horio; Nobuyuki Takahashi; Teruo Kawada, Goto T, Kim YI, Funakoshi K, Teraminami A, Uemura T, Hirai S, Lee JY, Makishima M, Nakata R, Inoue H, Senju H, Matsunaga M, Horio F, Takahashi N, Kawada T. Farnesol, an isoprenoid, improves metabolic abnormalities in mice via both PPAR alpha-dependent and -independent pathways. Am J Physiol Endocrinol Metab 301: E1022-E1032, 2011. First published August 23, 2011; doi:10.1152/ajpendo.00061.2011.-Peroxisome proliferator-activated receptors (PPARs) control energy homeostasis. In this study, we showed that farnesol, a naturally occurring ligand of PPARs, could ameliorate metabolic diseases. Obese KK-Ay mice fed a high-fat diet (HFD) containing 0.5% farnesol showed significantly decreased serum glucose level, glucosuria incidence, and hepatic triglyceride contents. Farnesol-containing HFD upregulated the mRNA expressions of PPAR alpha target genes involved in fatty acid oxidation in the liver. On the other hand, farnesol was not effective in upregulating the mRNA expressions of PPAR gamma target genes in white adipose tissues. Experiments using PPAR alpha-deficient [(-/-)] mice revealed that the upregulation of fatty acid oxidation-related genes required PPAR alpha function, but the suppression of hepatic triglyceride accumulation was partially PPAR alpha dependent. In hepatocytes isolated from the wild-type and PPAR alpha (-/-) mice, farnesol suppressed triglyceride synthesis. In luciferase assay, farnesol activated both PPAR alpha and the farnesoid X receptor (FXR) at similar concentrations. Moreover, farnesol increased the mRNA expression level of a small heterodimer partner known as one of the FXR target genes and decreased those of sterol regulatory element-binding protein-1c and fatty acid synthase in both the wildtype and PPAR alpha (-/-) hepatocytes. These findings suggest that farnesol could improve metabolic abnormalities in mice via both PPAR alpha-dependent and -independent pathways and that the activation of FXR by farnesol might contribute partially to the PPAR alpha-independent hepatic triglyceride content-lowering effect. To our knowledge, this is the first study on the effect of the dual activators of PPAR alpha and FXR on obesity-induced metabolic disorders., Nov. 2011, 301, 5, E1022, E1032, Scientific journal, 10.1152/ajpendo.00061.2011
Not Refereed, BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY, TAYLOR & FRANCIS LTD, Citronellol and Geraniol, Components of Rose Oil, Activate Peroxisome Proliferator-Activated Receptor alpha and gamma and Suppress Cyclooxygenase-2 Expression, Michiko Katsukawa; Rieko Nakata; Satomi Koeji; Kazuyuki Hori; Saori Takahashi; Hiroyasu Inoue, We evaluated the effects of rose oil on the peroxisome proliferator-activated receptor (PPAR) and cyclooxygenase-2 (COX-2). Citronellol and geraniol, the major components of rose oil, activated PPAR alpha and gamma, and suppressed LPS-induced COX-2 expression in cell culture assays, although the PPAR gamma-dependent suppression of COX-2 promoter activity was evident only with citronellol, indicating that citronellol and geraniol were the active components of rose oil., May 2011, 75, 5, 1010, 1012, Scientific journal, 10.1271/bbb.110039
Not Refereed, APPETITE, ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, Skipping breakfast is associated with reproductive dysfunction in post-adolescent female college students, Tomoko Fujiwara; Rieko Nakata, Although increasing attention has been paid to the adverse effects of skipping breakfast on quality of life, there are very few reports concerning the relationship between skipping breakfast and reproductive function. Therefore, we examined this issue by conducting a questionnaire survey of female college students aged from 18 to 20 years old. The 5 annual surveys of questionnaire demonstrated that the severity of dysmenorrhea was significantly higher in the population that skipped breakfast. The incidence of irregular menses was also higher in the population that skipped breakfast, although there was no difference in the incidence of premenstrual symptoms. The group that skipped breakfast showed a tendency to suffer from constipation. In addition, despite no difference in body mass index, there was a significantly higher incidence of a self-perception of poor general health among the group that skipped breakfast. These findings suggest that skipping breakfast is associated with menstrual disorders, and affects the physical condition of female college students who are undergoing post-adolescent maturation. Since these menstrual disorders may influence the quality of life of young women not only in the present but also in the future, skipping breakfast should be re-evaluated from the perspective of future reproductive function. (C) 2010 Elsevier Ltd. All rights reserved., Dec. 2010, 55, 3, 714, 717, Scientific journal, 10.1016/j.appet.2010.08.005
Not Refereed, BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR AND CELL BIOLOGY OF LIPIDS, ELSEVIER SCIENCE BV, Citral, a component of lemongrass oil, activates PPAR alpha and gamma and suppresses COX-2 expression, Michiko Katsukawa; Rieko Nakata; Yoshie Takizawa; Kazuyuki Hori; Saori Takahashi; Hiroyasu Inoue, Lemongrass is a widely used herb as a food flavoring, as a perfume, and for its analgesic and anti-inflammatory purposes; however, the molecular mechanisms of these effects have not been elucidated. Previously, we identified carvacrol from the essential oil of thyme as a suppressor of cyclooxygenase (COX)-2, a key enzyme for prostaglandin synthesis, and also an activator of peroxisome proliferator-activated receptor (PPAR), a molecular target for "lifestyle-related" diseases. In this study, we evaluated the essential oil of lemongrass using our established assays for COX-2 and PPARs. We found that COX-2 promoter activity was suppressed by lemongrass oil in cell-based transfection assays, and we identified citral as a major component in the suppression of COX-2 expression and as an activator of PPAR alpha and gamma. PPAR gamma-dependent suppression of COX-2 promoter activity was observed in response to citral treatment In human macrophage-like U937 cells, citral suppressed both U'S-induced COX-2 mRNA and protein expression, dose-dependently. Moreover, citral induced the mRNA expression of the PPAR alpha-responsive carnitine palmitoyltransferase 1 gene and the PPAR gamma-responsive fatty acid binding protein 4 gene, suggesting that citral activates PPAR alpha and gamma, and regulates COX-2 expression. These results are important for understanding the anti-inflammatory and anti-lifestyle-related disease properties of lemongrass. (C) 2010 Elsevier B.V. All rights reserved., Nov. 2010, 1801, 11, 1214, 1220, Scientific journal, 10.1016/j.bbalip.2010.07.004
Not Refereed, NUTRITION & METABOLISM, BIOMED CENTRAL LTD, Vaticanol C, a resveratrol tetramer, activates PPAR alpha and PPAR beta/delta in vitro and in vivo, Tomoko Tsukamoto; Rieko Nakata; Emi Tamura; Yukiko Kosuge; Aya Kariya; Michiko Katsukawa; Satoshi Mishima; Tetsuro Ito; Munekazu Iinuma; Yukihiro Akao; Yoshinori Nozawa; Yuji Arai; Shobu Namura; Hiroyasu Inoue, Background: Appropriate long-term drinking of red wine is associated with a reduced risk of cardiovascular disease. Resveratrol, a well-known SIRT1 activator is considered to be one of the beneficial components contained in red wine, and also developed as a drug candidate. We previously demonstrated that resveratrol protects brain against ischemic stroke in mice through a PPAR alpha-dependent mechanism. Here we report the different effects of the oligomers of resveratrol.
Methods: We evaluated the activation of PPARs by epsilon-viniferin, a resveratrol dimer, and vaticanol C, a resveratrol tetramer, in cell-based reporter assays using bovine arterial endothelial cells, as well as the activation of SIRT1. Moreover, we tested the metabolic action by administering vaticanol C with the high fat diet to wild-type and PPAR alpha-knockout male mice for eight weeks.
Results: We show that vaticanol C activates PPAR alpha and PPAR beta/delta in cell-based reporter assays, but does not activate SIRT1. epsilon-Viniferin shows a similar radical scavenging activity as resveratrol, but neither effects on PPARs and SIRT-1. Eight-week intake of vaticanol C with a high fat diet upregulates hepatic expression of PPAR alpha-responsive genes such as cyp4a10, cyp4a14 and FABP1, and skeletal muscle expression of PPAR beta/delta-responsive genes, such as UCP3 and PDK4 ( pyruvate dehydrogenase kinase, isoform 4), in wild-type, but not PPAR alpha-knockout mice.
Conclusion: Vaticanol C, a resveratrol tetramer, activated PPAR alpha and PPAR beta/delta in vitro and in vivo. These findings indicate that activation of PPAR alpha and PPAR beta/delta by vaticanol C may be a novel mechanism, affording beneficial effects against lifestyle-related diseases., May 2010, 7, 46, Scientific journal, 10.1186/1743-7075-7-46
Not Refereed, JOURNAL OF LIPID RESEARCH, AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC, Carvacrol, a component of thyme oil, activates PPAR alpha and gamma and suppresses COX-2 expression, Mariko Hotta; Rieko Nakata; Michiko Katsukawa; Kazuyuki Hori; Saori Takahashi; Hiroyasu Inoue, Cyclooxygenase-2 (COX-2), the rate-limiting enzyme in prostaglandin biosynthesis, plays a key role in inflammation and circulatory homeostasis. Peroxisome proliferator-activated receptors (PPARs) are ligand-dependent transcription factors belonging to the nuclear receptor superfamily and are involved in the control of COX-2 expression, and vice versa. Here, we show that COX-2 promoter activity was suppressed by essential oils derived from thyme, clove, rose, eucalyptus, fennel, and bergamot in cell-based transfection assays using bovine arterial endothelial cells. Moreover, from thyme oil, we identified carvacrol as a major component of the suppressor of COX-2 expression and an activator of PPAR alpha and gamma. PPAR gamma-dependent suppression of COX-2 promoter activity was observed in response to carvacrol treatment. In human macrophage-like U937 cells, carvacrol suppressed lipopolysaccharide-induced COX-2 mRNA and protein expression, suggesting that carvacrol regulates COX-2 expression through its agonistic effect on PPAR alpha. These results may be important in understanding the antiinflammatory and antilifestyle-related disease properties of carvacrol.-Hotta, M., R. Nakata, M. Katsukawa, K. Hori, S. Takahashi, and H. Inoue. Carvacrol, a component of thyme oil, activates PPAR alpha and gamma and suppresses COX-2 expression. J. Lipid Res. 2010. 51: 132-139., Jan. 2010, 51, 1, 132, 139, Scientific journal, 10.1194/jlr.M900255-JLR200
Not Refereed, 日本味と匂学会誌, 特殊なPPAR活性化能を示す香辛料シナモンバーグ精油, 中田 理恵子; 勝川路子; 中田理恵子; 滝澤祥恵; 井上裕康, 2010, 17, 203, 206
Not Refereed, JOURNAL OF BIOCHEMISTRY, OXFORD UNIV PRESS, Functional Expression of Miraculin, a Taste-Modifying Protein in Escherichia Coli, Tomomi Matsuyama; Makiko Satoh; Rieko Nakata; Takashi Aoyama; Hiroyasu Inoue, Miraculin isolated from red berries of Richadella dulcifica, a native shrub of West Africa, has the unusual property of modifying a sour taste into a sweet one. This homodimer protein consists of two glycosylated polypeptides that are cross-linked by a disulfide bond. Recently, functional expression of miraculin was reported in host cells with the ability to glycosylate proteins, such as lettuce, tomato and the microbe Aspergillus oryzae, but not Escherichia coli. Thus, a question remains as to whether glycosylation of miraculin is essential for its taste-modifying properties. Here we show that recombinant miraculin expressed in E. coli has taste-modifying properties as a homodimer, not as a monomer, indicating that glycosylation is not essential for the taste-modifying property., Apr. 2009, 145, 4, 445, 450, Scientific journal, 10.1093/jb/mvn184
Not Refereed, INTERNATIONAL JOURNAL OF FOOD SCIENCES AND NUTRITION, TAYLOR & FRANCIS LTD, Skipping breakfast adversely affects menstrual disorders in young college students, Tomoko Fujiwara; Natsuyo Sato; Hiroyo Awaji; Hiroko Sakamoto; Rieko Nakata, In the present study we conducted a questionnaire survey to examine the relationship between dietary habits and menstrual disorders in young women. Subjects were recruited from 315 college students and were classified as: Group I, eating breakfast; Group II, skipping breakfast; Group III, not eating fast foods; Group IV, eating fast foods; Group V, not eating processed foods; and Group VI, eating processed foods. The intensity of dysmenorrhea was scored using three grades. All participants were further divided into groups based on having regular or irregular menstruation, having premenstrual symptoms or not, and self-perception of good or poor general health. General health was poor in Groups II and VI, and dysmenorrhea scores were high in Groups II, IV and VI. The incidence of irregular menses was also high in Group II. However, there was no apparent relation between premenstrual symptoms and dietary habits. These findings suggest that skipping breakfast adversely affects menstrual disorders in young college students., 2009, 60, S6, 23, 31, Scientific journal, 10.1080/09637480802260998
Not Refereed, 日本味と匂学会誌, シロイヌナズナにおけるミラクリンーYFP融合タンパク質の発現系, 中田 理恵子; 佐藤麻紀子; 中田理恵子; 青山卓史; 井上裕康, 2009, 16, 293, 294
Not Refereed, 日本味と匂学会誌, COX-2発現抑制とPPAR活性化を指標とした香辛料成分の機能性評価, 中田 理恵子; 勝川路子; 中田理恵子; 井上裕康, 2009, 16, 683, 686
Not Refereed, Journal of Home Economics of Japan, The Japan Society of Home Economics, Evaluation of Plant Oils by Their Suppressive Effects on the Expression of Cyclooxygenase-2, HOTTA Mariko; NAKATA Rieko; INOUE Hiroyasu, Cyclooxygenase-2 (COX-2), a rate-limiting enzyme for prostaglandins (PG), is widely accepted as a target for non-steroidal anti-inflammatory drugs (NSAIDs). Recent studies have shown that COX-2 was involved not only in inflammation, but also in tumorigenesis and lifestyle-related diseases. We have been investigating the regulation of the COX-2 gene, and found that several chemicals derived from plants such as resveratrol (grapes) suppressed COX-2 gene expression. In this present study, 21 plant oils were evaluated for their suppressive effect on COX-2 gene expression by using a transient transfection assay of the luciferase reporter vector containing the human COX-2 promoter into arterial endothelial cells. We found that the COX-2 promoter activity was suppressed by origanum (65%), clove (40%), rose (30%), eucalyptus (25%), fennel (22%) and bergamot oils (21%) in descending order, suggesting that these oils function as suppressors of COX-2 gene expression, and that this assay system would be useful to identify novel functional components in food materials., 2008, 59, 6, 373, 378, 10.11428/jhej.59.373
Not Refereed, 日本味と匂学会誌, シロイヌナズナを用いた組換えミラクリンの発現と大腸菌を用いた組換え体との比較, 中田 理恵子; 佐藤麻紀子; 松山友美; 中田理恵子; 青山卓史; 井上裕康, 2008, 15, 3, 517, 520
Not Refereed, The Open Medical Informatics Journal, Young Japanese college students with dysmenorrheal have high frequency of irregular menstruation and premenstryal symptoms., NAKATA Rieko; Fujiwara T; Nakata R, 2007, 1, 8, 11
Not Refereed, The Open Food Science Journal, Adverse effects of dietary habits on menstrual disorders in young women., NAKATA Rieko; Fujiwara T; Sato N; Awaji H; Nakata R, 2007, 1, 24, 30
Not Refereed, NUTRITION RESEARCH, PERGAMON-ELSEVIER SCIENCE LTD, Betaine supplementation suppresses plasma homocysteine level elevation induced by folate deficiency in rats, Masako Yagisawa; Yuko Doi; Terumi Uenohara; Maiko Toda; Norihiro Shigematsu; Rieko Nakata, The effects of betaine on the plasma homocysteine concentration were investigated in partially folate deficient rats. The rats were fed a test diet containing folic acid at a dose of 8 (control) or 0.5 (low folate) mg/kg. After a 4-week feeding, the plasma homocysteine concentration in the low-folate group increased to 1.6-fold that in the control group. Betaine supplementation (30 g/kg diet) significantly suppressed the plasma homocysteine level elevation and led to an upward trend in liver betaine-homocysteine methyltransferase (BHMT) activity, whereas no change was observed with supplementation with choline (10 g/kg diet), a precursor of betaine. The results of this study suggest that betaine suppresses the plasma homocysteine level elevation induced by low folate intake, and the suppression is associated with the metabolic pathway driven by BHMT. (c) 2006 Elsevier Inc. All rights reserved., Jun. 2006, 26, 6, 266, 270, Scientific journal, 10.1016/j.nutres.2006.05.011
Not Refereed, JOURNAL OF NUTRITIONAL SCIENCE AND VITAMINOLOGY, CENTER ACADEMIC PUBL JAPAN, Effects of chronic betaine ingestion on methionine-loading induced plasma homocysteine elevation in rats, Masako Yagisawa; Norihiro Shigematsu; Rieko Nakata, The effects of chronic betaine ingestion were investigated in rats. Rats were fed an experimental diet containing 5% bctaine for 4wk and methionine was intravenously administered. The elevations of plasma homocysteine were assessed by comparing the increments to the initial measured value and the positive incremental area under the plasma homocysteine concentration curve over the 240-min post-methionine-loading period (Delta AUC(0-240)). In the betaine-ingesting rats, Delta AUC(0-240) was significantly lower than in the control group (48% of the control), and the increments of plasma homocysteine were also lower compared with the control, especially 15-30 min after methionine loading. Choline, a precursor of betaine, did not alter the plasma homocysteme elevation. In a definite period immediately after methionine loading, carnitine, a methyl-group-rich amino acid, induced a significant increase of plasma homocysteme, compared to the control. Moreover, plasma homocysteine concentration was significantly decreased by 4 wk of betaine ingestion. Betaine enhanced liver BHMT activity whereas choline and carnitine did not show any effects on BHMT activity. These results suggest that betaine contributes to both the decrease in the plasma homocysteine concentration and the suppression of plasma homocysteine elevation through the activation of liver BHMT., Jun. 2006, 52, 3, 194, 199, Scientific journal, 10.3177/jnsv.52.194
Not Refereed, Current Trends in Endocrinology, Assessment of human regular menstrual cycle., NAKATA Rieko; Fujiwara T; Nakata R, 2006, 2, 59, 64
Not Refereed, Current Trends in Endocrinology, The influence of food intake on female reproductive function in young women., NAKATA Rieko; Fujiwara T; Nakata R; Fujiwara H, 2005, 1, 137, 143
Not Refereed, JOURNAL OF NUTRITIONAL BIOCHEMISTRY, ELSEVIER SCIENCE INC, Effects of intravenous betaine on methionine-loading-induced plasma homocysteine elevation in rats, M Yagisawa; N Okawa; N Shigematsu; R Nakata, An intravenous methionine-loading model was characterized, and the suppressive effect of betaine on plasma homocysteine elevation induced by methionine loading was examined in rats. The plasma homocysteine concentrations significantly increased 5-120 minutes after 0.34 mmol/kg of methionine loading and then returned to the baseline within 240 minutes. Betaine was then intravenously administered at the same time as the methionine loading. The total increment of plasma homocysteine was assessed using the positive incremental area under the plasma homocysteine concentration curve over the 240-minute post-methionine-loading period (DeltaAUC(0-240)).
Betaine reduced DeltaAUC(0-240) dose-dependently: 81% of the control by 1.7 mmol/kg of betaine and 33% by 3.4 mmol/kg. The effects of glycine and methylglycine, analogues of betaine, were also investigated. As observed for betaine, methylglycine decreased DeltaAUC(0-240) to 44% of the control, whereas glycine showed no significant effect on DeltaAUC(0-240), indicating that methyl groups of betaine and dimethylglycine were necessary to suppress plasma homocysteine elevation. These results suggest that betaine contributes to the suppression of plasma homocysteine elevation by promoting homocysteine metabolism, and seems to work as a methyl donor. (C) 2004 Elsevier Inc. All rights reserved., Nov. 2004, 15, 11, 666, 671, Scientific journal, 10.1016/j.jnutbio.2004.05.004
Not Refereed, Reproductive Medicine and Biology, John Wiley and Sons Ltd, Current problems of food intake in young women in Japan: Their influence on female reproductive function, Tomoko Fujiwara; Rieko Nakata, Accumulating evidence suggests that food customs are associated with quality of life in women of the reproductive age. In Japan, dietary limitation for cosmetic purposes, skipping food intake, intake of processed foods and the shift from Japanese to Westernized style food have increased among young women. These changes in food habits can cause inadequate intake of calories, micronutrients, unsaturated fat, phytestrogens and fiber as well as increasing environmental toxins. Furthermore, these food habits increase risk as a result of intake of food additives, anti-oxidants, processing agents and sweeteners, which have been demonstrated to be harmful to human health. These factors are speculated to not only influence the present lifestyle, but also to induce gynecologic disorders such as dysmenorrhea and irregular menstruation. The adverse effects of these dietary habits on pregnancy outcome and carcinogenesis of breast and ovarian cancers have also been demonstrated. In addition, latent development of organic diseases such as endometriosis, which are accompanied by dysmenorrhea, is a concern under the current nutritional environment in young women. Thus, it is an urgent issue to evaluate the present situation of eating habits in young Japanese women and estimate the influence of these habits on the quality of life including reproductive functions., 2004, 3, 3, 107, 114, 10.1111/j.1447-0578.2004.00063.x
Not Refereed, Current Topics in Biochemical Research, Regulation on reproductive functions by membrane-bound cell surface peptidases., NAKATA Rieko; Fujiwara H; Nakata R; Fujiwara T; Ueda M; Maeda M, 2004, 6, 1, 13
Not Refereed, 家政学研究, 「中国・新彊ウイグル自治区の女性と生活-その3 平成12(2002)年度 少数民族に関する生活調査-」, 中田 理恵子; 岩崎雅美他, 2002, 48, 1, 57, 76
Not Refereed, BIOCHEMICAL PHARMACOLOGY, PERGAMON-ELSEVIER SCIENCE LTD, Change in caspase-3-like protease in the liver and plasma during rat liver regeneration following partial hepatectomy, S Hayami; M Yaita; Y Ogiri; F Sun; R Nakata; S Kojo, Recent studies have shown that many factors orchestrate liver regeneration after a two-thirds partial hepatectomy (PH). However, the termination mechanism in liver regeneration has not been thoroughly studied. In this paper, we report that the activity of liver caspase-3-like protease, which is specifically activated in apoptosis, increases 18, 36, and 48 hr after PH during maximal hepatocyte proliferative activity. This is the first study that shows the activation of an apoptosis-executing enzyme during physiological liver regeneration. These results suggest that apoptosis is induced in each surge of DNA synthesis as the termination mechanism. When phenoxybenzamine, an alpha -blocker that has been reported to inhibit DNA synthesis during liver regeneration, was injected 8 hr after PH, the caspase-3-like activity in the liver peaked at 15 hr after PH and the enzyme activity also increased in plasma at 18 and 24 hr after PH in sharp contrast to the case of normal regeneration. These results indicate that extensive apoptosis is caused by phenoxybenzamine and that the secondary necrosis of apoptotic cells results in the increase of caspase-3-like protease activity in the plasma. BIOCHEM PHARMACOL 60;12:1883-1886, 2000. (C) 2000 Elsevier Science Inc., Dec. 2000, 60, 12, 1883, 1886, Scientific journal, 10.1016/S0006-2952(00)00508-6
Not Refereed, JOURNAL OF NUTRITIONAL SCIENCE AND VITAMINOLOGY, CENTER ACADEMIC PUBL JAPAN, Determination of folate derivatives in rat tissues during folate deficiency, R Nakata, A method for the sensitive and specific determination of folate derivatives was developed. The method involves hydrolysis by gamma -glutamyl hydrolase and high-performance liquid chromatography with electrochemical detection. The method was applied to measure the change in the level of folate derivatives in the liver, kidney, spleen and brain of rats during folate deficiency. 5,6,7,8-Tetrahydrofolic acid was the major folate derivative in the liver, kidney, spleen and brain. Total concentration of folate derivatives decreased from the second week of folate deficiency in the liver, kidney spleen and brain followed by anemia, which appeared at the fifth week. The level of 5,6,7,8-tetrahydrofolic acid in the brain did not change during folate deficiency, but it significantly decreased in the liver, kidney and spleen., Oct. 2000, 46, 5, 215, 221, Scientific journal, 10.3177/jnsv.46.215
Not Refereed, JOURNAL OF BIOCHEMISTRY, JAPANESE BIOCHEMICAL SOC, Facile degradation of apolipoprotein B by radical reactions and the presence of cleaved proteins in serum, K Tanaka; H Iguchi; S Taketani; R Nakata; S Tokumaru; T Sugimoto; S Kojo, A facile cleavage of peptide bonds of apolipoprotein B (apoB) by radical reaction is reported, When human LDL was subjected to oxidative damage using Cu2+, extensive degradation of apoB was observed based on immunoblotting, The degradation of apoB was inhibited by radical scavengers (beta-mercaptoethanol, butylated hydroxytoluene, and probucol) and promoted by a radical initiator [2,2'-azobis(2-amidinopropane)dihydrochloride], When human serum was treated with Cu2+, a similar cleavage pattern of apoB was observed. The cleaved apoB proteins were also detected in normal serum on the basis of immunoblots, These results suggest that apoB is highly reactive toward radicals in vitro and in vivo, with reaction resulting in the cleavage of peptide bonds., Jan. 1999, 125, 1, 173, 176, Scientific journal
Not Refereed, JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, AMER CHEMICAL SOC, Change ire the level of vitamin C and lipid peroxidation in tissues of the inherently scorbutic rat during ascorbate deficiency, S Tokumaru; S Takeshita; R Nakata; Tsukamoto, I; S Kojo, To investigate an accurate profile of vitamin C deficiency, ascorbate deficiency was caused in the inherently scorbutic rat [Osteogenic Disorder Shionogi (ODS)], and changes in the level of the vitamin in 12 tissues of the animals (plasma, liver, stomach, small and large intestines, lung, heart, kidney, adrenal gland, spleen, muscle, and brain) were followed based on the specific method (Kishida et al. Anal. Chem. 1992, 64, 1505-1507). The level of ascorbate in plasma decreased most rapidly, and the rate of decline of the vitamin was the slowest in the brain among the 12 tissues. Based on the kinetic profile of ascorbate decay, these tissues were classified into four groups. After 25 days of ascorbate deficiency, indicators of oxidative stress changed significantly compared with the control group. The indices included increased lipid hydroperoxide level determined by the specific method (Tokumaru et al. Anal. Chim. Acta 1995, 307, 97-102) in the brain, elevated thiobarbituric acid-reactive substances (TBARS) and glutathione peroxidase activity in the heart, and the fall of glutathione in plasma and the liver., Sep. 1996, 44, 9, 2748, 2753, Scientific journal, 10.1021/jf960184u
Not Refereed, Journal of home economics of Japan, 日本家政学会, Effects of Irregular Feeding under an 80% Energy Restricted Condition on the Growth and the Daily Energy Metabolism in Rats, Toyohara Masako; Ando Mami; Nakata Rieko; Miyoshi Masamitsu, Effects of irregular feeding on a 2 days cycle under an 80% energy restriction were examined on the growth rate, biochemical composition of liver and blood, and daily energy metabolism in 6-12 weeks old rats. The rats were divided into four groups which were fed an experimental diet for 38 days ad libitum (A) every day, 80% diet of group A every day (R80), 100 and 60% diets of group A on alternate days (R100-60), and 120 and 40% diets of group A on alternate days (R120-40), respectively. Body weight gain was significantly lower in group R120-40 than in the other groups. The weights of internal organs were lower in all the restricted groups than in group A. However, their weight ratios to whole body weight were not significantly different among all the groups. Differences in such daily energy metabolism as total energy expenditure per kg body weight were not significant between group A and group R80, which suggested that the rats in group R80 attained metabolic adaptation to the feeding conditions by diminishing their body size. On the other hand, the rats in group R120-40 changed total energy expenditure (TEE) and minimal energy expenditure (MEE) according to the amount of food ingested on alternate days. They maintained MEE on 120% diet days at a level comparable to that of the rats in group R80 and adapted the present irregular feeding conditions by decreasing total activity (TA). However, the decrease in TA brought about by irregular feeding over a long period of time is considered to be undesirable for health., 1995, 46, 9, 833, 840, 10.11428/jhej1987.46.833
Not Refereed, BIOCHEMISTRY AND MOLECULAR BIOLOGY INTERNATIONAL, ACADEMIC PRESS AUST, REGULATION OF THYMIDYLATE SYNTHASE IN REGENERATING RAT-LIVER AFTER PARTIAL-HEPATECTOMY, M WAKABAYASHI; R NAKATA; TSUKAMOTO, I, Sep. 1994, 34, 2, 345, 350, Scientific journal
Not Refereed, ビタミン, ラット肝再生に及ぼす葉酸の影響, 中田 理恵子, 1994, 68, 8, 445, 449, 10.20632/vso.68.8_445
Not Refereed, BIOCHEMISTRY AND MOLECULAR BIOLOGY INTERNATIONAL, ACADEMIC PRESS AUST, EFFECT OF AGING ON RAT-LIVER REGENERATION AFTER PARTIAL-HEPATECTOMY, TSUKAMOTO, I; R NAKATA; S KOJO, Jul. 1993, 30, 4, 773, 778, Scientific journal
Not Refereed, Eiyo To Shokuryo, Japan Society of Nutrition and Food Science, Circadian Changes in Physical and Physiological Capacity for Exercise., KATO Hideo; ISHIKURA Minako; OKA Michiko; MUNEMASA Kazumi; OKAMOTO Tsunemi; NAKATA Rieko; TAGUCHI Tomoko, Since various functions of the body have their own biorhythms adapted to the living environment, it is considered that the reactivity of physical locomotion may vary depending on the time of day when exercise is performed. In this study, in order to assess differences in locomotive capacity according to the time of day, 18 male high school baseball players were tested for physical strength in the morning (8: 00) and evening (18: 00). Furthermore, the time differences in endocrine and metabolic responses after physical exercise were assessed according to biorhythms. (1) Physical capacity changed according to the time of evaluation, and was greater in the evening than in the morning. (2) Among physiological functions that determine the development of physical strength, thyroid-stimulating hormone (TSH) and growth hormone glasma levels were higher after evening exercise than after morning exercise. (3) The increase in urinary excretion of 3-methylhistidine (degradation index of muscle protein) after exercise was smaller in the evening than in the morning. These findings suggest that evening exercise promotes the development of physical strength more than morning exercise., 1993, 46, 1, 33, 38, 10.4327/jsnfs.46.33
Not Refereed, BIOCHEMISTRY INTERNATIONAL, ACADEMIC PRESS AUST, EFFECT OF ENDOTOXIN ON RAT-LIVER REGENERATION AFTER PARTIAL-HEPATECTOMY, TSUKAMOTO, I; R NAKATA; S KOJO, Sep. 1992, 27, 6, 1047, 1050, Scientific journal
Not Refereed, BIOCHIMICA ET BIOPHYSICA ACTA, ELSEVIER SCIENCE BV, A NEW IMMUNOBLOTTING ASSAY FOR THYMIDYLATE SYNTHETASE AND ITS APPLICATION TO THE REGULATION OF ENZYME-ACTIVITY IN REGENERATING RAT-LIVER, TSUKAMOTO, I; R NAKATA; M MIYOSHI; S TAKETANI; S KOJO, Feb. 1988, 964, 2, 254, 259, Scientific journal
Not Refereed, BIOCHIMICA ET BIOPHYSICA ACTA, ELSEVIER SCIENCE BV, PURIFICATION AND CHARACTERIZATION OF THYMIDYLATE SYNTHETASE FROM RAT REGENERATING LIVER, R NAKATA; TSUKAMOTO, I; M MIYOSHI; S KOJO, May 1987, 924, 2, 297, 302, Scientific journal
Not Refereed, CLINICAL SCIENCE, PORTLAND PRESS, EFFECT OF THYROPARATHYROIDECTOMY ON THE ACTIVITIES OF THYMIDYLATE SYNTHETASE AND THYMIDINE KINASE DURING LIVER-REGENERATION AFTER PARTIAL-HEPATECTOMY, R NAKATA; TSUKAMOTO, I; M MIYOSHI; S KOJO, Apr. 1987, 72, 4, 455, 461, Scientific journal
Not Refereed, BIOCHEMICAL PHARMACOLOGY, PERGAMON-ELSEVIER SCIENCE LTD, LIVER-REGENERATION IN STREPTOZOTOCIN-DIABETIC RATS, R NAKATA; TSUKAMOTO, I; M MIYOSHI; S KOJO, Mar. 1986, 35, 5, 865, 867, 10.1016/0006-2952(86)90256-X
Not Refereed, EUROPEAN JOURNAL OF PHARMACOLOGY, ELSEVIER SCIENCE BV, ALPHA-ADRENERGIC REGULATION OF THE ACTIVITY OF THYMIDYLATE SYNTHETASE AND THYMIDINE KINASE DURING LIVER-REGENERATION AFTER PARTIAL-HEPATECTOMY, R NAKATA; TSUKAMOTO, I; M NANME; S MAKINO; M MIYOSHI; S KOJO, 1985, 114, 3, 355, 360, Scientific journal, 10.1016/0014-2999(85)90380-2
Not Refereed, BIOCHEMICAL PHARMACOLOGY, PERGAMON-ELSEVIER SCIENCE LTD, LIVER-REGENERATION AFTER CARBON-TETRACHLORIDE INTOXICATION IN THE RAT, R NAKATA; TSUKAMOTO, I; M MIYOSHI; S KOJO, 1985, 34, 4, 586, 588, 10.1016/0006-2952(85)90195-9
Refereed, Nutrients, Adolescent Dietary Habit-induced Obstetric and Gynecologic Disease (ADHOGD) as a New Hypothesis-Possible Involvement of Clock System., Tomoko Fujiwara; Masanori Ono; Michihiro Mieda; Hiroaki Yoshikawa; Rieko Nakata; Takiko Daikoku; Naomi Sekizuka-Kagami; Yoshiko Maida; Hitoshi Ando; Hiroshi Fujiwara, There are growing concerns that poor dietary behaviors at young ages will increase the future risk of chronic diseases in adulthood. We found that female college students who skipped breakfast had higher incidences of dysmenorrhea and irregular menstruation, suggesting that meal skipping affects ovarian and uterine functions. Since dysmenorrhea is more prevalent in those with a past history of dieting, we proposed a novel concept that inadequate dietary habits in adolescence become a trigger for the subsequent development of organic gynecologic diseases. Since inadequate feeding that was limited during the non-active phase impaired reproductive functions in post-adolescent female rats, we hypothesize that circadian rhythm disorders due to breakfast skipping disrupts the hypothalamic-pituitary-ovarian axis, impairs the reproductive rhythm, and leads to ovarian and uterine dysfunction. To explain how reproductive dysfunction is memorized from adolescence to adulthood, we hypothesize that the peripheral clock system also plays a critical role in the latent progression of reproductive diseases together with the central system, and propose naming this concept "adolescent dietary habit-induced obstetric and gynecologic disease (ADHOGD)". This theory will contribute to analyzing the etiologies of and developing prophylaxes for female reproductive diseases from novel aspects. In this article, we describe the precise outline of the above hypotheses with the supporting evidence in the literature., 02 May 2020, 12, 5, Scientific journal, True, 10.3390/nu12051294
Refereed, Current developments in nutrition, Time Restriction of Food Intake During the Circadian Cycle Is a Possible Regulator of Reproductive Function in Postadolescent Female Rats., Fujiwara T; Nakata R; Ono M; Mieda M; Ando H; Daikoku T; Fujiwara H, Background: We previously reported that skipping breakfast is associated with menstrual disorders of female college students during postadolescent maturation. Objective: In this study, we investigated the effects of meal timing during circadian cycle on the ovarian function using young female rats. Methods: Considering that rats are nocturnally active, 8-wk-old female Wistar rats were classified into 3 groups: Fed during the daytime only (nonactive phase), night-time only (active phase), or control group I (without time or calorie restriction, free access to a standard caloric diet, 20.0% protein, 62.9% carbohydrate, and 7.0% fat, 3.95 kcal/g) for 4 wk. The changes in body weight and frequency of ovulation in each group were evaluated by a weight scale and a vaginal smear, respectively. At the end of the period of dietary restriction, ovaries were removed, and the numbers of growing follicles (mean diameter >250 μm) and corpora lutea (>600 μm) were examined using hematoxylin-eosin-stained tissue sections. In addition, 8-wk-old female rats were fed only during the night-time for 4 wk under a 20%-reduced food supply of the control group II (without any restriction). Results: In the daytime-fed group, the frequency and number of ovulations were significantly decreased compared with those in the control group I (P < 0.05), with a reduced body weight gain concomitant with about 20% of reduction in the daily food intake. In contrast, in the night-time-fed group, even when a 20% reduction in the daily food intake was loaded, their estrus cyclicity did not change despite significant reductions in weight gain and food intake compared with control group II. Conclusion: These findings indicate that restricting food intake to the inactive phase impairs ovarian function in postadolescent female rats, suggesting that the timing of food intake during circadian cycle is one of the crucial factors interfering with the reproductive function., Apr. 2019, 3, 4, nzy093, Scientific journal, 10.1093/cdn/nzy093
Refereed, Journal of Functional Foods, Lactobacillus helveticus-MIKI-020 enhances hepatic FGF21 expression and decreases the core body temperature during sleep in mice, Kiriyama K; Goto T; Yamamoto H; Ara T; Takahashi H; Jheng HF; Nomura W; Inoue H; Nakata R; Kawada T, Mar. 2019, 54, 529, 535
Refereed, Lipids, Springer Berlin Heidelberg, 9-Oxo-10(E),12(Z),15(Z)-Octadecatrienoic Acid Activates Peroxisome Proliferator-Activated Receptor α in Hepatocytes., Takahashi H; Kamakari K; Goto T; Hara H; Mohri S; Suzuki H; Shibata D; Nakata R; Inoue H; Takahashi N; Kawada T, First online: 19 September 2015The peroxisome proliferator-activated receptor (PPAR)α is mainly expressed in the liver and plays an important role in the regulation of lipid metabolism. It has been reported that PPARα activation enhances fatty acid oxidation and reduces fat storage. Therefore, PPARα agonists are used to treat dyslipidemia. In the present study, we found that 9-oxo-10(E), 12(Z), 15(Z)-octadecatrienoic acid (9-oxo-OTA), which is a α-linolenic acid (ALA) derivative, is present in tomato (Solanum lycopersicum) extract. We showed that 9-oxo-OTA activated PPARα and induced the mRNA expression of PPARα target genes in murine primary hepatocytes. These effects promoted fatty acid uptake and the secretion of β-hydroxybutyrate, which is one of the endogenous ketone bodies. We also demonstrated that these effects of 9-oxo-OTA were not observed in PPARα-knockout (KO) primary hepatocytes. To our knowledge, this is the first study to report that 9-oxo-OTA promotes fatty acid metabolism via PPARα activation and discuss its potential as a valuable food-derived compound for use in the management of dyslipidemia., Sep. 2015, 50, 11, 1083, 1091, 10.1007/s11745-015-4071-3
日本生化学会大会プログラム・講演要旨集, (公社)日本生化学会, 辛味成分によるCOX-2発現抑制とPPARα活性化, 松下 佳奈恵; 滝澤 祥恵; 中田 理恵子; 井上 裕康, Oct. 2014, 87回, [2P, 419]
Current developments in nutrition, Time-Restricted Feeding Regulates Circadian Rhythm of Murine Uterine Clock., Takashi Hosono; Masanori Ono; Takiko Daikoku; Michihiro Mieda; Satoshi Nomura; Kyosuke Kagami; Takashi Iizuka; Rieko Nakata; Tomoko Fujiwara; Hiroshi Fujiwara; Hitoshi Ando, Background: Skipping breakfast is associated with dysmenorrhea in young women. This suggests that the delay of food intake in the active phase impairs uterine functions by interfering with circadian rhythms. Objectives: To examine the relation between the delay of feeding and uterine circadian rhythms, we investigated the effects of the first meal occasion in the active phase on the uterine clock. Methods: Zeitgeber time (ZT) was defined as ZT0 (08:45) with lights on and ZT12 (20:45) with lights off. Young female mice (8 wk of age) were divided into 3 groups: group I (ad libitum consumption), group II (time-restricted feeding during ZT12-16, initial 4 h of the active period), and group III (time-restricted feeding during ZT20-24, last 4 h of the active period, a breakfast-skipping model). After 2 wk of dietary restriction, mice in each group were killed at 4-h intervals and the expression profiles of uterine clock genes, Bmal1 (brain and muscle aryl hydrocarbon receptor nuclear translocator-like protein 1), Per1 (period circadian clock 1), Per2, and Cry1 (cryptochrome 1), were examined. Results: qPCR and western blot analyses demonstrated synchronized circadian clock gene expression within the uterus. Immunohistochemical analysis confirmed that BMAL1 protein expression was synchronized among the endometrium and myometrium. In groups I and II, mRNA expression of Bmal1 was elevated after ZT12 at the start of the active phase. In contrast, Bmal1 expression was elevated just after ZT20 in group III, showing that the uterine clock rhythm had shifted 8 h backward. The changes in BMAL1 protein expression were confirmed by western blot analysis. Conclusions: This study is the first to indicate that time-restricted feeding regulates a circadian rhythm of the uterine clock that is synchronized throughout the uterine body. These findings suggest that the uterine clock system is a new candidate to explain the etiology of breakfast skipping-induced uterine dysfunction., May 2021, 5, 5, nzab064, Scientific journal, True, 10.1093/cdn/nzab064
ビタミン, 公益社団法人 日本ビタミン学会, 4.レスベラトロールと運動による組織選択的PPARα活性化(研究発表,第341回会議研究発表要旨,脂溶性ビタミン総合研究委員会), 中田 理恵子; 刈谷 斐; 伊藤 有里加; 本郷 翔子; 松下 佳奈恵; 滝澤 祥恵; 井上 裕康, 2014, 88, 2, 108, 109, 10.20632/vso.88.2_108
ビタミン, 公益社団法人 日本ビタミン学会, 6.PPARα活性化によるレスベラトロールの脂質代謝改善効果(第337回会議研究発表要旨,脂溶性ビタミン総合研究委員会), 井上 裕康; 滝澤 祥恵; 高井 綾子; 中田 理恵子, 2013, 87, 5, 309, 310, 10.20632/vso.87.5-6_309
ビタミン, 公益社団法人 日本ビタミン学会, 2. レスベラトロールによるcAMPを介するフィードフォワードPPARα活性制御(研究発表,第347回会議研究発表要旨,脂溶性ビタミン総合研究委員会), 井上 裕康; 滝澤 祥恵; 本郷 翔子; 山上 小百合; 中田 理恵子, 2015, 89, 12, 591, 591, 10.20632/vso.89.12_591_1
Abstracts of Annual Congress of The Japan Society of Home Economics, The Japan Society of Home Economics, Effect of resveratrol on gene expression in human cardiomyocytes derived from iPS cells, Takizawa Yoshie; Hongo Shouko; Nakata Rieko; Inoue Hiroyasu,
目的 赤ワインに含まれるポリフェノール・レスベラトロールは、心血管疾患の発症リスク低下に関与する成分として注目されている。我々は核内受容体PPAR活性化を指標にして食品機能成分の評価を行っており、レスベラトロールがPPARα、β/δ、γの選択的アゴニストであること、PPARα活性化を介して脳保護効果を持つことを明らかにした。さらに、生理的条件に近い低濃度レスベラトロール(1μM)で6日間処理した血管内皮細胞において、血管拡張や血小板凝集抑制に関与する血管内皮型NO合成酵素(eNOS)の発現が誘導されるともに、NAD⁺依存性脱アセチル化酵素SIRT1、生体の恒常性維持に関わるオートファジー関連遺伝子、活性酸素消去や抗炎症作用に関与する遺伝子の発現が同時に誘導されることを報告した(第66回本学会, Br. J. Nutr. 2013)。そこで本研究では、ヒトiPS細胞由来心筋細胞を用いてレスベラトロールの心臓への効果を検討した。
方法・結果 拍動したヒトiPS細胞由来心筋細胞にレスベラトロール(10μM)を6日間処理した結果、PPARαおよびβ/δの発現が上昇した。さらに、脂質代謝に関連するPPARα応答遺伝子が誘導され、この結果は低濃度のレスベラトロールを含む赤ワイン凍結乾燥物を長期摂取したマウス心臓での発現誘導と一致していた。また、レスベラトロールによりヒト血管内皮細胞で誘導された遺伝子群の多くは、ヒトiPS細胞由来心筋細胞においても発現上昇が認められた。(共同研究:メルシャン(株)), 2015, 67, 165, 165, 10.11428/kasei.67.0_165
Abstracts of Annual Congress of The Japan Society of Home Economics, The Japan Society of Home Economics, Imprrovement of lipid metabolism by soybean-derived components targeted to PPAR activation, Nakata Rieko; Hongo Shouko; Takizawa Yoshie; Inoue Hiroyasu,
目的 日本人の食生活において古くから親しまれてきた大豆の成分について、様々な機能性が注目され多くの研究がなされているのが、その分子作用機構の解明は十分ではない。我々は、脂質代謝の関与する核内受容体PPARを指標とした食品成分の機能性評価を続けており、PPAR活性化能を有する成分を同定し、本学会においても報告してきた。そこで本研究では、大豆タンパク質摂取による脂質代謝改善効果とPPAR活性化の関与について、PPARα欠損型マウスを用いて検討した。
方法および結果 大豆の主要タンパク質であるβ-コングリシニンを20%含む高脂肪食を、4週間マウスに摂取させた。野生型マウスでは、カゼインをタンパク源とした場合に比べて、体重増加抑制や血漿トリグリセリド(TG)濃度の減少が認められた。この効果は、PPARα欠損型マウスでも見られ、PPARα活性化の関与は認められなかった。そこで、大豆タンパク質の栄養値に注目し、第1制限アミノ酸のメチオニンを添加して同様の実験を行った。その結果、PPARα依存的な体重増加抑制、白色脂肪重量の減少、血漿TGおよび遊離脂肪酸濃度の減少が認められた。さらに、肝臓で産生され脂質代謝に関与する因子の遺伝子発現が誘導され、その効果はPPARα依存的であった。以上の結果から、β-コングリシニンはPPARαを活性化し、脂質代謝改善効果を示す可能性が示唆された。, 2015, 67, 163, 163, 10.11428/kasei.67.0_163
Abstracts of the Annual Meeting of the Japan Society of Cookery Science, The Japan Society of Cookery Science, The addiction of smartphone usage in young women may affect self-recognition of food intake, Fujiwara Tomoko; Yamagishi Fumino; Nakata Rieko, 【目的】近年、スマートフォンの利用者は急激に増加しており、若年女性への普及率は7割を超えて、特に大学生については9割以上が使用しているといわれている。普及率の急騰に伴って、利用時間も増え、日常生活に影響を及ぼす可能性が懸念される。問題のある利用形態のひとつとして、食事中の使用が予想されることから、スマートフォンの利用が若年女性の食生活に及ぼす影響について明らかにする目的でアンケートによる実態調査を実施した。
【方法】2014年12月に18-20歳の女子大学生を対象に、同意を得た後に自記式アンケート調査を行い、スマートフォンの利用状況と食習慣や健康状態に関して223名から有効回答を得た。
【結果】スマートフォン利用者の4人にひとりは1日に5時間以上使用し、食事にかける時間や睡眠時間は5時間未満の利用者と変わらなかったものの、食事中の利用率が高く、朝食欠食率も高いという結果が得られた。また、食事中にもスマートフォンを利用する群においては、利用しない群に比べて、ダイエット経験の有無に関わらず体重が増加している者が有意に多いことが示された。これらの知見から、スマートフォンの利用時間が長く、食事中にもスマートフォンを使用すると、食事量の過剰摂取に陥る可能性が示唆され、その原因としてスマートフォンの利用が食事摂取に関する自己認識力を低下させている可能性が推察された。, 2015, 27, 200, 200, 10.11402/ajscs.27.0_200
Abstracts of Annual Congress of The Japan Society of Home Economics, The Japan Society of Home Economics, Improvement of lipid metabolism by cinnamon burk oil, Takizawa Yoshie; Nakata Rieko; Inoue Hiroyasu, 2013, 65, 78, 78, 10.11428/kasei.65.0_78
Abstracts of Annual Congress of The Japan Society of Home Economics, The Japan Society of Home Economics, Effect of folate deficiency on lipid metabolism in high-fat diet, NAKATA Rieko; MATSUMOTO Akane; INOUE Hiroyasu, 2013, 65, 79, 79, 10.11428/kasei.65.0_79
Abstracts of Annual Congress of The Japan Society of Home Economics, The Japan Society of Home Economics, Possible effects of dietary intention on reproductive function of young women, FUJIWARA Tomoko; NAKATA Rieko, 2013, 65, 148, 148, 10.11428/kasei.65.0_148
北日本産科婦人科学会総会・学術講演会プログラム・抄録集, 東北連合産科婦人科学会・北日本産科婦人科学会, 時刻制限給餌はマウス子宮における概日リズムを調整する, 細野 隆; 小野 政徳; 大黒 多希子; 三枝 理博; 野村 学史; 鏡 京介; 飯塚 崇; 中田 理恵子; 藤原 智子; 安藤 仁; 藤原 浩, Aug. 2021, 68回, 87, 87
日本内分泌学会雑誌, (一社)日本内分泌学会, 摂餌行動はマウス子宮における概日リズムを調整する, 細野 隆; 小野 政徳; 大黒 多希子; 三枝 理博; 野村 学史; 鏡 京介; 飯塚 崇; 中田 理恵子; 藤原 智子; 安藤 仁; 藤原 浩, Mar. 2022, 97, 5, 1362, 1362
日本栄養・食糧学会大会講演要旨集, (公社)日本栄養・食糧学会, 肝臓小胞体ストレス制御におけるPPARαの役割の検討, 後藤 剛; 蓮池 舞香; 岸 健汰; 向井 貴子; 中田 理恵子; 高橋 春弥; 楠堂 達也; 井上 裕康; 河田 照雄; 井上 和生, May 2022, 76回, 306, 306
日本内分泌学会雑誌, (一社)日本内分泌学会, 摂餌行動はマウス子宮における概日リズムを調整する, 細野 隆; 小野 政徳; 大黒 多希子; 三枝 理博; 野村 学史; 鏡 京介; 飯塚 崇; 中田 理恵子; 藤原 智子; 安藤 仁; 藤原 浩, Mar. 2022, 97, 5, 1362, 1362
Abstracts of the Annual Meeting of the Japan Society of Cookery Science, The Japan Society of Cookery Science, The effects of the caloric restriction on ovarian function in post-adolescent women, Fujiwara Tomoko; Furukawa Azusa; Matsumoto Akane; Nakata Rieko, [目的]思春期の食生活の重要性については広く認識されているが、思春期以後さらに成熟しつつある女性(18-22歳)には適切な医学的分類用語が存在せず、食生活において自立を始める時期にもかかわらずこの時期の女性を対象とした予防医学的視点からの食生活指導および指標は未だ十分とはいえない。演者らはこの時期を「ポスト思春期」と位置づけ、十数年にわたるアンケート調査から食生活習慣の中でも朝食の欠食と不適切なダイエットが将来の婦人科疾患の誘発に関与している可能性を報告してきた1)。今回はポスト思春期の食生活が以後の母性を担う時期のQOLに及ぼす影響を詳細に検討する目的で、雌性ラットを用いてカロリー制限が卵巣機能に及ぼす影響について検証実験を行った。 [方法]8週齢のWistar系雌性ラットを、暗期あるいは明期にのみ給餌する群に分類し、4週間 50%カロリー制限食で飢餓状態を負荷した後、制限を解除してさらに4週間飼育し、体重の変化と膣スメア法による性周期の変化を観察した。また食餌制限終了時およびその4週間後の卵巣の最大長径切片をHE染色し、顕微鏡下で卵胞と黄体の形態を観察した。 [結果]飼育期間中を通して自由摂取した対照群に比べて、制限群は暗期、明期のいずれの給餌群でも制限中に排卵が停止することが確認できたが、暗期(活動期)給餌群においては、卵胞の形成が継続的に行われている可能性が示された。一方で明期(非活動期)給餌群は制限を解除した後も卵巣重量が有意に低く、摂食リズムが卵巣機能の回復に影響する可能性が示唆された。 1)Fujiwara T. and Nakata R. Appetite 2010:55:714-717., 2013, 25, 136, 136, 10.11402/ajscs.25.0.136.0
Biochimica et biophysica acta. Gene regulatory mechanisms, Inflammation-induced nitric oxide suppresses PPARα expression and function via downregulation of Sp1 transcriptional activity in adipocytes., Jungin Kwon; Yumeko Aoki; Haruya Takahashi; Rieko Nakata; Satoko Kawarasaki; Zheng Ni; Rina Yu; Hiroyasu Inoue; Kazuo Inoue; Teruo Kawada; Tsuyoshi Goto, The activation of peroxisome proliferator-activated receptor alpha (PPARα), a ligand-dependent transcription factor that regulates lipid oxidation-related genes, has been employed to treat hyperlipidemia. Emerging evidence indicates that Ppara gene expression decreases in adipose tissue under obese conditions; however, the underlying molecular mechanisms remain elusive. Here, we demonstrate that nitric oxide (NO) suppresses Ppara expression by regulating its promoter activity via suppression of specificity protein 1 (Sp1) transcriptional activity in adipocytes. NO derived from lipopolysaccharide (LPS) -activated macrophages or a NO donor (NOR5) treatment, suppressed Ppara mRNA expression in 10T1/2 adipocytes. In addition, Ppara transcript levels were reduced in the white adipose tissue (WAT) in both acute and chronic inflammation mouse models; however, such suppressive effects were attenuated via a nitric oxide synthase 2 (NOS2) inhibitor. Endoplasmic reticulum (ER) stress inhibitors attenuated the NO-induced repressive effects on Ppara gene expression in 10T1/2 adipocytes. Promoter mutagenesis and chromatin immunoprecipitation assays revealed that NO decreased the Sp1 occupancy in the proximal promoter regions of the Ppara gene, which might partially result from the reduced Sp1 expression levels by NO. This study delineated the molecular mechanism that modulates Ppara gene transcription upon NO stimulation in white adipocytes, suggesting a possible mechanism for the transcriptional downregulation of Ppara in WAT under obese conditions., 20 Sep. 2023, 1866, 4, 194987, 194987, Scientific journal, True, 10.1016/j.bbagrm.2023.194987
Seikagaku, Japanese Biochemical Society, Progress in the study on resveratrol, Rieko Nakata; Hiroyasu Inoue, 2018, 90, 4, 529, 532, Scientific journal, 10.14952/SEIKAGAKU.2018.900529
Not Refereed, 脂質生化学研究, レスベラトロールの心血管系に対する効果とその作用機構, 山上小百合; 中田理恵子; 有沢玲; 本郷翔子; 滝澤祥恵; 井上裕康, 2017, 59, 54, 56
Not Refereed, 脂質生化学研究, 長鎖不飽和脂肪酸とその腸内細菌代謝物によるGPR120活性化の検討, 本郷翔子; 森本育美; 山上小百合; 古田美咲; 滝澤祥恵; 中田理恵子; 井上裕康, 2016, 58, 53, 54
Not Refereed, 脂質生化学研究, レスベラトロールによるPPARα活性化のcAMPを介するフィードードフォワード制御, 滝澤祥恵; 中田理恵子; 本郷翔子; 森本育美; 川西彩代; 山上小百合; 古田美咲; 井上裕康, 2015, 57, 153, 155
Not Refereed, 脂質生化学研究, 大豆由来成分による脂質代謝改善効果とPPARα活性化, 中田理恵子; 松下佳奈恵; 本郷翔子; 伊藤有里加; 森本育美; 滝澤祥恵; 井上裕康, 2014, 56
Not Refereed, 脂質生化学研究, 低濃度レスベラトロールによるHUVEC での遺伝子発現変動, 滝澤祥恵; 小菅由希子; 淡路比呂代; 田村恵美; 高井綾子; 矢内隆章; 小亀浩市; 宮田敏行; 中田理恵子; 井上裕康, 2013, 55, 94, 96
Not Refereed, 日本食品化学研究振興財団第19回研究成果報告書, 健康保持増進への寄与が期待できる精油成分の機能性評価, 中田 理恵子; 井上裕康; 中田理恵子, 2013
Not Refereed, 脂質生化学研究, COX-2およびPPARを標的とした精油成分の機能性評価, 中田 理恵子; 中田理恵子; 滝澤祥恵; 岩佐千絢; 高井綾子; 勝川路子; 井上裕康, 2012, 54, 252, 255
Not Refereed, New Food Industry, 食品資材研究会, COX-2およびPPARを標的とした食品成分の機能性評価, 中田 理恵子; 滝澤祥恵; 中田理恵子; 高井綾子; 井上裕康, 2012, 54, 12, 1, 6
Not Refereed, 日本ポリフェノール学会誌, COX-2およびPPARを標的としたレスベラトロールの機能性評価, 中田 理恵子; 井上裕康; 中田理恵子, 2012, 1, 33, 37
Not Refereed, バイオインダストリー, 生活習慣病予防が期待される精油成分の新たな機能, 中田 理恵子; 井上裕康; 中田理恵子, 2011, 69, 41, 43
Not Refereed, VITAMINS, THE VITAMIN SOCIETY OF JAPAN, Vaticanol C, a resveratrol tetramer, activates PPARα and PPARβ/δ in vivo and in vitro, Tsukamoto Tomoko; Nakata Rieko; Tamura Emi; Kosuge Yukiko; Kariya Aya; Katsukawa Michiko; Mishima Satoshi; Itoh Tetsuro; Iinuma Munekazu; Akao Yukihiro; Nozawa Yoshinori; Arai Yuji; Namura Shobu; Inoue Hiroyasu, 2011, 85, 2, 70, 72, 10.20632/vso.85.2_70
Not Refereed, 脂質生化学研究, レスベラトロール4’位水酸基はPPAR活性化に関与する, 中田 理恵子; 滝澤祥恵; 越地聡美; 勝川路子; 中田理恵子; 井上裕康, 2011, 53
Not Refereed, 脂質生化学研究, PPARαを介したレスベラトロールの効果と脂質代謝の異なる系統差の相違, 中田 理恵子; 中田理恵子; 小菅由希子; 滝澤祥恵; 田村恵美; 井上裕康, 2011, 53, 144, 146
Not Refereed, Aromatopia, 生活習慣病予防が期待されるスパイス精油の有効性, 中田 理恵子; 井上裕康; 中田理恵子, 2011, 20, 6, 9
Not Refereed, 脂質生化学研究, PPARαを介したレスベラトロールの作用機構-個体レベルでの検討-, 中田 理恵子; 中田理恵子; 田村恵美; 小菅由希子; 刈谷斐; 勝川路子; 井上裕康, 2010, 52, 199, 201
Not Refereed, ビタミン, タイム油成分カルバクロールはPPARαとPPARγを活性化しCOX-2の発現を抑制する, 中田 理恵子; 堀田真理子; 中田理恵子; 勝川路子; 堀一之; 高橋沙織; 井上裕康, 2010, 84, 255, 256
Not Refereed, Food Style, たまごに含まれる葉酸の有用性について, 中田 理恵子; 中田理恵子, 2008, 12, 4
Not Refereed, 脂質生化学研究, レスベラトロール4量体バチカノールCによる核内受容体PPARα及びβ/δの活性化, 中田 理恵子; 塚本朋子; 中田理恵子; 勝川路子; 赤尾幸博; 野澤義則; 三島敏; 井上裕康, 2008, 50, 304, 307
Not Refereed, 脂質生化学研究, 葉酸欠乏が脂質代謝関連酵素の遺伝子発現に及ぼす影響, 中田 理恵子; 中田理恵子; 淡路比呂代; 渡邊志保; 井上裕康, 2008, 50, 300, 303
Not Refereed, 脂質生化学研究, 植物性ポリフェノールにおける核内受容体PPARの活性化, 中田 理恵子; 井上裕康; 中田理恵子, 2006, 48, 141, 143
Not Refereed, 食生活学・文化及び地球環境科学に関する研究助成研究紀要(アサヒビール学術振興財団), 葉酸の生体内機能の評価に関する研究, 中田 理恵子, 2004, 17, 35, 47
Not Refereed, 化学と工業, チミジル酸合成酵素を標的にした新規抗がん剤の開発, 中田 理恵子; 中田理恵子, 2003, 56, 11, 1260
Not Refereed, Journal of Home Economics of Japan, 日本家政学会, Effects of Irregular Feeding under an 80% Energy Restricted Condition on the Growth and the Daily Energy Metabolism in Rats, NAKATA Rieko, Effects of irregular feeding on a 2 days cycle under an 80% energy restriction were examined on the growth rate, biochemical composition of liver and blood, and daily energy metabolism in 6-12 weeks old rats. The rats were divided into four groups which were fed an experimental diet for 38 days ad libitum (A) every day, 80% diet of group A every day (R80), 100 and 60% diets of group A on alternate days (R100-60), and 120 and 40% diets of group A on alternate days (R120-40), respectively. Body weight gain was significantly lower in group R120-40 than in the other groups. The weights of internal organs were lower in all the restricted groups than in group A. However, their weight ratios to whole body weight were not significantly different among all the groups. Differences in such daily energy metabolism as total energy expenditure per kg body weight were not significant between group A and group R80, which suggested that the rats in group R80 attained metabolic adaptation to the feeding conditions by diminishing their body size. On the other hand, the rats in group R120-40 changed total energy expenditure (TEE) and minimal energy expenditure (MEE) according to the amount of food ingested on alternate days. They maintained MEE on 120% diet days at a level comparable to that of the rats in group R80 and adapted the present irregular feeding conditions by decreasing total activity (TA). However, the decrease in TA brought about by irregular feeding over a long period of time is considered to be undesirable for health., 1995, 46, 9, 833, 840, 10.11428/jhej1987.46.833
Not Refereed, Vitamins, The Vitamin Society of Japan, Effects of Folic Acid on Rat Liver Regeneration After Partial Hepatectomy, NAKATA Rieko, Effects of folic acid on rat liver regeneration were evaluated by the activities of thymidylate synthase and thymidine kinase, which are rate-limiting enzymes of DNA synthesis in liver regeneration, and the contents of DNA, RNA and protein, and liver weight. By injection of folic acid immediately after partial (70%) hepatectomy, thymidine kinase activity was inhibited in the 24 h-regenerating liver, whereas thymidylate synthase activity increased in the 48 and 72 h-regenerating liver, The DNA and RNA contents and liver weight were also reduced in the 72 h-regenerating liver of folate-injected rats. These results suggest the stimulatory effect of folic acid on the induction of thymidylate synthase and the inhibitory effect on rat liver regeneration., 1994, 68, 8, 445, 449, 10.20632/vso.68.8_445
Not Refereed, 広島医学, 体力・健康づくりにおける運動と栄養の相互作用‐特に運動のみの効果と1日の運動時刻による生理生化学的相違と季節的な変化について, 中田 理恵子, 1990, 43, 12, 2076, 2083
Not Refereed, 広島女子大学家政学部紀要, 野菜による変異原抑制効果, 中田 理恵子, 1990, 26, 101, 107
Not Refereed, Journal of Hiroshima Medical Association, Circadian changes in the development of physical strength by exercise, NAKATA Rieko, 1990, 43, 12, 2076, 2083
Not Refereed, 広島女子大学家政学部紀要, 広島女子大学, 尿中3メチルヒスチジンの比色定量法の確立とその応用(共著), 中田 理恵子, 1989, 25, 25, 1, 7
Not Refereed, 日本栄養・食糧学会大会講演要旨集, 米麹抽出物が脂質代謝に与える効果に関する研究, 高橋春弥; CHI Hsin‐Yi; 毛利晋輔; 鎌苅浩介; 中田啓司; 一條範好; 中田理恵子; 井上裕康; 後藤剛; 後藤剛; 河田照雄; 河田照雄, 27 Apr. 2018, 72nd, 224
Not Refereed, 日本農芸化学会大会講演要旨集(Web), 麹抽出物の脂質代謝改善作用に関する研究, 高橋春弥; CHI Hsin‐Yi; 毛利晋輔; 鎌苅浩介; 中田啓司; 一條範好; 中田理恵子; 井上裕康; 後藤剛; 後藤剛; 河田照雄; 河田照雄, 05 Mar. 2017, 2017, ROMBUNNO.2A08p08 (WEB ONLY)
Not Refereed, JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, AMER CHEMICAL SOC, Rice Koji Extract Enhances Lipid Metabolism through Peroxisome Proliferator-Activated Receptor Alpha (PPAR alpha) Activation in Mouse Liver (vol 64, pg 8848, 2016), Haruya Takahashi; Hsin-Yi Chi; Shinsuke Mohri; Kosuke Kamakari; Keiji Nakata; Noriyoshi Ichijo; Rieko Nakata; Hiroyasu Inoue; Tsuyoshi Goto; Teruo Kawada, Jan. 2017, 65, 1, 251, 251, Others, 10.1021/acs.jafc.6b05717
Refereed, 日本栄養・食糧学会近畿支部大会および公開シンポジウム講演抄録集, 脂質代謝亢進時における代謝変動の網羅的解析及び変動代謝物の機能解析, 高橋春弥; 後藤剛; 山崎陽太; 鎌苅浩介; 平田茉莉子; 柴田大輔; 中田理恵子; 井上裕康; 高橋信之; 高橋信之; 河田照雄, 14 Sep. 2016, 55th, 44
Not Refereed, 日本生化学会大会プログラム・講演要旨集, (公社)日本生化学会, 腸内細菌の長鎖不飽和脂肪酸代謝物によるGPR120活性化の検討, 本郷 翔子; 森本 育美; 山上 小百合; 古田 美咲; 滝澤 祥恵; 井上 飛鳥; 青木 淳賢; 東山 繁樹; 吉田 守克; 宮里 幹也; 岸野 重信; 小川 順; 中田 理恵子; 井上 裕康, Sep. 2016, 89回, [2P, 106]
Refereed, 日本栄養・食糧学会大会講演要旨集, フィトールおよびその代謝産物のPPARα活性化能が肝臓および脂肪組織における脂質代謝に及ぼす影響, 眞田康平; 安芝英; 後藤剛; 高橋春弥; 永井宏幸; 金英一; 中田理恵子; 井上裕康; 高橋信之; 高橋信之; 河田照雄, 25 Apr. 2016, 70th, 232
Not Refereed, 日本栄養・食糧学会大会講演要旨集, (公社)日本栄養・食糧学会, 活動期に対応したラットの摂食行動はカロリー制限による卵巣機能抑制の新たな制御因子か?, 藤原 智子; 山岸 郁乃; 井上 裕康; 中田 理恵子; 藤原 浩, Apr. 2016, 70回, 274, 274
Not Refereed, 日本生化学会大会・日本分子生物学会年会合同大会講演要旨集, (公社)日本生化学会, GPR120活性化を指標とする新規食品機能評価系の検討, 森本 育美; 滝澤 祥恵; 本郷 翔子; 井上 飛鳥; 青木 淳賢; 東山 繁樹; 吉田 守克; 宮里 幹也; 中田 理恵子; 井上 裕康, Dec. 2015, 88回・38回, [2P1232], [2P1232]
Refereed, 肥満研究, メタボロミクスを用いたPPARα活性化時の変動代謝物に関する研究, 高橋春弥; 後藤剛; 山崎陽太; 鎌苅浩介; 平田茉莉子; 鈴木秀幸; 柴田大輔; 中田理恵子; 井上裕康; 高橋信之; 河田照雄, 08 Sep. 2015, 21, Supplement, 208
Not Refereed, ビタミン, (公社)日本ビタミン学会, TGFα切断アッセイを用いたω-3系脂肪酸によるGPR120活性化, 森本 育美; 滝澤 祥恵; 本郷 翔子; 井上 飛鳥; 青木 淳賢; 東山 繁樹; 吉田 守克; 宮里 幹也; 中田 理恵子; 井上 裕康, Apr. 2015, 89, 4, 223, 223
Not Refereed, CHEMISTRY AND PHYSICS OF LIPIDS, ELSEVIER IRELAND LTD, A possible function of resveratrol and essential oil-derived chemicals for prevention of life-style related diseases targeted to COX-2 and PPAR, Hiroyasu Inoue; Yoshie Takizawa; Ayako Takai; Chisako Takashiba; Satomi Koeji; Chiharu Iwasa; Rieko Nakata, Aug. 2011, 164, S29, S29, Summary international conference, 10.1016/j.chemphyslip.2011.05.095
Not Refereed, CHEMICAL SENSES, OXFORD UNIV PRESS, Functional Expression of Miraculin, a Taste-Modifying Protein in Arabidopsis thaliana and Escherichia coli, Makiko Satoh; Tomomi Matsuyama; Rieko Nakata; Takashi Aoyama; Hiroyasu Inoue, Feb. 2009, 34, 2, J14, J14, Summary international conference
Not Refereed, ANNALS OF NUTRITION AND METABOLISM, KARGER, RESVERATROL ACTIVATES NUCLEAR RECEPTOR PPARS IN VITRO AND IN VIVO, Rieko Nakata; Emi Tamura; Yukiko Kosuge; Aya Kariya; Michiko Katsukawa; Hiroyasu Inoue, 2009, 55, 160, 160, Summary international conference
ビタミン, 日本ビタミン学会, 1-III-5 葉酸・コリン欠乏による肝脂肪蓄積の誘導(一般演題要旨,第66回大会講演要旨), 中田 理恵子; 松元 茜; 川端 めぐみ; 井上 裕康, 25 Apr. 2014, 88, 4, 224, 224
ビタミン, 日本ビタミン学会, 1-IV-8 PPAR活性化を介した辛味成分の機能性評価(一般演題要旨,第66回大会講演要旨), 井上 裕康; 松下 佳奈恵; 滝澤 祥恵; 中田 理恵子, 25 Apr. 2014, 88, 4, 231, 231
ビタミン, 日本ビタミン学会, 1-II-8 母ラットの葉酸欠乏が出生仔に及ぼす影響(一般演題要旨,ビタミン・バイオファクター研究のさらなる魅力〜大和まほろぱからの発信〜,第67回大会講演要旨), 中田 理恵子; 川端 めぐみ; 山岸 郁乃; 本郷 翔子; 井上 裕康, 25 Apr. 2015, 89, 4, 219, 219
ビタミン, 日本ビタミン学会, 1-III-2 葉酸・コリン欠乏時における脂質代謝の変動(一般演題要旨,第65回大会講演要旨), 中田 理恵子; 松元 茜; 井上 裕康, 25 Apr. 2013, 87, 4, 206, 206
ビタミン, 日本ビタミン学会, 2-III-14 COX-2発現抑制とPPAR活性化を介したシナモンバーク油の機能性評価(一般演題要旨,第65回大会講演要旨), 井上 裕康; 岩佐 千絢; 滝澤 祥恵; 高井 綾子; 中田 理恵子, 25 Apr. 2013, 87, 4, 224, 224
ビタミン, 日本ビタミン学会, 2-IV-26 葉酸欠乏における脂質代謝の変化 : 高脂肪負荷の影響(一般演題要旨,日本ビタミン学会第64回大会講演要旨), 中田 理恵子; 高芝 沙千子; 松元 茜; 井上 裕康, 25 Apr. 2012, 86, 4, 283, 283
ビタミン, 日本ビタミン学会, 2-III-28 運動負荷とレスベラトロールによる組織選択的PPARα活性化(一般演題要旨,日本ビタミン学会第64回大会講演要旨), 井上 裕康; 刈谷 斐; 滝澤 祥恵; 岩佐 千絢; 伊東 茜; 高井 綾子; 中田 理恵子, 25 Apr. 2012, 86, 4, 280, 280
大豆たん白質研究, 不二たん白質研究振興財団, Study of the Molecular Targets of Metabolic Improvement Caused by Soy Protein Intake, 佐藤 隆一郎; 清水 誠; 井上 裕康; 中田 理恵子, Jun. 2016, 18, 36, 12, 16
ビタミン, 日本ビタミン学会, 2-I-25 PPARおよびCOX-2への作用を指標としたレモングラス精油成分の機能性評価(一般演題,日本ビタミン学会第62回大会発表要旨), 勝川 路子; 井上 裕康; 中田 理恵子; 滝澤 祥恵; 堀 一之; 高橋 砂織, 25 Apr. 2010, 84, 4, 179, 179
ビタミン, 日本ビタミン学会, 2-III-29 大腸菌を用いた組換えγ-グルタミルヒドロラーゼの発現系構築と精製(一般演題,日本ビタミン学会第62回大会発表要旨), 中田 理恵子; 朝日 麻衣; 高芝 沙千子; 井上 裕康, 25 Apr. 2010, 84, 4, 203, 203
ビタミン, 日本ビタミン学会, 1-I-7 葉酸欠乏が肝臓及び脂肪組織における脂質代謝関連酵素の発現に及ぼす影響(一般研究発表,日本ビタミン学会第61回大会研究発表要旨), 淡路 比呂代; 朝日 麻衣; 井上 裕康; 中田 理恵子, 25 Apr. 2009, 83, 4, 175, 175
ビタミン, 日本ビタミン学会, 2-I-13 PPARおよびCOX-2への作用を指標としたバラ油成分の機能性評価(一般研究発表,日本ビタミン学会第61回大会研究発表要旨), 勝川 路子; 中田 理恵子; 堀 一之; 高橋 砂織; 井上 裕康, 25 Apr. 2009, 83, 4, 190, 190
ビタミン, 日本ビタミン学会, 1-IV-1 大腸菌によるγ-グルタミルヒドロラーゼの発現とラット臓器での局在(一般演題要旨,日本ビタミン学会第63回大会講演要旨), 中田 理恵子; 朝日 麻衣; 井上 裕康, 25 Apr. 2011, 85, 4, 225, 225
ビタミン, 日本ビタミン学会, 2-I-31 PPARαを介したレスベラトロールの作用機構 : 系統差による相違の検討(一般演題要旨,日本ビタミン学会第63回大会講演要旨), 井上 裕康; 中田 理恵子; 小菅 由希子; 滝澤 祥恵; 田村 恵美, 25 Apr. 2011, 85, 4, 251, 251
Not Refereed, 小児がん, (NPO)日本小児がん学会, High-dose MTX投与後の葉酸代謝物質とセラミド、ビタミンEの血中動態, 久保田 優; 市 育代; 中田 理恵子; 足立 壮一; 渡邊 健一郎; 松原 央; 中畑 龍俊; 樋口 万緑; 吉岡 章, Nov. 2008, 45, プログラム・総会号, 192, 192
脂質生化学研究, 植物性ポリフェノールによる核内受容体PPARの活性化, 井上 裕康; 中田 理恵子; 竹内 悠; 塚本 朋子; 堀田 真理子; 名村 尚武, 08 Jun. 2006, 48, 131, 134
ビタミン, 日本ビタミン学会, 1-III-8 ODSラットにおけるビタミンCと脂質過酸化の動態 : 第49回大会一般研究発表要旨, 得丸 定子; 中田 理恵子; 小城 勝相, 25 Apr. 1997, 71, 4, 186, 186
ビタミン, 日本ビタミン学会, 2-I-3 葉酸欠乏ラットにおける葉酸代謝酵素の遺伝子発現の変化(一般研究発表,日本ビタミン学会 第58回大会研究発表要旨), 石田 麻夏; 曽和 由利香; 松原 孝宜; 井上 裕康; 中田 理恵子, 25 Apr. 2006, 80, 4, 217, 217
ビタミン, 日本ビタミン学会, 1-III-2 葉酸欠乏による遺伝子発現の変化(ビタミン学の原点・栄養学への21世紀的回帰, 日本ビタミン学会第59回大会), 石田 麻夏; 安村 佳代; 淡路 比呂代; 向井 美樹; 渡邉 志保; 井上 裕康; 中田 理恵子, 25 Apr. 2007, 81, 4, 149, 149
ビタミン, 日本ビタミン学会, 2-II-13 植物ポリフェノール長期摂取によるPPARαに依存した寿命延長効果の可能性(ビタミン学の原点・栄養学への21世紀的回帰, 日本ビタミン学会第59回大会), 井上 裕康; 中田 理恵子; 金 相佑; 盛 英三, 25 Apr. 2007, 81, 4, 157, 157
ビタミン, 日本ビタミン学会, 2-III-8 葉酸欠乏による遺伝子発現の変動(一般研究発表,新世紀ビタミン学の展望と先進的展開を目指して,日本ビタミン学会第60回大会発表要旨), 淡路 比呂代; 石田 麻夏; 井上 裕康; 中田 理恵子, 25 Apr. 2008, 82, 4, 282, 282
ビタミン, 日本ビタミン学会, 2-IV-13 レスベラトロール四量体バチカノールCによる核内受容体PPARの活性化(一般研究発表,新世紀ビタミン学の展望と先進的展開を目指して,日本ビタミン学会第60回大会発表要旨), 塚本 朋子; 中田 理恵子; 井上 裕康, 25 Apr. 2008, 82, 4, 299, 299
Not Refereed, Biochemistry and Molecular Biology International, Effect of ageing on rat liver regeneration after partial hepatectomy, I. Tsukamoto; R. Nakata; S. Kojo, The effect of ageing on liver regeneration after two-thirds partial hepatectomy was evaluated using rats of 6 and 60 weeks of age. The induction of thymidylate synthase and thymidine kinase, which are rate-determining enzymes of DNA synthesis in liver regeneration, delayed by 24 h and the maximal activities were significantly lower in old rats. Effects of aging on liver weight and synthesis of DNA, RNA and protein were discussed quantitatively in terms of the relative restoration yield deduced from the comparison with the young animals., 1993, 30, 4, 773, 778
Poster presentation
Poster presentation
Poster presentation
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Oral presentation
Poster presentation
Poster presentation
第64回日本家政学会大会, 葉酸代謝酵素γ―グルタミルヒドロラーゼの臓器局在の検討, 2012
第64回日本家政学会大会, COX-2発現抑制、PPAR活性化を指標としたニンニク油の機能性評価, 2012
第66回日本栄養食糧学会大会, PPARαを介したレスベラトロールの作用と系統差による効果の相違, 2012
第66回日本栄養食糧学会大会, COX-2およびPPARを標的としたニンニク油の機能性評価, 2012
第63回日本ビタミン学会, 運動負荷とレスベラトロールによる組織選択的PPARα活性化, 2012
第63回日本ビタミン学会, 葉酸欠乏における脂質代謝の変化-高脂肪負荷の影響-, 2012
第54回日本脂質生化学会, COX-2およびPPARを標的とした精油成分の機能性評価, 2012
第6回日本ポリフェノール学会年次大会, レスベラトロール摂取と習慣的運動による筋肉PPARα活性化と持久力向上, 2012
日本栄養食糧学会近畿支部大会, ミラクリンの分子進化に関する考察:細胞内局在の視点から, 2012
第46回日本味と匂学会, Cellular localization of Miraculin-YFP fusion protein, 2012
第33回日本肥満学会, 習慣的運動とレスベラトロールによる筋肉PPARα活性化, 2012
第33回日本肥満学会シンポジウム「食品の機能と肥満症」, PPAR活性化を介するレスベラトロールの機能性, 2012
Keystone symposium -Aging and Diseases of Aging-, 4'hydroxy group of resveratrol plays a key role in PPARα activation, 2012
Keystone symposium -Aging and Diseases of Aging-, Resveratrol improves lipid metabolism and life span via PPARα., 2012
Keystone symposium -Aging and Diseases of Aging-, 4'hydroxy group of resveratrol plays a key role in PPARα activation, 2012
Keystone symposium -Aging and Diseases of Aging-, Resveratrol improves lipid metabolism and life span via PPARα., 2012
第53回日本脂質生化学会, レスベラトロール4'水酸基はPPAR活性化に関与する, 2011
第53回日本脂質生化学会, PPARαを介したレスベラトロールの効果と系統差による脂質代謝の影響, 2011
第65回日本栄養食糧学会大会, 葉酸欠乏における高脂肪摂取の影響, 2011
第65回日本栄養食糧学会大会, 若年女性の生殖機能に対する朝食欠食の抑制作用の実験的検証, 2011
第65回日本栄養食糧学会大会, 味覚修飾タンパク質ミラクリンは細胞外シグナル配列を持つ, 2011
第65回日本栄養食糧学会大会, COX-2およびPPARを標的としたシナモンバーグ油の機能性評価, 2011
第65回日本栄養食糧学会大会, レスベラトロールによる運動持久力改善効果の検討, 2011
第65回日本栄養食糧学会大会, レスベラトロールによるPPARα活性化における4'水酸基の関与, 2011
第65回日本栄養食糧学会大会, ワイン凍結乾燥物の長期摂取における心臓エネルギー代謝遺伝子への影響について, 2011
第63回日本家政学会大会, レスベラトロール摂取と適度な運動の相乗効果, 2011
第63回日本家政学会大会, PPARαを介したレスベラトロールの作用機構と系統差の相違, 2011
第63回日本家政学会大会, 食事リズムが若年女性の生殖機能に及ぼす影響について, 2011
第63回日本家政学会大会, ふなずしの呈味成分の生成, 2011
日本ビタミン学会第63回大会, PPARαを介したレスベラトロールの作用機構-系統差の相違-, 2011
日本ビタミン学会第63回大会, 大腸菌によるγ―グルタミルヒドロラーゼの発現とラット臓器での局在, 2011
XI Asian Congress of Nutrition, Resveratrol and its tetramer activate PPARs in vitro and in vivo., 2011
XI Asian Congress of Nutrition, A possible novel function of Asian herbs for prevention of lifestyle-related diseases targeted to COX-2 and PPARs., 2011
XI Asian Congress of Nutrition, Skipping breakfast adversely affects reproductive function in post-adolescent female college students., 2011
52nd International Conference on the Bioscience of Lipids, A possible function of resveratrol and essential oil-derived chemicals for prevention of lifestyle-related diseases targeted to COX-2 and PPAR., 2011
第84回日本生化学会シンポジウム「核内受容体と代謝」, COX-2-PPAR-Resveratrol, 2011
第84回日本生化学会大会, 運動負荷による筋肉でのレスベラトロールPPARα活性化, 2011
第84回日本生化学会大会, レスベラトロール類似体によるPPARα活性化, 2011
第84回日本生化学会大会, 組換えγ―グルタミルヒドロラーゼの発現と臓器局在, 2011
第84回日本生化学会大会, 味覚修飾タンパク質ミラクリンの細胞内局在検討, 2011
第84回日本生化学会大会, PPARとCOX-2を指標にした香辛料成分の機能評価, 2011
日本味と匂学会第45回大会, ミラクリンの酸味受容体候補PKD1L3/PKD2L1に対する影響の検討, 2011
第5回日本ポリフェノール学会年次大会シンポジウム「ポリフェノール研究の最前線」, COX-2とPPARを指標にしたレスベラトロールの機能性評価, 2011
2011 International Conference on Food Factors, Activation of PPARs by resveratrol in vitro and in vivo., 2011
2011 International Conference on Food Factors, A possible function of resveratrol and essential oil-derived chemicals for prevention of lifestyle-related diseases targeted COX-2 and PPAR., 2011
XI Asian Congress of Nutrition, Resveratrol and its tetramer activate PPARs in vitro and in vivo., 2011
XI Asian Congress of Nutrition, A possible novel function of Asian herbs for prevention of lifestyle-related diseases targeted to COX-2 and PPARs., 2011
XI Asian Congress of Nutrition, Skipping breakfast adversely affects reproductive function in post-adolescent female college students., 2011
52nd International Conference on the Bioscience of Lipids, A possible function of resveratrol and essential oil-derived chemicals for prevention of lifestyle-related diseases targeted to COX-2 and PPAR., 2011
2011 International Conference on Food Factors, Activation of PPARs by resveratrol in vitro and in vivo., 2011
2011 International Conference on Food Factors, A possible function of resveratrol and essential oil-derived chemicals for prevention of lifestyle-related diseases targeted COX-2 and PPAR., 2011
第64回日本栄養食糧学会大会, 大腸菌による組換えγ―グルタミルヒドロラーゼの発現と精製, 2010
第64回日本栄養・食糧学会大会, COX-2およびPPARを標的にした食品機能成分の探索, 2010
第64回日本栄養食糧学会大会, in vivoにおけるPPARαを介したレスベラトロールの作用機構, 2010
第64回日本栄養食糧学会大会, レスベラトロール摂取が運動持久力に及ぼす影響, 2010
第64回日本家政学会大会, 大腸菌を宿主とした組換えγ―グルタミルヒドロラーゼの発現系の構築, 2010
第64回日本家政学会大会, 食生活習慣が若年女性の生殖機能に及ぼす影響について, 2010
第64回日本家政学会大会, COX-2発現抑制、PPAR活性化を指標にしたレモングラス精油の機能性評価, 2010
第64回日本栄養食糧学会大会シンポジウム「脂質・エネルギー代謝制御の分子栄養学」, PPAR活性化を指標にした食品機能成分の探索, 2010
第62回日本ビタミン学会大会, 大腸菌を用いた組換えγ―グルタミルヒドロラーゼの発現系構築と精製, 2010
第62回日本ビタミン学会大会, PPARおよびCOX-2への作用を指標にしたレモングラス精油成分の機能性評価, 2010
第52回日本脂質生化学会, PPARαを介したレスベラトロールの作用機構-個体レベルでの検討-, 2010
Keystone symposium (Bioactive Lipids: Biochemistry and Diseases), Resveratrol activates PPARs in vitro and in vivo., 2010
Keystone symposium (Bioactive Lipids: Biochemistry and Diseases), Evaluation of essential oils by activation of PPARs and suppression of COX-2 expression, 2010
日本調理科学会大会, 思春期直後の性成熟完成期にあたる女性を対象とした食事調査結果について, 2010
日本味と匂学会第44回大会, 特殊なPPAR活性化能を示す香辛料シナモンバーグ精油, 2010
第33回日本分子生物学会年会・第83回日本生化学会大会合同大会, レスベラトロール四量体バチカノールCによるPPARα,β/δ活性化-培養細胞および個体レベルでの検討-, 2010
Keystone symposium (Bioactive Lipids: Biochemistry and Diseases), Resveratrol activates PPARs in vitro and in vivo., 2010
Keystone symposium (Bioactive Lipids: Biochemistry and Diseases), Evaluation of essential oils by activation of PPARs and suppression of COX-2 expression, 2010
第63回日本栄養食糧学会大会, 葉酸欠乏による肝臓及び脂肪組織での脂質代謝関連酵素の発現変動, 2009
第63回日本栄養食糧学会大会, PPARα欠損マウスを用いたレスベラトロール摂取の影響, 2009
第63回日本栄養食糧学会大会, レスベラトロール摂取による運動持久力改善効果の検討, 2009
第63回日本栄養食糧学会大会, レスベラトロールがヒト臍帯静脈血管内皮細胞の遺伝子発現に及ぼす影響, 2009
4th International Conference on Phospholipase A2 and Lipid mediators, Change in gene expression of lipid metabolic enzyme in liver and adipose tissue of the folate-deficient rats., 2009
4th International Conference on Phospholipase A2 and Lipid mediators, Evaluation of essential oils by activation of PPARs and suppression of COX-2 expression., 2009
日本ビタミン学会第61回大会, 葉酸欠乏が肝臓及び脂肪組織における脂質代謝関連酵素の発現に及ぼす影響, 2009
日本ビタミン学会第61回大会, PPARおよびCOX-2への作用を指標としたバラ油成分の機能性評価, 2009
日本家政学会第61回大会, レスベラトロール摂取によるPPARαを介した作用機構, 2009
日本家政学会第61回大会, COX-2発現抑制、PPAR活性化を指標とした精油の機能性評価, 2009
日本家政学会第61回大会, 朝食の欠食が若年女性の生殖機能に及ぼす影響について, 2009
日本味と匂学会第43回大会, COX-2発現抑制とPPAR活性化を指標とした香辛料成分の機能性評価, 2009
19th International Congress of Nutrition, Resveratrol activates nuclear receptor PPARs in vitro and in vivo., 2009
第82回日本生化学会大会, 大腸菌を用いたγ―グルタミルヒドロラーゼの発現と精製, 2009
第82回日本生化学会大会, レスベラトロール連続処理による血管内皮細胞の遺伝子発現, 2009
第82回日本生化学会大会, in vivoにおけるレスベラトロールによるPPARα活性化, 2009
第82回日本生化学会大会, レスベラトロールによるPPARαを介した運動持久力改善効果の検討, 2009
第82回日本生化学会大会, PPAR活性化およびCOX-2発現抑制を指標にしたバラ油の機能性評価, 2009
第82回日本生化学会大会シンポジウム「レスベラトロールに関する最近の知見」, PPARを介したレスベラトロールの作用機構, 2009
Bioactive Lipid Conference, Carvacrol and other components of essential oils activate PPARs and suppress COX-2 expression., 2009
日本栄養食糧学会近畿支部第48回研究発表会, COX-2およびPPARを指標とした精油成分の機能性評価-第2報-, 2009
4th International Conference on Phospholipase A2 and Lipid mediators, Change in gene expression of lipid metabolic enzyme in liver and adipose tissue of the folate-deficient rats., 2009
4th International Conference on Phospholipase A2 and Lipid mediators, Evaluation of essential oils by activation of PPARs and suppression of COX-2 expression., 2009
19th International Congress of Nutrition, Resveratrol activates nuclear receptor PPARs in vitro and in vivo., 2009
Bioactive Lipid Conference, Carvacrol and other components of essential oils activate PPARs and suppress COX-2 expression., 2009
第62回日本栄養食糧学会大会, 葉酸欠乏における遺伝子発現の変化, 2008
第62回日本栄養食糧学会大会, 葉酸高含有卵(葉酸たまご)の有用性の評価(第2報), 2008
第62回日本栄養食糧学会大会, 核内受容体PPARαを介するブドウ新芽エキスによる運動持久力改善効果の検討, 2008
日本家政学会第60回大会, ブドウ新芽エキス摂取による運動持久力改善効果の検討, 2008
日本家政学会第60回大会, 遺伝子組換え技術による味覚修飾タンパク質ミラクリンの発現, 2008
第55回日本生化学会近畿支部例会, 味覚修飾タンパク質ミラクリンの発現とその機能評価, 2008
第50回日本脂質生化学会, 葉酸欠乏が脂質代謝関連酵素の遺伝子発現に及ぼす影響, 2008
第50回脂質生化学会, レスベラトロール4量体バチカノールCによる核内受容体PPARα及びβ/δの活性化, 2008
日本ビタミン学会第60回大会, 葉酸欠乏による遺伝子発現の変動, 2008
日本ビタミン学会第60回大会, レスベラトロール4量体バチカノールCによる核内受容体PPARの活性化, 2008
日本味と匂学会第42回大会, 大腸菌とシロイヌナズナを用いた組換えミラクリンの発現とその機能評価, 2008
日本家政学会関西支部第30回研究発表会, 葉酸高含有卵(葉酸たまご)の生体内での有用性の評価, 2008
日本栄養食糧学会近畿支部第47回研究発表会, COX-2およびPPARを標的とした精油成分の機能性評価, 2008
日本栄養食糧学会近畿支部第47回研究発表会, HUVECにおけるレスベラトロール連続処理による遺伝子発現変動の検討, 2008
第31回日本分子生物学会年会・第81回日本生化学会大会合同大会, 葉酸欠乏による遺伝子発現変動-肝臓と脂肪組織における脂質代謝関連酵素の変化-, 2008
第31回日本分子生物学会年会・第81回日本生化学会大会合同大会, レスベラトロール摂取によるPPARα依存的遺伝子群の誘導, 2008
第31回日本分子生物学会年会・第81回日本生化学会大会合同大会, 大腸菌を用いた味覚修飾活性を有する組換えミラクリンの発現, 2008
第74回日本栄養・食糧学会大会, レスベラトロール配糖体ピセイドによるPPARαを介した脂質代謝改善効果の検討, May 2020
日本家政学会第72回大会, 妊娠および授乳期の葉酸欠乏が出生仔の脂質代謝に及ぼす影響, May 2020
The 9th International Conference on Polyphenols and Health - ICPH2019(, The direct activation of PPARalpha by 4’-hydroxyl group of resveratrol and a feedforward regulation via cAMP, Nov. 2019
第92回日本生化学会大会, 妊娠・授乳期の葉酸欠乏が仔の脂質代謝に及ぼす影響, Sep. 2019
第92回日本生化学会大会, レスベラトロールによるPPARα活性化とcAMPを介した制御, Sep. 2019
第61回日本脂質生化学会, cAMPを介したレスベラトロールによるPPARα活性化の制御, Jul. 2019
日本ビタミン学会第72回大会, 妊娠・授乳期の葉酸欠乏が出生仔の脂質代謝に及ぼす影響, Jun. 2019
日本家政学会第71回大会, 加熱調理したサトイモレクチンが免疫細胞に与える影響, May 2019
日本家政学会第71回大会, 心血管系機能に対するレスベラトロール摂取の効果, May 2019
第73回日本栄養・食糧学会大会, cAMPを介したレスベラトロールによるPPARα活性化, May 2019
日本農芸化学会2019年度大会, モリンガ種子抽出物の抗疲労効果の検証, Mar. 2019
第91回日本生化学会大会, 運動とレスベラトロールによる骨格筋代謝改善効果, Sep. 2018
第91回日本生化学会大会, マウス由来初代培養心筋細胞に対するレスベラトロールの効果とPPARα活性化の関与, Sep. 2018
Food Congress 2018, マウス由来初代培養心筋細胞に対するレスベラトロールの効果, Sep. 2018
Food Congress 2018, レスベラトロールと運動による骨格筋代謝改善効果, Sep. 2018
日本家政学会第70回大会, 雌性ラットにおける日内リズムと摂食リズムの乖離が食餌制限後の生殖機能回復へ及ぼす影響, May 2018
日本家政学会第70回大会, 母ラットの葉酸摂取量が出生仔の代謝に及ぼす影響, May 2018
第72回日本栄養・食糧学会大会, 加熱調理したキントキマメレクチンがマウスガンおよび免疫細胞へ与える影響, May 2018
第72回日本栄養・食糧学会大会, マウス由来培養心筋細胞に対するレスベラトロールの効果, May 2018
第72回日本栄養・食糧学会大会, ホモシステインの上昇が骨強度に及ぼす影響, May 2018