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Progress in Physics and Technology Developments for the Modification of JT-60

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Plasma Science and Technology 2004年第1期6卷 2141-2150页

作者： H.Tamai M.Matsukawa G.Kurita N.Hayashi K.Urata Y.M.Miura K.Kizu K.Tsuchiya A.Morioka Y.Kudo S.Sakurai K.Masaki T.Suzuki M.Takechi Y.Kamada a.sakasai S.Ishida K.Abe A.Ando T.Cho T.Fujii T.Fujita S.Goto K.Hananda A.Hatayama T.Hino H.Horiike N.Hosogane M.Ichimura Tsuji-Iio S.Itoh M.Katsurai M.Kikuchi A.Kohyama H.Kubo M.Kuriyama M.Matsuoka Y.Miura N.Miya T.Mizuuchi K.Nagasaki H.Ninomiya N.Nishino Y.Ogawa K.Okano T.Ozeki M.Saigusa M.Sakamoto M.Satoh M.Shimada R.Shimada M.Shimizu T.Takagi Y.Takase T.Tanabe K.Toi Y.Ueda Y.Uesugi K.Ushigusa Y.Yagi T.Yamamoto K.Yatsu K.Yoshikawa Japan Atomic Energy Research Institute Naka Ibarahi 311-0193 Japan Tohoku University University of Tsukuba Osaka University Kyushu University Keio University Hokkaido University Tokyo Institute of Technology the University of Tokyo Kyoto University Mie University Hiroshima University Central research Institute of Electric Power Industry Ibaraki University ITER JCT Nagoya University National Institute for Fusion Science Kanazawa University National Institute of Advanced Industrial Science and Technology

Recent progress in the physics and engineering design study for themodification programme of JT-60 is presented. In order to achieve a steady state high-βplasmaoperation, which is the dominant issue of this programme, physics design for the MHD control and thestability analysis is investigated. Engineering design and the R & D for the superconducting coils,irradiation shield are performed well towards the mission of programme.

关键词： modification of JT-60 physics design technology developments

Design Study of Top Lid with Clamp Structure in JT-60SA Cryostat

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Plasma Science and Technology 2013年第2期15卷 188-191页

作者： Shigetoshi NAKAMURA Yusuke K. SHIBAMA Kei MASAKI Akira.sakasai Japan Atomic Energy Agency Mukouyama 801-1 Naka Ibaraki 311-0193 Japan

JT-60SA is a fully superconducting coil tokamak upgraded from the JT-60U. This paper focused on the integrity of the top lid of cryostat in JT-60SA. The design requirement for the cryostat in normal operations is to achieve vacuum insulation of 10-1 Pa, and the top flange of the top lid is lightly welded onto its body flange. The weld is tensile-loaded by bending deformation of the top lid due to vacuum pressure of external 0.1 MPa. This weld integrity is evaluated with tensile-load reduction, which results in clamp reinforcement. The structural integrity of the top lid is validated.

关键词： clamp vacuum insulation top lid cryostat JT-60SA

Generation of glyceraldehyde-derived advanced glycation end-products in pancreatic cancer cells and the potential of tumor promotion

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World Journal of Gastroenterology 2017年第27期23卷 4910-4919页

作者： takanobu takata tadashi ueda akiko sakasai-sakai masayoshi takeuchi department of advanced medicine medical research institutekanazawa medical university

AIM To determine the possibility that diabetes mellitus promotes pancreatic ductal adenocarcinoma via glyceraldehyde(GA)-derived advanced glycation-end products(GA-AGEs).METHODS PANC-1,a human pancreatic cancer cell line,was treated with 1-4 mmol/L GA for 24 h. The cell viability and intracellular GA-AGEs were measured by WST-8 assay and slot blotting. Moreover,immunostaining of PANC-1 cells with an anti-GA-AGE antibody was performed. Western blotting(WB) was used to analyze the molecular weight of GA-AGEs. Heat shock proteins 90α,90β,70,27 and cleaved caspase-3 were analyzed by WB. In addition,PANC-1 cells were treated with GA-AGEs-bovine serum albumin(GA-AGEs-BSA),as a model of extracellular GA-AGEs,and proliferation of PANC-1 cells was *** In PANC-1 cells,GA induced the production of GA-AGEs and cell death in a dose-dependent manner. PANC-1 cell viability was approximately 40% with a 2 mmol/L GA treatment and decreased to almost 0% with a 4 mmol/L GA treatment(each significant difference was P < 0.01). Cells treated with 2 and 4 mmol/L GA produced 6.4 and 21.2 μg/mg protein of GA-AGEs,respectively(P <0.05 and P < 0.01). The dose-dependent production of some high-molecular-weight(HMW) complexes of HSP90β,HSP70,and HSP27 was observed following administration of GA. We considered HMW complexes to be dimers and trimers with GA-AGEs-mediated aggregation. Cleaved caspase-3 could not be detected with WB. Furthermore,10 and 20 μg/m L GA-AGEs-BSA was 27% and 34% greater than that of control cells,respectively(P < 0.05 and P < 0.01).CONCLUSION Although intracellular GA-AGEs induce pancreatic cancer cell death,their secretion and release may promote the proliferation of other pancreatic cancer cells.

关键词：肿瘤提升导出 Glyceraldehyde 的先进 glycation 结束产品胰腺的 ductal 腺癌

Gene Expression Changes Associated with the Loss of Heterogeneous Nuclear Ribonucleoprotein M Function

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American Journal of Molecular Biology 2017年第2期7卷 87-98页

作者： Jun-ichi Takino Kentaro Nagamine Mikoto Suzuki Akiko sakasai-Sakai Masayoshi Takeuchi Takamitsu Hori Department of Biochemistry Hiroshima International University Hiroshima Japan Department of Advanced Medicine Kanazawa Medical University Ishikawa Japan

Advanced glycation endproducts (AGEs) are formed by the nonenzymatic reaction of sugars with proteins. Glycation may adversely affect proteins, such as by inducing a loss of function. It has been shown that glyceraldehyde-derived AGEs (Glycer-AGEs) accumulate in the liver of patients with nonalcoholic steatohepatitis (NASH). Previously, we showed the formation of intracellular Glycer-AGEs upon exposure of hepatocytes to fructose in vitro, and identified an RNA-binding protein, heterogeneous nuclear ribonucleoprotein M (HNRNPM), as a target for glycation. However, the impact of glycated HNRNPM in NASH remains poorly understood. In this study, we examined gene expression changes caused by HNRNPM knockdown, and investigated the up- and down-regulated genes as noninvasive biomarker candidates for NASH. Microarray analysis after HNRNPM knockdown showed that the levels of 138 transcripts were increased, while those of 100 transcripts were decreased as compared with those in the control. Gene Ontology-based functional analysis showed that 14 upregulated and 9 downregulated genes were associated with the extracellular space, which may enable their detection using blood tests. Among these, six of the up- and down-regulated genes were associated with the extracellular exosome. These results suggest that the loss of HNRNPM function by glycation is reflected extracellularly. Therefore, the identified genes may serve as noninvasive biomarkers for Glycer-AGEs-related NASH.

关键词： Glycation Nonalcoholic Steatohepatitis Heterogeneous Nuclear Ribonucleoprotein M Biomarkers

Elastase Inhibitor in Dried Ginger

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Elastase Inhibitor in Dried Ginger

Contribution of the toxic advanced glycation end-productsreceptor axis in nonalcoholic steatohepatitis-related hepatocellular carcinoma

2009全国中西医结合皮肤性病学术会议

作者： Mitsuru Sugiyama Mitsuyoshi sakasai Yasuto Suzuki Naoko Morisaki Shigeru Moriwaki Yoshinori Nishizawa Yusuke Shibuya Kao Corporation Biological Science Laboratories

干燥后的生姜(Zingiber offinale Roscoe)含有抑制弹性蛋白酶(Elastase)活性的成分,这些成分通过色谱(Chromatography)进行分析,得到6种抑制弹性蛋白酶活性的单一化合物。光谱(Spectrum)分析结果表明,这6种活性成分均为fructosyl dipept...

干燥后的生姜(Zingiber offinale Roscoe)含有抑制弹性蛋白酶(Elastase)活性的成分,这些成分通过色谱(Chromatography)进行分析,得到6种抑制弹性蛋白酶活性的单一化合物。光谱(Spectrum)分析结果表明,这6种活性成分均为fructosyl dipeptide(果糖二肽)。我们已经得知,拥有这些结构的糖肽是Amadoli反应的生成物,也是Maillard(美拉德)反应的中间产物。未经干燥的生姜没有发现具有抑制弹性蛋白酶活性的成分,我们认为生姜干燥过程中产生了活性成分。

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World Journal of Hepatology 2015年第23期7卷 2459-2469页

作者： Jun-ichi Takino Kentaro Nagamine Takamitsu Hori Akiko sakasai-Sakai Masayoshi Takeuchi Department of Biochemistry Faculty of Pharmaceutical Sciences Hiroshima International University Department of Advanced Medicine Medical Research Institute Kanazawa Medical University

Hepatocellular carcinoma(HCC) is one of the most common malignancies worldwide. The main etiologies of HCC are hepatitis B virus and hepatitis C virus(HCV), and non-hepatitis B/non-hepatitis C HCC(NBNCHCC) has also been identified as an etiological factor. Although the incidence of HCV-related HCC in Japan has decreased slightly in recent years, that of NBNC-HCC has increased. The onset mechanism of NBNC-HCC, which has various etiologies, remains unclear; however, nonalcoholic steatohepatitis(NASH), a severe form of nonalcoholic fatty liver disease, is known to be an important risk factor for NBNC-HCC. Among the different advanced glycation end-products(AGEs) formed by the Maillard reaction, glyceraldehyde-derived AGEs, the predominant components of toxic AGEs(TAGE), have been associated with NASH and NBNC-HCC, including NASH-related HCC. Furthermore, the expression of the receptor for AGEs(RAGE) has been correlated with the malignant progression of HCC. Therefore, TAGE induce oxidative stress by binding with RAGE may, in turn, lead to adverse effects, such as fibrosis and malignant transformation, in hepatic stellate cells and tumor cells during NASH or NASH-related HCC progression. The aim of this review was to examine the contribution of the TAGE-RAGE axis in NASH-related HCC.

关键词： Hepatocellular carcinoma Nonalcoholic steatohepati

Involvement of the TAGE-RAGE system in non-alcoholic steatohepatitis: Novel treatment strategies

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World Journal of Hepatology 2014年第12期6卷 880-893页

作者： Masayoshi Takeuchi Jun-ichi Takino Akiko sakasai-Sakai Takanobu Takata Tadashi Ueda Mikihiro Tsutsumi Hideyuki Hyogo Sho-ichi Yamagishi Department of Advanced Medicine Medical Research Institute Kanazawa Medical University Uchinadamachi Ishikawa 920-0293 Japan Laboratory of Biochemistry Faculty of Pharmaceutical Sciences Hiroshima International University Kure Hiroshima 737-0112 Japan Department of Hepatology Kanazawa Medical University Uchinada-machi Ishikawa 920-0293 Japan Department of Gastroenterology and Metabolism Hiroshima University Hospital Hiroshima 734-8551 Japan Department of Pathophysiology and Therapeutics of Diabetic Vascular Complications Kurume University School of Medicine Kurume Fukuoka 830-0011 Japan

Non-alcoholic fatty liver disease(NAFLD)is a major cause of liver disease around the *** includes a spectrum of conditions from simple steatosis to non-alcoholic steatohepatitis(NASH)and can lead to fibrosis,cirrhosis,liver failure,and/or hepatocellular *** is also associated with other medical conditions such as obesity,diabetes mellitus(DM),metabolic syn-drome,hypertension,insulin resistance,hyperlipidemia,and cardiovascular disease(CVD).In diabetes,chronic hyperglycemia contributes to the development of both macro-and microvascular conditions through a variety of metabolic ***,it can cause a variety of metabolic and hemodynamic conditions,including upregulated advanced glycation end-products(AGEs)*** our previous study,the most abundant type of toxic AGEs(TAGE);i.e.,glyceraldehyde-derived AGEs,were found to make a significant contribution to the pathogenesis of DM-induced ***,accumulating evidence suggests that the binding of TAGE with their receptor(RAGE)induces oxidative damage,promotes inflammation,and causes changes in intracellular signaling and the expression levels of certain genes in various cell populations including hepatocytes and hepatic stellate *** of these effects could facilitate the pathogenesis of hypertension,cancer,diabetic vascular complications,CVD,dementia,and ***,inhibiting TAGE synthesis,preventing TAGE from binding to RAGE,and downregulating RAGE expression and/or the expression of associated effector molecules all have potential as therapeutic strategies against ***,we examine the contributions of RAGE and TAGE to various conditions and novel treatments that target them in order to prevent the development and/or progression of NASH.

关键词： alcoholic NASH glycation AGEs fructose pathogenesis inhibiting stellate microvascular obesity