Study of Insulin resistance involving impaired GLUT4 translocation
Project/Area Number |
22590969
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Metabolomics
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Research Institution | Tohoku University |
Principal Investigator |
KANZAKI Makoto 東北大学, 大学院・医工学研究科, 准教授 (10272262)
|
Project Period (FY) |
2010 – 2012
|
Project Status |
Completed (Fiscal Year 2012)
|
Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2010: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
|
Keywords | GLUT4 / 細胞内小胞輸送系 / 骨格筋 / 脂肪細胞 / 細胞内情報伝達系 / Vps10p / イメージング / 肥満 / 2型糖尿病 / 運動効果 / ソーティング / 細胞内小胞輸送 / 細胞内シグナル伝達 / インスリン抵抗性 / ソーティング障害 / ゴルジ体 / 筋細胞 / Sortlin / 2型糖尿病 |
Research Abstract |
Defective insulin-responsive GLUT4 translocation is the earliest detectable feature of insulin resistance. Biochemical and nanometrological analyses herein revealed that sortilin, a member of the Vps10p-family sorting receptor, plays a critical role in establishing trans-Golgi network system specialized for generating the insulin-responsive GLUT4-strage vesicles that emerged to be severely deranged under certain insulin resistant conditions. This study thereby unmasks that insulin resistance is caused by not only defects in insulin signaling but also impairment of GLUT4 trafficking itself (“sorting disorder").
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Report
(4 results)
Research Products
(56 results)
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[Journal Article] Spatiotemporally controlled contraction of micropatterned skeletal musclecells on a hydrogel sheet2011
Author(s)
Nagamine K, Kawashima T, Sekine S, Ido Y,Takeda M, Otani S, Kumagai Y, Kanzaki, M, Nishizawa, M
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Journal Title
Lab on aChip
Volume: 11(3)
Issue: 3
Pages: 513-517
DOI
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Peer Reviewed
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[Presentation] Impact of Akt1 and 2 on TBC1D1/D4 in response to glucose in beta-cells2012
Author(s)
Rutti, S., Kaddai, V., Negro, V., Kanzaki,M., Halban, PA., Bouzakri, K.
Organizer
48^<th> Annual Meeting of the European Association for the Studyof Diabetes. EASD meeting
Place of Presentation
Berlin, Germany
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