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Study of the new insulin action in the peripheral tissues

Research Project

Project/Area Number 23591313
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Metabolomics
Research InstitutionKumamoto University

Principal Investigator

YOSHIZAWA TATSUYA  熊本大学, 大学院生命科学研究部, 講師 (40313530)

Project Period (FY) 2011 – 2013
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2012: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2011: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywordsインスリン / 糖代謝 / シグナル伝達 / 糖尿病 / 腸管
Research Abstract

Gut is the tissue that is important to glucose metabolism, but it is not clear about the insulin action to gut. Therefore applicants generated the gut-specific insulin acceptor knockout (IR gutKO) mice and analyzed influence on glucose metabolism.
Because IR gutKO mice showed impaired glucose tolerance in the glucose tolerance test, it was revealed that the insulin action to gut played an important role in glucose metabolism. In addition, expressions of many genes concerned with immunoreaction were changed in the duodenum of the IR gutKO mice by the result of the DNA micro array analysis. These results suggest that an enteric insulin signal modulate immune system and change intestinal flora, thereby controlling glucose metabolism.

Report

(4 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • 2011 Research-status Report

URL: 

Published: 2011-08-05   Modified: 2019-07-29  

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