| Project/Area Number |
23790282
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Environmental physiology (including Physical medicine and Nutritional physiology)
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| Research Institution | National Institute for Physiological Sciences |
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Principal Investigator |
TODA Chitoku 生理学研究所, 発達生理学研究系, NIPS リサーチフェロー (70571199)
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| Project Period (FY) |
2011 – 2012
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| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2012: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2011: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Keywords | レプチン / 視床下部 / 腹内側核 / インスリン感受性 / 肝臓 / 筋肉 / 糖代謝 / 骨格筋 / 神経可塑性 |
|---|
| Research Abstract |
We found that letpin enhances insulin sensitivity in muscle and liver. MEK/ERK pathway and Jak/STAT3 pathway activated by leptin in the ventromedial hypothalamus (VMH) is required for the enhancement of insulin sensitivity in muscle and liver, respectively. After the activation of the VMH neuron by leptin, activation of POMC neuron in the arcuate nucleus in the hypothalamus and subsequent secretion of neuropeptide, alpha-MSH, toward VMH is important for the effect of leptin in muscle.
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