G protein-coupled receptor 40 ( GPR40 ), a endogenous receptor of medium and long-chain free fatty acids , mediates double-phase effects of free fatty acids on glucose-stimulated insulin secretion .
G蛋白偶联受体40（GPR40）是中、长链游离脂肪酸的内源性受体。它介导了游离脂肪酸对葡萄糖刺激的胰岛素分泌的双时相效应。
endogenous medium