Leptin is encoded by the obese gene.It is mainly acts via a specific receptor located in the hypothalamus to decrease appetite and increase energy expenditure.

• 瘦素是肥胖基因编码的一种蛋白质产物,通过与其受体结合发挥抑制食欲、减少能量摄入、增加能量消耗的生物学作用。