Circulating leptin is transported into the central nervous system to signal through long form receptors, located on cell bodies, such as neuropeptide Y (NPY) neurones, in the lateral hypothalamus.

• 能流通的瘦素被传送到中枢神经系统，通过定位在细胞体上的长形受体发出信号，此类细胞体比如在视丘下部后侧的神经肽Y(NPY)神经元。