Abstract
The hypothalamus express different neuropeptides that control different aspects of body homeostasis. The arcuate nucleus is a hypothalamic region composed of two populations of neurons involved with energy homeostasis: orexigenic (NPY/AGRP), which stimulate food intake and anorectic (POMC/CART), which inhibit food intake. Leptin, one of the signaling hormones of these neurons, acts throug…