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Ghrelin is a newly discovered peptide that is released from the stomach and from neurons in the hypothalamic arcuate nucleus (ARC) and potently stimulates growth hormone release and food intake.(More)
Orexin-A and -B (hypocretin-1 and -2) have been implicated in the stimulation of feeding. Here we show the effector neurons and signaling mechanisms for the orexigenic action of orexins in rats.(More)