Recently, an endogenous ligand has been described for the growth hormone secretagogue receptor (GHS-R), named ghrelin. It was originally isolated from the stomach, but it is also present in the hypothalamus, where the highest concentration of GHS-R has been detected. It is well established that synthetic GHSs exert their effects on the growth hormone (GH) axis principally via the hypothalamus, although they are also able to stimulate GH release directly from the pituitary. We have previously ...Expand abstract
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Presence of ghrelin in normal and adenomatous human pituitary.
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