Postnatal growth and, to a much lesser degree, intrauterinegrowth are critically dependent on the expression of the pituitarygrowth hormone GH-1 gene and the consequent generation of insulin-likegrowth factor I (IGF-I) in the liver and other tissues. Thesecretion of growth hormone is determined by an interplay betweengrowth hormonereleasing hormone and an inhibitory hormone,somatostatin.
Growth hormonereleasing hormone, which is secreted bythe arcuate nucleus and premamillary area of the hypothalamus,increases the synthesis as well as the secretion of growth hormone.Somatostatin is also secreted by the arcuate nucleus of thehypothalamus. Pituitary tissue contains a . . . [Full Text of this Article]
References
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