Article
Heterozygous gsp mutation renders ion channels of human somatotroph adenoma cells unresponsive to growth hormone-releasing hormone.
Endocrinology - 1 May 1999
Yasufuku-Takano J, Takano K, Takei T, Fukumoto S, Teramoto A, Takakura K, Yamashita N, Fujita T
Abstract excerpt
Ionic mechanisms play an important role in the regulation of hormone secretion. The GHRH-induced GH release by human GH-secreting cells is transmitted through protein kinase A (PKA), which activates nonselective cation current (NSCC) and induces membrane depolarization, intracellular Ca2+ increase, and GH secretion. To evaluate whether ionic mechanisms have pathophysiological significance in GH oversecretion of...
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