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Central Nervous System Regulation of Adrenocorticotropin Secretion: Role of Somatostatins*

Marvin R. Brown, Catherine Rivier, Wylie Vale

Open publisher page 102 citations

Abstract

Somatostatin-28 (SS-28) and desAA1,2,4,5,12,13[D-Trp8]somatostatin (ODT8-SS), but not somatostatin-14, given intracerebroventricularly, but not when given iv, inhibit stress-induced pituitary ACTH and adrenomedullary epinephrine secretion in rats. The elevation of ACTH after tail-suspension stress is totally prevented by iv administration of antisera raised against corticotropin-releasing factor (CRF). SS-28 and ODT8-SS do not inhibit CRF-induced ACTH secretion in vivo or in vitro. These results are consistent with the hypothesis that SS-28 and ODT8-SS prevent stress-induced ACTH secretion by inhibition of CRF release.

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What this paper is about

Somatostatin-28 (SS-28) and desAA1,2,4,5,12,13[D-Trp8]somatostatin (ODT8-SS), but not somatostatin-14, given intracerebroventricularly, but not when given iv, inhibit stress-induced pituitary ACTH and adrenomedullary epinephrine secretion in rats. The elevation of ACTH after tail-suspension stress is totally prevented by iv administration of antisera raised against corticotropin-releasing factor (CRF). SS-28 and ODT8-SS do not inhibit CRF-induced ACTH secretion in vivo or in vitro. These results are consistent with the hypothesis that SS-28 and ODT8-SS prevent stress-induced ACTH secretion by inhibition of CRF release.

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OpenAlex reports 102 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Somatostatin-28 (SS-28) and desAA1,2,4,5,12,13[D-Trp8]somatostatin (ODT8-SS), but not somatostatin-14, given intracerebroventricularly, but not when given iv, inhibit stress-induced pituitary ACTH and adrenomedullary epinephrine secretion in rats. The elevation of ACTH after tail-suspension stress is totally prevented by iv administration of antisera raised against corticotropin-releasing factor (CRF). SS-28 and ODT8-SS do not inhibit CRF-induced ACTH secretion in vivo or in vitro. These results are consistent with the hypothesis that SS-28 and ODT8-SS prevent stress-induced ACTH secretion by inhibition of CRF release.

Key concepts: Endocrinology, Internal medicine, Somatostatin, Secretion, ACTH secretion, Epinephrine, In vivo, Peptide hormone

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