Title : Hypothalamic-pituitary adrenal response to cholecystokinin-B receptor agonism is resistant to cortisol feedback inhibition.

Pub. Date : 2003 Feb

PMID : 12510010






3 Functional Relationships(s)
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1 Intravenous injection of the cholecystokinin (CCK)-B receptor agonist, pentagastrin, produces robust, dose-dependent release of adrenocorticotropin (ACTH) and cortisol, supporting the hypothesis that CCK-B agonists pharmacologically activate the hypothalamic-pituitary-adrenal (HPA) axis. Pentagastrin proopiomelanocortin Homo sapiens
2 Preliminary data suggest that the ACTH response to pentagastrin may be differentiated from the response to exogenous corticotropin releasing hormone (CRH) by its relative resistance to cortisol feedback inhibition. Pentagastrin proopiomelanocortin Homo sapiens
3 ACTH responses to pentagastrin were identical in the morning and afternoon, despite substantial differences in basal cortisol levels. Pentagastrin proopiomelanocortin Homo sapiens