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From Bioinactive ACTH to ACTH Antagonist: The Clinical Perspective.


ABSTRACT: The adrenocorticotropic hormone (ACTH) is a pituitary hormone derived from a larger peptide, the proopiomelanocortin (POMC), as are the MSHs (?-MSH, ?-MSH, and ?-MSH) and the ?-LPH-related polypeptides (Figure 1A). ACTH drives adrenal steroidogenesis and growth of the adrenal gland. ACTH is a 39 amino acid polypeptide that binds and activates its cognate receptor [melanocortin receptor 2 (MC2R)] through the two regions H6F7R8W9 and K15K16R17R18P19. Most POMC-derived polypeptides contain the H6F7R8W9 sequence that is conserved through evolution. This explains the difficulties in developing selective agonists or antagonists to the MCRs. In this review, we will discuss the clinical aspects of the role of ACTH in physiology and disease, and potential clinical use of selective ACTH antagonists.

SUBMITTER: Ghaddhab C 

PROVIDER: S-EPMC5296294 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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From Bioinactive ACTH to ACTH Antagonist: The Clinical Perspective.

Ghaddhab Chiraz C   Vuissoz Jean-Marc JM   Deladoëy Johnny J  

Frontiers in endocrinology 20170208


The adrenocorticotropic hormone (ACTH) is a pituitary hormone derived from a larger peptide, the proopiomelanocortin (POMC), as are the MSHs (α-MSH, β-MSH, and γ-MSH) and the β-LPH-related polypeptides (Figure 1A). ACTH drives adrenal steroidogenesis and growth of the adrenal gland. ACTH is a 39 amino acid polypeptide that binds and activates its cognate receptor [melanocortin receptor 2 (MC2R)] through the two regions H<sub>6</sub>F<sub>7</sub>R<sub>8</sub>W<sub>9</sub> and K<sub>15</sub>K<sub>  ...[more]

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