Amino Acid Sequence Met-Glu-His-Phe-Arg-Trp-Gly Other Notes Core fragment of ACTH, α- and β-MSH, and β-lipotropin Quality Lacks adrenocorticotropic activity. Biochem/physiol Actions Adrenocorticotropic Hormone Fragment 4-10 (ACTH (4-10)) attenuates ischemia/reperfusion-induced cardiac injury via reduction in infarct size, caspase 3 activity, and apoptosis, and an increase in HO-1 expression. ACTH 4-10 is a melanocortin 4 receptor (MCR-4) agonist. ACTH 4-10 facilitates active and passive avoidance acquisition, improves short term memory consolidation, and promotes memory retrieval. ACTH 4-10 and semax are analogues. |