the ability of two proopiomelanocortin-derived peptides , alpha msh and corticotropin-like intermediate lobe peptide ( clip ) [ acth ( 18-39 ) ] to antagonize the stimulation of prl secretion by beta-endorphin ( beta ep ) was studied in the rat .
C0033195
proopiomelanocortin
C0056374
corticotropin-like intermediate lobe peptide