the natural peptides structurally related to porcine secretin ( psn ) included : chicken secretin ( csn ) , vasoactive intestinal peptide ( vip ) , porcine peptide with n-terminal histidine and c-terminal isoleucine amide ( phi ) , helodermin , growth hormone releasing factors isolated from the rat hypothalamus ( rhgrf-43 , rhgrf-29 ) or from a human pancreatic tumour ( hpgrf-40 ) .
C0037668
growth
C0020663
hypothalamus