in order to elucidate the mechanisms by which prostaglandin ( pg ) affects prl secretion , the effect of pge1 on vasoactive intestinal polypeptide ( vip ) release from the rat hypothalamus was examined by determining plasma vip levels in rat hypophysial portal blood in vivo and vip release from the perifused hypothalamus in vitro .
C0033554
prostaglandin
C0002335
pge1