corticotropin-releasing factor ( crf ) and both human pancreatic growth hormone-releasing factor ( hp-grf ) and rat hypothalamic grf ( rh-grf ) stimulated acth release from neoplastic att-20 mouse pituitary tumor cells in a dose-dependent fashion , with crf inducing a 10-fold increase and grf a maximal increment of approximately one-half that of crf .
C0020663
hypothalamic
C0023610
grf