1. Ras activator nucleic acid molecules - guanine nucleotide releasing factor grf4, polypeptides and methods of use

2. Where the antagonists were effective, the growth hormone-releasing factor induced increase in cAMP accumulation was augmented.

3. Human placenta is a major source of corticotropin-releasing factor (CRF), and local effects of CRF in fetal membranes and placenta have been shown, i.e., adrenocorticotropic hormone (ACTH) and oxytocin release from cultured placental cells, as well as prostaglandin release from amnion, Chorion …