PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16244494-2 2005 METHODS: We studied the action of leptin (0, 1, 10, or 100 ng/ml) and immunoneutralization of IGF-I using specific antiserum (0.1%) on the release of progesterone (P), estradiol (E), oxytocin (OT), IGF-I, IGFBP-3, and prostaglandins F (PGF) by these cells using radioimmunoassay/immunoradiometric assay. Progesterone 150-162 oxytocin/neurophysin I prepropeptide Homo sapiens 183-191