PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3297633-2 1987 Different neurotransmitters (Dopamine, serotonin, GABA...) and hormones (TRH, oestrogenes...) are involved in the central regulation of prolactin synthesis and release. Serotonin 39-48 prolactin Homo sapiens 136-145