PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18023073-2 2008 The purpose of the present study was to determine whether the tyrosine hydroxylase (TH) val81met and catechol-O-methyltransferase (COMT) val158met polymorphisms are associated with the antidepressant effect of milnacipran, a serotonin/noradrenaline reuptake inhibitor. Serotonin 225-234 catechol-O-methyltransferase Homo sapiens 131-135