PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16257094-4 2006 The present study sought to evaluate the relationship between such behavioral endophenotypes in AD and genetic variations in dopamine- or serotonin-related genes, such as catechol-O-methyltransferase (COMT) or 5-HTT gene-linked promoter region (5-HTTLPR), and apolipoprotein E (APOE). Serotonin 138-147 catechol-O-methyltransferase Homo sapiens 171-199 16257094-4 2006 The present study sought to evaluate the relationship between such behavioral endophenotypes in AD and genetic variations in dopamine- or serotonin-related genes, such as catechol-O-methyltransferase (COMT) or 5-HTT gene-linked promoter region (5-HTTLPR), and apolipoprotein E (APOE). Serotonin 138-147 catechol-O-methyltransferase Homo sapiens 201-205