PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30154658-7 2018 Results: We found that administration of ketamine with ethanol led to a significant increase of DA in the VTA associated with differential regulation of mRNA levels of the four DA metabolism genes and protein levels of brain-derived neurotrophic factor. Ketamine 41-49 brain-derived neurotrophic factor Rattus norvegicus 219-252