PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18280134-6 2008 Treatment with RA induced increases in OAT gene expression and enzymatic activity, which resulted in decreased intracellular concentrations of ornithine and polyamines (putrescine, spermidine and spermine) in a dose-dependent manner. Spermidine 181-191 ornithine aminotransferase Homo sapiens 39-42