PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17498391-1 2007 PURPOSE: The purpose of this study was to quantify the intestinal metabolism of midazolam, a CYP P450 substrate, usually used as a probe for the activity of the isoform CYP3A4/1 and to compare it with previous results obtained for other P450 substrates such as testosterone, dextromethorphan and bupropion, which show some specificities for different CYP isoforms. Bupropion 296-305 cytochrome P450, family 3, subfamily a, polypeptide 23-polypeptide 1 Rattus norvegicus 169-177 17498391-1 2007 PURPOSE: The purpose of this study was to quantify the intestinal metabolism of midazolam, a CYP P450 substrate, usually used as a probe for the activity of the isoform CYP3A4/1 and to compare it with previous results obtained for other P450 substrates such as testosterone, dextromethorphan and bupropion, which show some specificities for different CYP isoforms. Bupropion 296-305 cytochrome P450, family 3, subfamily a, polypeptide 23-polypeptide 1 Rattus norvegicus 169-172 21121944-5 2011 The Phase I metabolism of the established marker drugs: midazolam, bupropion and dextromethorphan were measured by LC-MS and confirmed the activities of the 3A, 2B and 2D families of CYP isoforms, respectively. Bupropion 67-76 cytochrome P450, family 3, subfamily a, polypeptide 23-polypeptide 1 Rattus norvegicus 183-186