PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9157990-1 1997 The anticancer oxazaphosphorine prodrugs cyclophosphamide and ifosfamide are activated in human liver by a 4-hydroxylation reaction catalyzed by multiple cytochrome P450 (CYP) enzymes. oxazaphosphorine 15-31 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 154-169 10348794-1 1999 The contributions of specific human liver cytochrome P-450 (CYP) enzymes to the activation, via 4-hydroxylation, of the oxazaphosphorine anticancer prodrugs cyclophosphamide (CPA) and ifosfamide (IFA) were investigated. oxazaphosphorine 120-136 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 42-58 10348794-1 1999 The contributions of specific human liver cytochrome P-450 (CYP) enzymes to the activation, via 4-hydroxylation, of the oxazaphosphorine anticancer prodrugs cyclophosphamide (CPA) and ifosfamide (IFA) were investigated. oxazaphosphorine 120-136 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 60-63 9157990-8 1997 These studies: (a) demonstrate an underlying metabolic basis for the clinically important oxazaphosphorine autoinduction pharmacokinetics seen with these drugs in cancer patients; and (b) identify rifampin and other CYP inducers as potentially useful for increasing the rates of cyclophosphamide 4-hydroxylation and ifosfamide 4-hydroxylation in human liver in a manner that could favorably impact the clinical pharmacokinetics of these anticancer prodrugs. oxazaphosphorine 90-106 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 216-219 9157990-1 1997 The anticancer oxazaphosphorine prodrugs cyclophosphamide and ifosfamide are activated in human liver by a 4-hydroxylation reaction catalyzed by multiple cytochrome P450 (CYP) enzymes. oxazaphosphorine 15-31 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 171-174