Effect of methanol, ethanol, dimethyl sulfoxide, and acetonitrile on in vitro activities of cDNA-expressed human cytochromes P-450.

Article Details

Citation

Busby WF Jr, Ackermann JM, Crespi CL

Effect of methanol, ethanol, dimethyl sulfoxide, and acetonitrile on in vitro activities of cDNA-expressed human cytochromes P-450.

Drug Metab Dispos. 1999 Feb;27(2):246-9.

PubMed ID
9929510 [ View in PubMed
]
Abstract

The effects of methanol, ethanol, dimethyl sulfoxide (DMSO), and acetonitrile were studied in vitro on nine individual, cDNAexpressed cytochrome P-450 activities (phenacetin O-deethylase for CYP1A1 and CYP1A2, coumarin 7-hydroxylase for CYP2A6, testosterone 6beta-hydroxylase for CYP3A4, 7-ethoxy-4-trifluoromethylcoumarin deethylase for CYP2B6, paclitaxel 6alpha-hydroxylase for CYP2C8, diclofenac 4'-hydroxylase for CYP2C9, S-mephenytoin 4-hydroxylase for CYP2C19, and (+/-)-bufuralol 1'-hydroxylase for CYP2D6) in commercially available human lymphoblastoid microsomes. These data show that specific solvents have enzyme-selective effects on P-450 activities. Methanol did not substantially inhibit (

DrugBank Data that Cites this Article

Drug Enzymes
DrugEnzymeKindOrganismPharmacological ActionActions
Dimethyl sulfoxideCytochrome P450 2C19ProteinHumans
Unknown
Inhibitor
Details
Dimethyl sulfoxideCytochrome P450 2D6ProteinHumans
Unknown
Inhibitor
Details
Dimethyl sulfoxideCytochrome P450 3A4ProteinHumans
Unknown
Inhibitor
Details
EthanolCytochrome P450 1A1ProteinHumans
Unknown
Inhibitor
Details
EthanolCytochrome P450 2B6ProteinHumans
Unknown
Inhibitor
Details
EthanolCytochrome P450 2C19ProteinHumans
Unknown
Inhibitor
Details
EthanolCytochrome P450 3A4ProteinHumans
Unknown
Substrate
Inhibitor
Inducer
Details