Protein Information

Name CYP1A2
Synonyms CP12; CYP1A2; CYPIA 2; CYPIA2; Cytochrome P450 1A2; Dioxin inducible P3 450; P(3)450; P3 450…

Compound Information

Name parathion
CAS

Reference List

PubMed Abstract RScore(About this table)
16757081 Mutch E, Williams FM: Diazinon, chlorpyrifos and parathion are metabolised by multiple cytochromes P450 in human liver. Toxicology. 2006 Jul 5;224(1-2):22-32. Epub 2006 Apr 26.

There were significant relationships between paraoxon formation from parathion (5 microM, 20 microM and 200 microM) and the CYP3A4/5, CYP2C8 and CYP1A2 mediated reactions, although only the latter two isoforms correlated significantly with the lowest parathion concentration.
31(0,1,1,1) Details
12620367 Buratti FM, Volpe MT, Meneguz A, Vittozzi L, Testai E: CYP-specific bioactivation of four organophosphorothioate pesticides by human liver microsomes. Toxicol Appl Pharmacol. 2003 Feb 1;186(3):143-54.

The bioactivation of azinphos-methyl (AZIN), chlorpyrifos (CPF), diazinon (DIA), and parathion (PAR), four widely used organophosphorothioate (OPT) pesticides has been investigated in human liver microsomes (HLM).
Oxon formation in phenotyped individual HLM showed a significant correlation with CYP1A2-, 3A4-, and 2B6-related activities, at different levels depending on the OPT concentration.
4(0,0,0,4) Details
15557345 Buratti FM, D'Aniello A, Volpe MT, Meneguz A, Testai E: Malathion bioactivation in the human liver: the contribution of different cytochrome p450 isoforms. Drug Metab Dispos. 2005 Mar;33(3):295-302. Epub 2004 Nov 22.

These results are in line with those found with chlorpyrifos, diazinon, azynphos-methyl, and parathion, characterized by the presence of an aromatic ring in the molecule.
Results from different approaches indicated that, at low malathion concentration, malaoxon formation is catalyzed by CYP1A2 and, to a lesser extent, 2B6, whereas the role of 3A4 is relevant only at high malathion levels.
2(0,0,0,2) Details
17079358 Foxenberg RJ, McGarrigle BP, Knaak JB, Kostyniak PJ, Olson JR: Human hepatic cytochrome p450-specific metabolism of parathion and chlorpyrifos. Drug Metab Dispos. 2007 Feb;35(2):189-93. Epub 2006 Nov 1.

CYP1A2, 2B6, 2C9, 2C19, 3A4, 3A5, and 3A7 were found to be active to a widely varying degree in parathion metabolism, whereas all, with the exception of CYP2C9, were also found to be active in chlorpyrifos metabolism.
1(0,0,0,1) Details
9023313 Butler AM, Murray M: Biotransformation of parathion in human liver: participation of CYP3A4 and its inactivation during microsomal parathion oxidation. J Pharmacol Exp Ther. 1997 Feb;280(2):966-73.

0(0,0,0,0) Details
9928630 Ramos S, Sultatos L: Flavonoid-induced alterations in cytochrome P450-dependent biotransformation of the organophosphorus insecticide parathion in the mouse. Toxicology. 1998 Nov 16;131(2-3):155-67.

0(0,0,0,0) Details