Protein Information

Name CYP3A4
Synonyms CP33; CYP3; HLP; CYP3A; CP34; CYP 3A4; CYP 3; CYP3A3…

Compound Information

Name DDT
CAS 1,1′-(2,2,2-trichloroethylidene)bis[4-chlorobenzene]

Reference List

PubMed Abstract RScore(About this table)
17035600 Medina-Diaz IM, Arteaga-Illan G, de Leon MB, Cisneros B, Sierra-Santoyo A, Vega L, Gonzalez FJ, Elizondo G: Pregnane X receptor-dependent induction of the CYP3A4 gene by o,p'-1,1,1,-trichloro-2,2-bis (p-chlorophenyl) ethane. Drug Metab Dispos. 2007 Jan;35(1):95-102. Epub 2006 Oct 11.

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15795092 Medina-Diaz IM, Elizondo G: Transcriptional induction of CYP3A4 by o,p'-DDT in HepG2 cells. Toxicol Lett. 2005 May 16;157(1):41-7.

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17692354 Petersen MS, Halling J, Damkier P, Nielsen F, Grandjean P, Weihe P, Brosen K: Polychlorinated biphenyl (PCB) induction of CYP3A4 enzyme activity in healthy Faroese adults. Toxicol Appl Pharmacol. 2007 Oct 15;224(2):202-6. Epub 2007 Jul 14.

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16764480 Mortensen AS, Arukwe A: The persistent DDT metabolite, 1,1-dichloro-2,2-bis (p-chlorophenyl) ethylene, alters thyroid hormone-dependent genes, hepatic cytochrome P4503A, and pregnane X receptor gene expressions in Atlantic salmon (Salmo salar) Parr. Environ Toxicol Chem. 2006 Jun;25(6):1607-15.


Thyroid-stimulating hormone (TSHbeta), T4 deiodinase (T4ORD), thyroid receptors (TRalpha and TRbeta), and insulin-like growth factor type 1 receptor (IGF-1R) were analyzed using quantitative (real-time) polymerase chain reaction in liver, brain, and kidney, whereas cytochrome P4503A (CYP3A) and pregnane X receptor (PXR) mRNA levels were analyzed only in the liver.
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16054614 Kretschmer XC, Baldwin WS: CAR and PXR: xenosensors of endocrine disrupters? . Chem Biol Interact. 2005 Aug 15;155(3):111-28.


Furthermore, PXR and CAR induce enzymes, such as the CYP2B and CYP3A family members, responsible for the metabolism of steroid and thyroid hormones and this may alter their normal physiological function.
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