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Cytochrome P450, family 2, subfamily D, polypeptide 6

CYP2D6, cytochrome P450 2D6
This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. This protein localizes to the endoplasmic reticulum and is known to metabolize as many as 20% of commonly prescribed drugs. Its substrates include debrisoquine, an adrenergic-blocking drug; sparteine and propafenone, both anti-arrythmic drugs; and amitryptiline, an anti-depressant. The gene is highly polymorphic in the population; certain alleles result in the poor metabolizer phenotype, characterized by a decreased ability to metabolize the enzyme's substrates. The gene is located near two cytochrome P450 pseudogenes on chromosome 22q13.1. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008] (from NCBI)
Top mentioned proteins: CYP3A4, Cyp, CYP2C19, CYP1A1, CYP2C9
Papers on CYP2D6
Genetic polymorphism of CYP2D6 in patients with systemic lupus erythematosus and systemic sclerosis.
Waszczykowska et al., Łódź, Poland. In Autoimmunity, Feb 2016
The aim of the study was to evaluate the CYP2D6 polymorphism in the SLE (systemic lupus erythematosus) and SSc (systemic sclerosis) patients and to investigate a possible correlation with disease susceptibility.
Impact of CYP2D6 Polymorphism on Steady-State Plasma Levels of Risperidone and 9-Hydroxyrisperidone in Thai Children and Adolescents with Autism Spectrum Disorder.
Sukasem et al., Bangkok, Thailand. In J Child Adolesc Psychopharmacol, Feb 2016
OBJECTIVE: The purpose of this study was to investigate the influence of CYP2D6 gene polymorphisms on plasma concentrations of risperidone and its metabolite in Thai children and adolescents with autism spectrum disorder (ASD).
The pharmacogenetics of opioid therapy in the management of postpartum pain: a systematic review.
Koren et al., Toronto, Canada. In Pharmacogenomics, Jan 2016
This systematic review reveals that CYP2D6, OPRM1 A118G, UGT2B7 C802T and ABCB1 G2677AT may contribute to postpartum analgesia or adverse events.
ssODN-mediated knock-in with CRISPR-Cas for large genomic regions in zygotes.
Mashimo et al., Kyoto, Japan. In Nat Commun, Dec 2015
Finally, three gRNAs and two ssODNs replace 58-kb of the rat Cyp2d cluster with a 6.2-kb human CYP2D6 gene.
Interaction of the CYP1A1 gene polymorphism and smoking in non-small cell lung cancer susceptibility.
Liu et al., Jingmen, China. In Genet Mol Res, Dec 2015
Currently, most research has investigated the GSTM1, XRCC1, XRCC3, CYP2D6, and C188T genes.
The toxicology of new psychoactive substances Synthetic cathinones and phenylethylamines.
Kronstrand et al., Linköping, Sweden. In Ther Drug Monit, Dec 2015
In vitro studies have shown that many cathinones and phenylethylamines are metabolized by CYP2D6 enzymes.
Impact of physiological, pathological and environmental factors on the expression and activity of human cytochrome P450 2D6 and implications in precision medicine.
Zhou et al., Guiyang, China. In Drug Metab Rev, Nov 2015
With only 1.3-4.3% in total hepatic CYP content, human CYP2D6 can metabolize more than 160 drugs.
Clinical Implications of Opioid Pharmacogenomics in Patients With Cancer.
McLeod et al., Asheville, United States. In Cancer Control, Oct 2015
Although it has not been studied in patients with cancer-related pain, the effect of CYP2D6 variation is well characterized with codeine and tramadol.
Effect of acute paraquat poisoning on CYP450 isoforms activity in rats by cocktail method.
Ma et al., Lishui, China. In Int J Clin Exp Med, 2014
The influence of acute paraquat poisoning on the activities of CYP450 isoforms CYP2B6, CYP1A2, CYP2C9, CYP2D6, CYP3A4 and CYP2C19 were evaluated by cocktail method, they were responded by the changes of pharmacokinetic parameters of bupropion, phenacetin, tolbutamide, metoprolol, midazolam and omeprazole.
Role of Metabolic Enzymes P450 (CYP) on Activating Procarcinogen and their Polymorphisms on the Risk of Cancers.
Feng et al., Tianjin, China. In Curr Drug Metab, 2014
While for CYP2B6 and CYP2D6, only a minor role has been found in procarcinogens activation.
Nicotine and 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone binding and access channel in human cytochrome P450 2A6 and 2A13 enzymes.
Scott et al., Lawrence, United States. In J Biol Chem, 2012
Although both the hepatic CYP2A6 and respiratory CYP2A13 enzymes metabolize these compounds, CYP2A13 does so with much higher catalytic efficiency, but the structural basis for this has been unclear
Relationships between CYP2D6 phenotype, breast cancer and hot flushes in women at high risk of breast cancer receiving prophylactic tamoxifen: results from the IBIS-I trial.
Cuzick et al., London, United Kingdom. In Br J Cancer, 2012
Data from the preventive IBIS-I study did not support an association between the CYP2D6 phenotype and breast cancer outcome.
Genetic polymorphisms of CYP2D6 increase the risk for recurrence of breast cancer in patients receiving tamoxifen as an adjuvant therapy.
Adithan et al., Pondicherry, India. In Cancer Chemother Pharmacol, 2012
Data suggest that reduced CYP2D6 activity is associated with poor treatment outcomes, in terms of increased risk of recurrence and shorter recurrence free survival, in breast cancer patients on adjuvant tamoxifen therapy.
Cytochrome P450 2D6 polymorphism is a molecular genetic marker of liver cirrhosis progression.
Lyakhovich et al., Novosibirsk, Russia. In Bull Exp Biol Med, 2012
There is an association between CYP2D6 (1846G/A) genotype and rapid liver cirrhosis development.
Significance of genetic polymorphism of CYP2D6 in the pathogenesis of systemic sclerosis.
Skrętkowicz et al., Łódź, Poland. In Pharmacol Rep, 2011
The obtained results may suggest the influence of CYP2D6*4 gene mutated alleles on increased incidence of systemic sclerosis.
Genotype-guided tamoxifen dosing increases active metabolite exposure in women with reduced CYP2D6 metabolism: a multicenter study.
Carey et al., Chapel Hill, United States. In J Clin Oncol, 2011
PURPOSE: We examined the feasibility of using CYP2D6 genotyping to determine optimal tamoxifen dose and investigated whether the key active tamoxifen metabolite, endoxifen, could be increased by genotype-guided tamoxifen dosing in patients with intermediate CYP2D6 metabolism.
Dextromethorphan as a phenotyping test to predict endoxifen exposure in patients on tamoxifen treatment.
Mathijssen et al., Rotterdam, Netherlands. In J Clin Oncol, 2011
PURPOSE: Tamoxifen, a widely used agent for the prevention and treatment of breast cancer, is mainly metabolized by CYP2D6 and CYP3A to form its most abundant active metabolite, endoxifen.
Germline genetic variation, cancer outcome, and pharmacogenetics.
Liu et al., Toronto, Canada. In J Clin Oncol, 2010
Putative germline pharmacogenetic predictors of outcome include DPYD polymorphisms and fluorouracil toxicity, UGT1A1 variation and irinotecan toxicity, and CYP2D6 polymorphisms and tamoxifen efficacy, with emerging data on predictors of molecularly targeted or biologic drugs.
Coprescription of tamoxifen and medications that inhibit CYP2D6.
Goetz et al., Rochester, United States. In J Clin Oncol, 2010
Evidence has emerged that the clinical benefit of tamoxifen is related to the functional status of the hepatic metabolizing enzyme cytochrome P450 2D6 (CYP2D6).
Effect of concomitant CYP2D6 inhibitor use and tamoxifen adherence on breast cancer recurrence in early-stage breast cancer.
Guchelaar et al., Leiden, Netherlands. In J Clin Oncol, 2010
This observational study did not show an association between concomitant CYP2D6 inhibitor use and breast cancer recurrence among patients treated with adjuvant tamoxifen.
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