نتایج جستجو برای: cyp2d6
تعداد نتایج: 2395 فیلتر نتایج به سال:
Cytochrome P450 2D6 (CYP2D6) is a highly polymorphic enzyme that catalyzes the metabolism of a great number of therapeutic drugs. Up to now, >100 allelic variants of CYP2D6 have been reported. Recently, we identified 22 novel variants in the Chinese population in these variants. The purpose of this study was to examine the enzymatic activity of the variants toward the CYP2D6 substrate carvedilo...
(S,S)-3-[3-(Methylsulfonyl)phenyl]-1-propylpiperidine hydrochloride [(-)-OSU6162] is a weak dopamine D2 receptor modulator that possesses potential for the treatment of levodopa (L-DOPA)-induced dyskinesias in patients with Parkinson's disease. In this report, incubations with human liver microsomes revealed that (-)-OSU6162 is selectively metabolized via N-dealkylation to yield N-depropyl (-)-...
MOTIVATION CYP2D6 is highly polymorphic gene which encodes the (CYP2D6) enzyme, involved in the metabolism of 20-25% of all clinically prescribed drugs and other xenobiotics in the human body. CYP2D6 genotyping is recommended prior to treatment decisions involving one or more of the numerous drugs sensitive to CYP2D6 allelic composition. In this context, high-throughput sequencing (HTS) technol...
The paper by Chen et al. (1) proposes to test the hypothesis that individuals with reduced levels of CYP2D6 (debrisoquine 4-hydroxylase) activity will have a lower risk of anogenital cancer associated with exposure to the tobacco-specific nitrosamine NNK. NNK is a potent carcinogen associated with tobacco-induced cancers in humans. Their rationale is that CYP2D6 can metabolically activate NNK t...
Aim. Evaluation of the effect polymorphisms CYP2D6, CYP2C8 genes on efficacy and safety postoperative analgesia with ketoprofen in patients coronary artery disease after cardiac surgery. Material methods . The study included 90 an established diagnosis period Patients received 100 mg intramuscularly 2 times a day for 5 days. intensity pain was rated by Numeric Rating Scale. severity dyspepsia a...
Metoprolol, a commonly prescribed β-blocker, is primarily metabolized by cytochrome P450 2D6 (CYP2D6), an enzyme with substantial genetic heterogeneity. Several smaller studies have shown that metoprolol pharmacokinetics is influenced by CYP2D6 genotype and metabolizer phenotype. To increase robustness of metoprolol pharmacokinetic estimates, a systematic review and meta-analysis of pharmacokin...
The presence of polymorphisms in the CYP2D6 gene may modulate enzyme level and activity, thereby affecting individual responses to pharmacological treatment. Here, we compared the prevalence of the CYP2D6*10, *4, and 14* alleles in an Iranian population of different ethnicities with those of other populations. Allele and genotype frequency distributions of CYP2D6*10 variants and predicted pheno...
مقدمه و هدف: آنزیم cyp2d6، یکی از مهم ترین اعضا خانواده cytochrome p450 است که نقش مهمی در متابولیسم بسیاری از داروها دارد .این ژن، هتروژنی آللی زیادی را نشان می دهد که باعث تغییرات بزرگ بین فردی در یک جمعیت می گردد، به طوری که افراد به سه گروه متابولیزه کننده شدید، متوسط و متابولیزه کننده ضعیف دارویی طبقه بندی می شوند. آلل 4* ژن cyp2d6، یکی از شایع ترین آللهای پلی مورفیک ژن cyp2d6 می باشد که ...
BACKGROUND AND OBJECTIVE The anti-oestrogen tamoxifen requires metabolic activation to endoxifen by cytochrome P450 (CYP) enzymes, predominantly CYP2D6. Potent CYP2D6-inhibiting antidepressants can seriously disrupt tamoxifen metabolism, probably influencing the efficacy of tamoxifen. For this reason, paroxetine and fluoxetine are recommended not to be used with tamoxifen in breast cancer patie...
AIMS A prospectively enrolled patient cohort was used to assess whether the prediction of CYP2D6 phenotype activity from genotype data could be improved by reclassification of diplotypes or alleles. METHODS Three hundred and fifty-five patients receiving tamoxifen 20 mg were genotyped for CYP2D6 and tamoxifen metabolite concentrations were measured. The endoxifen : N-desmethly-tamoxifen metab...
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