نتایج جستجو برای: cytochrome p450 2d6
تعداد نتایج: 52141 فیلتر نتایج به سال:
Identification of Intracellular Sources Responsible for Endogenous Reactive Oxygen Species Formation
The endogenous reactive oxygen species ("ROS") formation is associated with many pathologic states such as inflammatory diseases, neurodegenerative diseases, brain and heart ischemic injuries, cancer, and aging. The purpose of this study was to investigate the endogenous sources for "ROS" formation in intact isolated rat hepatocytes, in particular, peroxisomal oxidases, monoamine oxidase, xanth...
Human cytochrome P450 (P450) 1B1 (CYP1B1) has recently been shown to be an important enzyme in the activation of diverse procarcinogens such as arylarenes, nitroarenes, and arylamines to reactive metabolites that cause DNA damage in the cells. However, it is not known whether this P450 enzyme also plays roles in the oxidation of certain drugs or model substrates commonly used in P450 assays. We...
The aim of the present study was to identify the metabolites of the new designer drug alpha-pyrrolidinovalerophenone (PVP) in rat urine using GC/MS techniques. Eleven metabolites of PVP could be identified suggesting the following metabolic steps: hydroxylation of the side chain followed by dehydrogenation to the corresponding ketone; hydroxylation of the 2''-position of the pyrrolidine ring fo...
Oxidative drug metabolism via the cytochrome P450 (CYP) system is a principle means of drug clearance. Several decades of studies have pointed to five CYP forms—CYP1A2, 2C9, 2C19, 2D6, and 3A—as those which are primarily responsible for human metabolism of small molecule (MW <1500) drugs and drug-like compounds.1 The absolute levels and CYP enzyme activities vary substantially among individual ...
BACKGROUND/AIM Recent data have indicated that the rs1080985 single nucleotide polymorphism (SNP) of the cytochrome P450 (CYP) 2D6 and the common apolipoprotein E (APOE) gene may affect the response to donepezil in patients with Alzheimer's disease (AD). We investigated this association in Chinese patients with mild-to-moderate AD. METHODS In this prospective cohort study, analyses of CYP2D6 ...
Brain tissue of 50 patients with morphological con®rmed Parkinson's disease (PD), blood samples from 149 patients with clinical parkinsonism and from 96 healthy control subjects were collected. Apolipoprotein-E (apo E) and cytochrome P450 2D6 (CYP2D6) genotyping were performed by PCR followed by restriction fragment analysis. A signi®cantly higher allele frequency of CYP2D6*4 was found in patie...
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