نتایج جستجو برای: abcb1 polymorphism
تعداد نتایج: 109304 فیلتر نتایج به سال:
We report a patient who presented a non-ST segment elevation myocardial infarction in the context of severe normocytic hypochromic anemia related to gastrointestinal bleeding, 3 months after switching anticoagulant from the vitamin K antagonist acenocoumarol to the direct oral anticoagulant rivaroxaban. High levels of both anti-Xa activity and rivaroxaban plasma concentrations were measured des...
BACKGROUND To investigate the contribution of multidrug resistance 1 (MDR1) gene pharmacogenetics (G2677T/A and C3435T) to the efficacy of azathioprine in inducing remission in patients with Crohn's disease (CD). METHODS A cohort of 327 unrelated Spanish patients with CD recruited from a single center was studied. All patients were rigorously followed up for at least 2 years (mean time, 11.5 ...
Background and Objectives: The most common treatment for opioid dependence is substitution therapy with another opioid such as methadone. The methadone dosage is individualized but highly variable, and program retention rates are low due in part to nonoptimal dosing resulting in withdrawal symptoms and further heroin craving and use. Methadone is a substrate for the P-glycoprotein transporter, ...
AIM Over-expression of some genes, such as MDR1, can increase the level of chemotherapy drug afflux and limit the effectiveness of treatment. We aimed to investigate the effect of MDR1 polymorphisms on its expression level and related characteristics in Iranian colorectal cancer patients. METHODS Tumor, normal mucosal tissue and blood samples from CRC patients and blood samples from healthy c...
The MDR1 multidrug transporter represents one of the better characterized drug transporters that play an important role in protecting the body against xenobiotic insults. Single nucleotide polymorphisms (SNPs) and SNP haplotypes within this gene have been variously associated with differences in MDR1 expression/function, drug response as well as disease susceptibility. Nonetheless, the effect o...
AIM The aim of this study was to determine the impact of CYP2C19 and ABCB1 gene polymorphisms and CYP3A4 isoenzyme activity on stent implantation complications among patients with an acute coronary syndrome (ACS) who underwent percutaneous coronary intervention (PCI). PATIENTS AND METHODS Seventy-six patients (median age 63, range 37-91 years) with an ACS who underwent PCI were screened for C...
PURPOSE The human ABCB1 gene encodes P-glycoprotein, which transports a broad range of anticancer drugs, including paclitaxel. Although the functional consequences of ABCB1 polymorphisms have been the subject of numerous studies, few have assessed the association with clinical outcome. EXPERIMENTAL DESIGN We assessed the association between the 2677G>T/A, 3435C>T, and 1236C>T ABCB1 polymorphi...
The formulation vehicle Cremophor EL has previously been shown to affect paclitaxel kinetics, but it is not known whether it also affects the kinetics of paclitaxel metabolites. This information may be important for understanding paclitaxel metabolism in vivo and in the investigation of the role of genetic polymorphisms in the metabolizing enzymes CYP2C8 and CYP3A4/CYP3A5 and the ABCB1 transpor...
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