نتایج جستجو برای: abcb1 polymorphism
تعداد نتایج: 109304 فیلتر نتایج به سال:
Ovarian cancer is currently the most lethal gynecologic malignancy in developed countries, and paclitaxel is a cornerstone in the treatment of this malignancy. Unfortunately, the efficacy of paclitaxel is limited by the development of drug resistance. Clinical paclitaxel resistance is often associated with ABCB1 (MDR1) overexpression, and in vitro paclitaxel resistance typically demonstrates ov...
Variants in donor multidrug resistance protein 1 (ABCB1) and caveolin 1 (CAV1) genes are associated with renal allograft failure after transplantation in Europeans. Here we assessed transplantation outcomes of kidneys from 368 African American (AA) and 314 European American (EA) deceased donors based on 38 single-nucleotide polymorphisms (SNPs) spanning ABCB1 and 16 SNPs spanning CAV1, includin...
P-glycoprotein (P-gp), the product of ABCB1 gene, is thought to play a role in the biliary excretion of a variety of drugs, but specific studies in dogs have not been performed. Because a number of endogenous (ABCB1 polymorphisms) and exogenous (pharmacological P-gp inhibition) factors can interfere with normal P-gp function, a better understanding of P-gp's role in biliary drug excretion is cr...
Multidrug resistance (MDR) remains a formidable challenge in the use of chemotherapy and represents a powerful obstacle to the treatment of leukemia. ATP-binding cassette subfamily B member 1 (ABCB1) is a recognized factor which causes MDR and is closely related to poor outcome and relapse in leukemia. Ongoing research concerning the strategy for inhibiting the abnormally high activity of the A...
Genetic variation in ABCB1, encoding P-glycoprotein (P-gp), is a potential cause of interindividual variation in drug response. Numerous studies have focused on the effects of coding region variants on P-gp expression and function, whereas few noncoding region variants have been investigated. The 3'-untranslated region (UTR) regulates mRNA levels or stability via RNA-protein interactions with m...
Multidrug resistance (MDR), a common cause of chemotherapeutic failure, is associated with the expression of P-glycoprotein (P-gp), encoded for by ABCB1, the multidrug resistance gene. Our purpose was to determine whether ABCB1 expression is expressed after exposure of two canine lymphoid cell lines to prednisolone or enrofloxacin. Two established lymphoid cell lines (GL-1, 17-71) were cultured...
Purpose: Previous studies show that inhibition of ABCB1 expression overcomes acquired docetaxel resistance in C4-2BTaxR cells. In this study, we examined whether antiandrogens, such as bicalutamide and enzalutamide, could inhibit ABCB1 activity and overcome resistance to docetaxel. Experimental Design: ABCB1 efflux activity was determined using a rhodamine efflux assay. ABCB1 ATPase activity wa...
Medical Department, and Clinical Biochemical Department, Viborg Regional Hospital, DK-8800 Viborg, Danish Cancer Society, Institute of Cancer Epidemiology, DK-2100 Copenhagen Department of Clinical Epidemiology, Aarhus University Hospital, DK-9100 Aalborg National Research Centre for the Working Environment, DK-2100 Copenhagen, National Food Institute, Technical University of Denmark, DK-2860 S...
PURPOSE Acute myelogenous leukemia (AML) is a disease originating from normal hematopoietic CD34+ CD38- progenitor cells. Modulation of the multidrug ATP-binding cassette transporter ABCB1 has not resulted in improved outcome in AML, raising the question whether leukemic CD34+ CD38- cells are targeted by this strategy. EXPERIMENTAL DESIGN ABCB1-mediated transport in leukemic CD34+ CD38- cells...
Sildenafil is a potent and selective inhibitor of the type 5 cGMP (cyclic guanosine 3',5'-monophosphate)-specific phosphodiesterase that is used clinically to treat erectile dysfunction and pulmonary arterial hypertension. Here, we report that sildenafil has differential effects on cell surface ABC transporters such as ABCB1, ABCC1, and ABCG2 that modulate intracompartmental and intracellular c...
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