نتایج جستجو برای: docetaxel
تعداد نتایج: 7198 فیلتر نتایج به سال:
PURPOSE To determine the maximum tolerated dose, dose-limiting toxicity, and pharmacokinetics of docetaxel infused over 1 hour when given in combination with oral zosuquidar to patients with resistant solid tumors. EXPERIMENTAL DESIGN In cycle 1, patients received docetaxel alone. In subsequent cycles, zosuquidar was administered with docetaxel, which was escalated from 75 to 100 mg/m2. Zosuq...
Resistance to docetaxel is a major clinical problem in advanced prostate cancer (PCa). Although glucocorticoids (GCs) are frequently used in combination with docetaxel, it is unclear to what extent GCs and their receptor, the glucocorticoid receptor (GR), contribute to the chemotherapy resistance. In this study, we aim to elucidate the role of the GR in docetaxel-resistant PCa in order to impro...
Background: Lung adenocarcinoma (LUAD) is the most common subtype of non-small cell lung cancer (NSCLC). Chemotherapy resistance main cause chemotherapy failure. Cullin7 (Cul7) highly expressed in LUAD and associated with poor prognosis. Moreover, Cul7 abnormally overexpressed docetaxel-resistant cells. Therefore, further exploration role molecular mechanism docetaxel necessary.
Docetaxel is an effective chemotherapy drug to treat breast cancer but the underlying molecular mechanisms of drug resistance are not fully understood. DNA methylation is an epigenetic event, involved in the control of gene expression, which is known to play an important role in cancer and chemotherapy drug resistance. To investigate the role of DNA methylation in docetaxel resistance in breast...
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...
The objective of this study was to determine whether recombinant human cytochrome P450 1B1 (rhCYP1B1) metabolizes the anticancer agent docetaxel (Taxotere) in vitro. First, the catalytic activities of Supersomes-expressed rhCYP1B1 toward 17beta-estradiol and of rhCYP3A4 toward docetaxel in our conditions were determined. Second, [(14)C]docetaxel at 0.1 and 1 microM was incubated with rhCYP1B1 i...
PURPOSE Checkpoint kinase 1 (Chk1) plays a critical role in the activation of mitotic spindle checkpoint and DNA damage checkpoint. We examined the preclinical use of the Chk1 inhibitor PF-00477736 as a docetaxel-sensitizing agent. Specifically, we investigated the correlation between PF-00477736-mediated modulation of biomarkers and the sensitization of docetaxel efficacy. EXPERIMENTAL DESIG...
Background In women with node-positive breast cancer, the Breast International Group (BIG) 02-98 tested the incorporation of docetaxel (Taxotere) into doxorubicin (Adriamycin)-based chemotherapy, and compared sequential and concurrent docetaxel. At 5 years, there was a trend for improved disease-free survival (DFS) with docetaxel. We present results at 8-year median follow-up and exploratory an...
PURPOSE Previous studies show that inhibition of ABCB1 expression overcomes acquired docetaxel resistance in C4-2B-TaxR 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 w...
Background and objective: Resulting in the accumulation of somatic mutations in cancer cells caused. Breast cancer is the most commonly diagnosed cancer among women worldwide. The use of nanoscale drug delivery systems is important for effective treatment. The main aim of this study was to determine effects of chitosan conjugated to docetaxel nanoparticles in treatment of breast cancer. Methods...
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