نتایج جستجو برای: multidrug resistance related protein
تعداد نتایج: 2577886 فیلتر نتایج به سال:
In this study, Cas9 system was employed to down-regulate mdr1 gene for overcoming multidrug resistance of cancer cells. Disruption of the MDR1 gene was achieved by delivery of the Cas9-sgRNA plasmid or the Cas9-sgRNA ribonucleoprotein complex using a conventional gene transfection agent and protein transduction domain (PTD). Doxorubicin showed considerable cytotoxicity to the drug-resistant bre...
Vaults are ribonucleoprotein particles with a distinct structure and a high degree of conservation between species. Although no function has been assigned to the complex yet, there is some evidence for a role of vaults in multidrug resistance. To confirm a direct relation between vaults and multidrug resistance, and to investigate other possible functions of vaults, we have generated a major va...
Expression of breast cancer resistance protein/ATP-binding cassette sub-family G member 2 (BCRP/ABCG2) is the major cause of chemotherapy failure. It is important to establish and characterize the multidrug resistance cells and to investigate the mechanism of multidrug resistance. Multidrug-resistant cells expressing BCRP/ABCG2 based on human breast cancer MCF-7/wt cells were developed by gradu...
BACKGROUND Lung resistance-related protein (LRP), the major vault protein in humans, is sometimes overexpressed in multidrug-resistant cells. Because cells transfected with the LRP gene did not express the multidrug-resistant phenotype, we investigated whether LRP is involved in multidrug resistance. METHODS SW-620 cells, a human colon carcinoma cell line, alone or transfected with an express...
conclusions review of the studies revealed that levels of multidrug-resistant tuberculosis among new tuberculosis patients are increasing in iran and the vaccination system needs to be reformed. because of the increasing number of patients coming from neighboring countries with multidrug-resistant tuberculosis, this area needs more stewardship and control in order to prevent the outbreak of mul...
background: reduced susceptibility of clostridium difficile to antibiotics is problematic in clinical settings. there is new evidence indicating the cotransfer of toxin-encoding genes and conjugative transposons encoding resistance to antibiotics among different c. difficile strains. to analyze this association, in the current study, we evaluated the frequency of toxigenic c. difficile among th...
background: multidrug resistant enterobacteriaceae which was confined to the hospital environments is now emerging in the domestic food related environments as well. the main objective of the present study was to investigate the prevalence of antibiotic resistant enterobacteriaceae in the domestic food related environments. methods: resistance to ampicillin, chloramphenicol, ciprofloxacin, gen...
A previously established arsenite-resistant cell line, KAS, is also resistant to a variety of anticancer drugs. In order to understand responsible molecules for the multidrug resistance phenotype of KAS cells, we examined the expressions of ATP-binding cassette (ABC) transporters and found that the ABCB6 and ABCC1/ multidrug resistance protein 1 (ABCC1/MRP1) were increased. ABCC1/MRP1 was not c...
ATP-binding cassette super family (ABC) proteins are considered key to oncology and pharmacology studies. We examined the effect of benzene on ABC pump protein levels in C57BL/6 mouse bone marrow mononuclear cells. After a 2-week gavage (200 mg/kg, 5 days per week), the number of peripheral leukocytes, lymphocytes and basophils dropped significantly; there was also a significant decrease in MDR...
ATP binding cassette (ABC) transporters related to multidrug resistance (MDR) actively efflux various xenobio-tics from the cells across the cell membrane and decrease a drugs efficiency. Lung cancer is the leading cause of death among all types of cancer in the Czech Republic, and its incidence is still rising. Ciglitazone, rosiglitazone and troglitazone belonging to PPARγ agonist family (form...
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