نتایج جستجو برای: rna based therapy
تعداد نتایج: 3687214 فیلتر نتایج به سال:
OBJECTIVES Identifying the predictive factors of Sustained Virological Response (SVR) represents an important challenge in new interferon-based DAA therapies. Here, we analyzed the kinetics of antiviral response associated with a triple drug regimen, and the association between negative residual viral load at different time points during treatment. METHODS Twenty-three HCV genotype 1 (GT 1a n...
Objective(s): MicroRNAs (miRNAs) are a subfamily of small noncoding RNAs that play a variety of roles in regulating gene expression in nearly all organisms. They affect different biological pathways by post-transcriptionally regulating mRNAs. Aside from miRNAs’ role in maintaining cellular homeostasis, their perturbation is related to several pathologic states and dis...
Quantitative measurements of serum hepatitis C virus (HCV) RNA are becoming increasingly important in the management of HCV-infected patients. Here we compared two quantitative assays, the COBAS AMPLICOR HCV Monitor 2.0 assay (Roche Diagnostics) and the branched DNA-based VERSANT HCV RNA 3.0 assay (Bayer Diagnostics) for HCV RNA measurement in 344 samples derived from 120 patients with chronic ...
introduction intensity-modulated radiotherapy (imrt) is becoming an increasingly routine treatment method. imrt can be delivered by use of conventional multileaf collimators (mlcs) and/or physical compensators. one of the most important factors in selecting an appropriate imrt technique is integral dose. integral dose is equal to the mean energy deposited in the total irradiated volume of the p...
Backgroud: Telomerase activity, mainly regulated by the human telomerase reverse transcriptase (hTERT) gene, plays critical roles in tumor growth and progression through the maintenance of telomere length and structure. Telomerase is elevated in most malignant tumors as well as in breast cancer, the ubiquitous expression of telomerase makes it a promising target for cancer therapy. With the goa...
rna extraction is a prerequisite technique for gene expression studies, analyzing the etiology and disease progression, treatment effects, as well as designing the diagnostic methods. although many rna extraction kits have been commercialized, but these kits are expensive and are not accessible in some countries. many studies have shown that trizol is an applicable material for the rna extracti...
Circular RNAs (circRNAs) are a class of endogenous noncoding RNA, which were previously considered as byproduct RNA splicing error. Numerous studies have demonstrated the altered expression circRNAs in organ tissues during pathological conditions and their involvements disease pathogenesis progression, including cancers. In colorectal cancer (CRC), multiple been identified characterized “oncoge...
OBJECTIVES Resistant viruses may emerge in the female genital tract during antiretroviral therapy (ART). Our objective was to identify predictors of drug-resistant HIV-1 RNA in genital secretions after initiation of nonnucleoside reverse transcriptase inhibitor-based therapy. DESIGN We conducted a prospective cohort study with periodic evaluation of plasma and genital swab samples for HIV-1 R...
Current antiretroviral therapy is effective in suppressing but not eliminating HIV-1 infection. Understanding the source of viral persistence is essential for developing strategies to eradicate HIV-1 infection. We therefore investigated the level of plasma HIV-1 RNA in patients with viremia suppressed to less than 50-75 copies/ml on standard protease inhibitor- or non-nucleoside reverse transcr...
Hepatitis C virus infection is affecting an estimated 200 million people worldwide and 210 thousand in Iran. It is a major cause of morbidity and mortality from liver disease. Interferon-alpha is the choice of treatment but interferone (IFN) with ribavirin is known more effective recently. This study evaluated effect of IFN on Iranian patients and predict response to therapy. This i...
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