نتایج جستجو برای: hcv core protein
تعداد نتایج: 1442795 فیلتر نتایج به سال:
background the rate of mother-to-infant hepatitis c virus (hcv) transmission is relatively low, however, this mode of infection is the most important route for childhood hcv involvement. the chances of transmission are increased by the level of maternal hcv viraemia and maternal human immunodeficiency virus (hiv) co infection. objectives the objective of the present study was to determine the p...
Nonstructural protein 5A (NS5A) of the hepatitis C virus (HCV) possesses multiple and diverse functions in RNA replication, interferon resistance, and viral pathogenesis. Recent studies suggest that NS5A is involved in the assembly and maturation of infectious viral particles; however, precisely how NS5A participates in virus production has not been fully elucidated. In the present study, we de...
BACKGROUND Hepatitis C virus (HCV) infects approximately 3% of the world population and is the leading cause of liver disease, impacting hepatocyte metabolism, depending on virus genotype. Hepatic metabolic functions show rhythmic fluctuations with 24-h periodicity (circadian), driven by molecular clockworks ticking through translational-transcriptional feedback loops, operated by a set of gene...
Hepatitis C virus (HCV) co-infection occurs in ∼30-40% of the HIV-infected population in the US. While a significant body of research suggests an adverse effect of HIV on HCV replication and disease progression, the impact of HCV on HIV infection has not been well studied. Increasing data suggest that hepatocytes and other liver cell populations can serve as reservoirs for HIV replication. Ther...
To study the effect of genetic immunization on transgenic expression of hepatitis C virus (HCV) proteins, we evaluated the immunological response of HCV transgenic mice to HCV expression plasmids. FVB/n transgenic mice expressing HCV structural proteins (core, E1, and E2) and wild-type (WT) FVB/n mice were immunized intramuscularly with plasmids expressing core (pHCVcore) or core/E1/E2 (pHCVSt)...
وکتورهای آدنو ویروس همواره در طراحی واکسن برای کنترل ویروس hcv مورد استفاده قرار گرفته اند. با آنکه ژن core ویروس به دلیل شباهت بالا در بین ژنوتیپها در واکسنهای مختلف مورد استفاده قرار گرفته و از لحاظ تئوری از بهترین کاندیدهای واکسن به شمار می آید، دسته ای ازجدیدترین مطالعات به دلیل نقائص وارد بر ژن کامل از قسمتهای کوتاه شده ژن در ساخت واکسن استفاده می کنند. تاکنون مطالعه ای که به ارزیابی سیستم...
UNLABELLED Pegylated-interferon plus ribavirin (PEG-IFN/RBV) therapy is a current standard treatment for chronic hepatitis C. We previously reported that the viral sequence heterogeneity of part of NS5A, referred to as the IFN/RBV resistance-determining region (IRRDR), and a mutation at position 70 of the core protein of hepatitis C virus genotype 1b (HCV-1b) are significantly correlated with t...
BACKGROUND Although the polyproteins of hepatitis C virus(HCV) are processed and formed in nearly equimolar amounts, individual functional proteins have a discrepancy in their time of appearance following HCV infection and eliciting immune response. This study was conducted to compare the reactivity toward regional specific HCV protein in relation to virological characteristics, including HCV g...
The cellular DEAD-box protein DDX3 was recently shown to be essential for hepatitis C virus (HCV) replication. Prior to that, we had reported that HCV core binds to DDX3 in yeast-two hybrid and transient transfection assays. Here, we confirm by co-immunoprecipitation that this interaction occurs in cells replicating the JFH1 virus. Consistent with this result, immunofluorescence staining of inf...
High hepatitis C virus (HCV) genetic diversity impacts infectivity/pathogenicity, influencing chronic liver disease progression associated with fibrosis degrees and hepatocellular carcinoma. HCV core protein is crucial in cell-growth regulation and host-gene expression. Liver fibrosis is accelerated by unknown mechanisms in human immunodeficiency virus-1- (HIV-1-) coinfected individuals. We aim...
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