نتایج جستجو برای: c viremia
تعداد نتایج: 1060418 فیلتر نتایج به سال:
Central role of reverting mutations in HLA associations with human immunodeficiency virus set point.
Much uncertainty still exists over what T-cell responses need to be induced by an effective human immunodeficiency virus (HIV) vaccine. Previous studies have hypothesized that the effective CD8(+) T-cell responses are those driving the selection of escape mutations that reduce viral fitness and therefore revert post-transmission. In this study, we adopted a novel approach to define better the r...
conclusions in conclusion, our observations indicated that pcdna3.1 (+)-hbv1.3c was superior to aav/hbv plasmid for establishment of persistent hbv infection by hi, in vivo, and this mouse model could be useful for studies of hepatitis virology and for the development of innovatory treatments for hbv infections. results in 60% of the mice injected with pcdna3.1 (+)-hbv1.3c, hbsag, hbeag, hbcag ...
OBJECTIVES To describe raltegravir pharmacokinetics at steady-state in HIV/hepatitis C virus (HCV)-coinfected patients under antiretroviral (ARV) treatment with (n = 5) and without (n = 5) advanced liver cirrhosis (Child-Pugh C). METHODS This was a non-randomized, Phase I, parallel-assignment, open-label pharmacokinetic study in HIV/HCV-coinfected patients with Child-Pugh grade C hepatic cirr...
To define the early events that determine the outcome of acute hepatitis C virus (HCV) infection, we compared the course of viremia with the peripheral and intrahepatic T cell response and intrahepatic cytokine profile in six acutely infected chimpanzees. Three different outcomes were observed after peak viral titers were reached: sustained viral clearance, transient viral clearance followed by...
Human immunodeficiency virus type 1 (HIV-1) genetic diversity poses a challenge to reliable viral load monitoring. Discrepancies between different testing platforms have been observed, especially for non-clade-B virus. Therefore we compare, in antiretroviral therapy (ART)-naïve South African subjects predominantly infected with HIV-1 clade-C, three commercially available assays: the COBAS Ampli...
UNLABELLED In patients with chronic hepatitis C, the hepatitis C virus (HCV) RNA level is an important predictor of treatment response. To explore the relationship of HCV RNA with viral and demographic factors, as well as IL28B genotype, we examined viral levels in an ethnically diverse group of injection drug users (IDUs). Between 1998 and 2000, the Urban Health Study (UHS) recruited IDUs from...
The prophylactic efficacy of the broad-spectrum antiviral nucleoside analog ribavirin against flavivirus infection in non-human primates was investigated in a blinded, placebo-controlled study of rhesus monkeys infected with dengue virus. Both placebo- and ribavirin-treated monkeys developed viremia, as measured by direct plaque assay on Aedes albopictus C6/36 cells. Peak viremia occurred betwe...
Specific CD8 T-cell responses to human immunodeficiency virus type 1 (HIV-1) are induced in primary infection and make an important contribution to the control of early viral replication. The importance of neutralizing antibodies in containing primary viremia is questioned because they usually arise much later. Nevertheless antienvelope antibodies develop simultaneously with, or even before, pe...
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