نتایج جستجو برای: viremia
تعداد نتایج: 4845 فیلتر نتایج به سال:
UNLABELLED Host genetic factors play an important role in mediating resistance to HIV-1 infection and may modify the course of infection. HLA-B alleles (Bw4 epitope; B*27 and B*57) as well as killer cell immunoglobulin-like receptors have been associated with slow progression of HIV-1 infection. OBJECTIVE To evaluate the association between serological epitopes HLA-Bw4 and HLA-Bw6 and prognos...
Indian rhesus macaques infected with the Rev-independent live-attenuated SIVmac239 strains control viremia to undetectable levels, have persistent but low cellular and humoral anti-SIV responses, and show no signs of immune deficiency. To analyze the immune mechanisms responsible for viral control, five macaques infected at day 1 after birth were subjected to CD8(+) cell depletion at 6.7 y post...
This study demonstrates that a more precise prediction of the individual relapse risk in chronic hepatitis C virus genotype 1 infection can be obtained by kinetics of minimal residual viremia at weeks 4, 8, and 12 in combination with levels of baseline viremia. These data may also help to further individualize new protease inhibitor-based triple therapy regimens.
BACKGROUND Early treatment of acute HIV infection with highly active antiretroviral therapy, followed by supervised treatment interruption (STI), has been associated with at least transient control of viremia. However, the durability of such control remains unclear. Here we present longitudinal follow-up of a single-arm, open-label study assessing the impact of STI in the setting of acute HIV-1...
Plasmacytoid dendritic cells (pDC) provide an important link between innate and acquired immunity, mediating their action mainly through IFN-alpha production. pDC suppress HIV-1 replication, but there is increasing evidence suggesting they may also contribute to the increased levels of cell apoptosis and pan-immune activation associated with disease progression. Although having the same clinica...
BACKGROUND While residual plasma viremia is commonly observed in HIV-infected patients undergoing antiretroviral treatment (ART), little is known about its subclinical consequences. METHODS This cross-sectional study included 47 male, never-smoking, non-diabetic patients with ≥4 years of ART and controlled HIV-replication (HIV-viral load, VL <20 copies/mL for ≥1 year). Residual HIV-VL was mea...
BACKGROUND Hepatitis C virus (HCV)-specific T cell responses are critical for spontaneous resolution of HCV viremia. Here we examined the effect of a lymphotropic virus, HIV-1, on the ability of coinfected patients to maintain spontaneous control of HCV infection. METHODS AND FINDINGS We measured T cell responsiveness by lymphoproliferation and interferon-gamma ELISPOT in a large cohort of HC...
OBJECTIVE to identify predictive factors of response to pegylated interferon alpha-2b and ribavirin in patients with genotype 1 chronic hepatitis C. Viral kinetics were studied in weeks 2 and 4. METHODS a prospective and consecutive study of patients with genotype 1 chronic hepatitis C referred to our Hepatology Clinic between January 2004 and October 2006 for antiviral treatment. Baseline da...
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