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The normal function of the endothelium is impaired in HIV-1 infection. Disturbances of the local cytokines as well as the release of HIV-1 Tat by infected mononuclear cells play a role in endothelial dysfunction. We studied the effects of Tat on the human endothelial ECV cell line. In this...
To evaluate the contribution of a specific cytotoxic response in the control of HIV infection in relation to clinical status, we performed serial analysis of anti-Env and anti-Gag cytotoxic activity in 13 infected individuals over a 6- to 10-year period, using cryopreserved peripheral blood...
A primary isolate (KMT) of human immunodeficiency virus type 1 (HIV-1) resistant to recombinant soluble CD4 (rsCD4) was isolated from an HIV-1-infected individual and grown in a T lymphoid cell line. KMT isolate passaged on CEM cells (KMT/CEM) was still resistant to rsCD4. The V1/V2 and V3...
The feline immunodeficiency virus (FIV) Rev protein and its cognate sequence the Rev response element (RRE) are essential for virus replication. Thus, the inhibition of either Rev or RRE function can significantly inhibit FIV replication. In the present study, we constructed a ribozyme that...
Vaginal wash fluids from chimpanzees cervically infected with HIV-1 and saliva from intravenously and cervically infected chimpanzees were analyzed for total IgA, IgA1, IgA2, IgG, and albumin concentrations and for reactivity against HIV-1. No overt abnormalities were detected in salivary...
It has been proposed that the highly conserved human immunodeficiency virus type 1 (HIV-1) envelope gp120 carboxy-terminal sequence, TKAKRRVVEREKR (CT120), may represent a functional mimic of the human leukocyte antigen (HLA) class II DR Î²-chain third hypervariable region (HVR3) sequence motif...
HIV infection in humans causes various aberrancies in both the cellular and humoral immune systems, including functional abnormalities of B lymphocytes. In many instances, dysfunction occurs in the regulation of serum IgA, resulting in elevated concentrations of this immunoglobulin isotype. To...
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