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We studied HIV-positive and -negative subjects for T-cell reactivity to rCD4, and found that 80% of 25 tested HIV-infected patients and 25% of controls manifested T-cell proliferation responses to rCD4. We mapped the major CD4 immunogenic epitopes among the CD4+ responders of both groups by testing T-cell proliferation responses to 31 synthetic overlapping peptides from the human CD4 molecule. Such...
This study is an extended clinical trial of the one initiated and reported in the Journal of Clinical Virology 2004;31S:S48–54. Thirteen HIV-1 patients (eight subtype B and five subtype C) that manifested T-cell autoimmunity to recombinant human CD4 (rCD4) were treated with T-cell vaccine composed of glutaraldehyde-treated autologous anti-CD4 reactive T-cells and compared to historical seven non-vaccinated...
Background: Highly active antiretroviral therapy (HAART) is frequently associated with only partial restoration of CD4 T-cell levels. Autoimmunity to CD4 T-cells may account for the persistence of the CD4 T-cell lymphopenia in such cases.Objective: To document T-cell autoimmunity to CD4 in HIV-infected patients and to determine if T-cell vaccination against CD4 autoimmunity is feasible and safe.Study...
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