T-cell vaccination against anti-CD4 autoimmunity in HIV-1 subtypes B and C-infected patients - An extended open trial

Rivka Abulafia-Lapid, Shlomo Mayan, Zvi Bentwich, Yael Keren-Zur, Yulia Avbramovitz, Irun R. Cohen, Henri Atlan

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

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 HIV-1-infected subjects. This study proved to be feasible and safe. Follow-up study revealed that 7/8 subtype B and 2/4 subtype C patients (one has just received the first TCV injection) responded with a persistent increase in their blood CD4 T-cell levels and four subtype B patients manifested decreased anti-CD4 autoimmunity. Despite highly active antiretroviral therapy (HAART), the persistence of CD4 T-cell lymphopenia may be associated with anti-CD4 autoimmunity. T-cell vaccination (TCV) may decrease such autoimmunity and elevate CD4 T-cell numbers.

Original languageEnglish
Pages (from-to)2149-2153
Number of pages5
JournalVaccine
Volume23
Issue number17-18
DOIs
StatePublished - 18 Mar 2005
Externally publishedYes

Keywords

  • Autoimmunity
  • HIV-1 subtypes B and C
  • T-cell vaccination

ASJC Scopus subject areas

  • Molecular Medicine
  • Immunology and Microbiology (all)
  • Veterinary (all)
  • Public Health, Environmental and Occupational Health
  • Infectious Diseases

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