Analysis of the immune response and viral evolution during the acute phase of SIV infection

Helen Horton, Thorsten Vogel, David O'Connor, Louis Picker, David Watkins

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Development of an effective vaccine against human immunodeficiency virus (HIV) will require knowledge of the immune responses that correlate with protection. During the acute phase of HIV infection the host immune responses appear to control viral replication. It is thought that virus-specific cellular immunity is intimately involved in this viral control. We have developed a model system to measure the entire T cell response and viral evolution in the face of this onslaught in rhesus macaques during the acute phase of infection with molecularly cloned simian immunodeficiency virus (SIV). We used intracellular cytokine staining (ICS) of peripheral blood mononuclear cells (PBMCs) from animals during the acute phase of viral infection stimulated with peptides spanning the entire protein sequence of SIV to determine which peptides were recognized by CD8 and CD4 positive T cells. Furthermore, we sequenced the entire virus during the acute phase of infection. This approach has proved highly effective for measuring acute phase T cell responses and viral evolution in SIV-infected rhesus macaques and might facilitate the definition of cellular immune responses in HIV-infected humans during the acute phase.

Original languageEnglish
Pages (from-to)1927-1932
Number of pages6
JournalVaccine
Volume20
Issue number15
DOIs
StatePublished - May 6 2002
Externally publishedYes

Fingerprint

Simian immunodeficiency virus
Simian Immunodeficiency Virus
Virus Diseases
T-lymphocytes
Human immunodeficiency virus
immune response
HIV
Macaca mulatta
T-Lymphocytes
Cellular Immunity
cell-mediated immunity
infection
peptides
Viruses
viruses
Peptides
HIV infections
mononuclear leukocytes
virus replication
Infection

Keywords

  • Acute infection
  • SIV
  • Virus-specific T cells

ASJC Scopus subject areas

  • Immunology
  • Microbiology
  • Virology
  • Infectious Diseases
  • Public Health, Environmental and Occupational Health
  • veterinary(all)

Cite this

Analysis of the immune response and viral evolution during the acute phase of SIV infection. / Horton, Helen; Vogel, Thorsten; O'Connor, David; Picker, Louis; Watkins, David.

In: Vaccine, Vol. 20, No. 15, 06.05.2002, p. 1927-1932.

Research output: Contribution to journalArticle

Horton, Helen ; Vogel, Thorsten ; O'Connor, David ; Picker, Louis ; Watkins, David. / Analysis of the immune response and viral evolution during the acute phase of SIV infection. In: Vaccine. 2002 ; Vol. 20, No. 15. pp. 1927-1932.
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