Premature induction of an immunosuppressive regulatory T cell response during acute simian immunodeficiency virus infection

Jacob D. Estes, Qingsheng Li, Matthew R. Reynolds, Stephen Wietgrefe, Lijie Duan, Timothy Schacker, Louis J. Picker, David I. Watkins, Jeffrey D. Lifson, Cavan Reilly, John Carlis, Ashley T. Haase

Research output: Contribution to journalArticle

195 Citations (Scopus)

Abstract

Here we report the results of an investigation into the possibility that one mechanism responsible for the establishment of persistent human immunodeficiency virus infection is an early regulatory T (Treg) cell response that blunts virus-specific responses. Using the simian immunodeficiency virus (SIV)-infected rhesus macaque model, we show that, indeed, viral replication and immune activation in lymphatic tissue drive a premature immunosuppressive response, with dramatic increases in the frequencies of CD4+CD25+FOXP3+ Treg cells, transforming growth factor-β1+ cells, interleukin-10+ cells, and indoleamine 2,3-dioxygenase+CD3+ cells. When we compared SIV infection with rhesus cytomegalovirus (RhCMV) infection, we found that the frequency of Treg cells paralleled the magnitude of immune activation during both infections but that the magnitude of immune activation and of the Treg cell response were lower and peaked much later during RhCMV infection. Importantly, the frequency of Treg cells inversely correlated with the magnitude of the SIV-specific cytotoxic T lymphocyte response. We conclude that an early Treg cell response during acute SIV infection may contribute to viral persistence by prematurely limiting the antiviral immune response before infection is cleared.

Original languageEnglish (US)
Pages (from-to)703-712
Number of pages10
JournalJournal of Infectious Diseases
Volume193
Issue number5
DOIs
StatePublished - Mar 1 2006

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Simian Immunodeficiency Virus
Virus Diseases
Regulatory T-Lymphocytes
Immunosuppressive Agents
Cytomegalovirus Infections
Indoleamine-Pyrrole 2,3,-Dioxygenase
Transforming Growth Factors
Cytotoxic T-Lymphocytes
Lymphoid Tissue
Infection
Macaca mulatta
Interleukin-10
Antiviral Agents
HIV
Viruses

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Immunology

Cite this

Premature induction of an immunosuppressive regulatory T cell response during acute simian immunodeficiency virus infection. / Estes, Jacob D.; Li, Qingsheng; Reynolds, Matthew R.; Wietgrefe, Stephen; Duan, Lijie; Schacker, Timothy; Picker, Louis J.; Watkins, David I.; Lifson, Jeffrey D.; Reilly, Cavan; Carlis, John; Haase, Ashley T.

In: Journal of Infectious Diseases, Vol. 193, No. 5, 01.03.2006, p. 703-712.

Research output: Contribution to journalArticle

Estes, JD, Li, Q, Reynolds, MR, Wietgrefe, S, Duan, L, Schacker, T, Picker, LJ, Watkins, DI, Lifson, JD, Reilly, C, Carlis, J & Haase, AT 2006, 'Premature induction of an immunosuppressive regulatory T cell response during acute simian immunodeficiency virus infection', Journal of Infectious Diseases, vol. 193, no. 5, pp. 703-712. https://doi.org/10.1086/500368
Estes, Jacob D. ; Li, Qingsheng ; Reynolds, Matthew R. ; Wietgrefe, Stephen ; Duan, Lijie ; Schacker, Timothy ; Picker, Louis J. ; Watkins, David I. ; Lifson, Jeffrey D. ; Reilly, Cavan ; Carlis, John ; Haase, Ashley T. / Premature induction of an immunosuppressive regulatory T cell response during acute simian immunodeficiency virus infection. In: Journal of Infectious Diseases. 2006 ; Vol. 193, No. 5. pp. 703-712.
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