Immunologie and virologie events in early HIV infection predict subsequent rate of progression

Anuradha Ganesan, Pratip K. Chattopadhyay, Tess M. Brodie, Qin Jing, Wenjuan Gu, John R. Mascola, Nelson L. Michael, Dean A. Follmann, Mario Roederer*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

67 Scopus citations


Background. Variability in human immunodeficiency virus (HIV) disease progression cannot be fully predicted by CD4 + T cell counts or viral load (VL). Because central memory T (TCM) cells play a critical role in the pathogenesis of simian immunodeficiency virus disease, we hypothesized that quantifying these cells in early HIV infection could provide prognostic information. Methods. We measured expression of CD45RO, chemokine (C-C motif) receptor (CCR) 5, CCR7, CD27, and CD28 to enumerate naive and memory subsets in samples from recently infected individuals. We also quantified proliferation, CD127 expression, and cell-associated VL. Disease progression was compared across subgroups defined by these measurements, using Kaplan-Meier survival curves and multivariate Cox proportional hazards regression. Results. Four hundred sixty-six subjects contributed 101 events. The proportion or absolute count of T CM cells did not correlate with disease progression, defined as the time to AIDS or death. However, significant associations were observed for proliferation within CD4 + or CD8 + T cells, loss of naive or CD127+ memory CD8+ T cells, and CD4 + T cell-associated VL. Conclusions. Our results demonstrate that the extent of the immunopathogenesis established early in HIV infection predicts the course of future disease. Because antiretroviral drug treatment reverses such defects in part, our study provides mechanistic clues to why early use of antiretroviral may prove beneficial.

Original languageEnglish
Pages (from-to)272-284
Number of pages13
JournalJournal of Infectious Diseases
Issue number2
StatePublished - 15 Jan 2010
Externally publishedYes


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