The role of collagen deposition in depleting CD4+ T cells and limiting reconstitution in HIV-1 and SIV infections through damage to the secondary lymphoid organ niche

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67 Scopus citations

Abstract

The hallmark of HIV/SIV infections is the progressive depletion of CD4+ T cells that ultimately renders the host incapable of defending against AIDS defining opportunistic infections and malignancies. Although many potential mechanisms have been proposed to explain CD4+ T cell loss, we review here the growing evidence that fibrotic 'scarring' and consequent damage to the lymphatic tissue niche contributes to CD4+ T cell decline and limits CD4+ T cell re-population with retroviral therapy.

Original languageEnglish (US)
Pages (from-to)181-186
Number of pages6
JournalSeminars in Immunology
Volume20
Issue number3
DOIs
StatePublished - Jun 2008

Bibliographical note

Funding Information:
This work was supported by National Institutes of Health grants R01 AI48484 and AI056997 to A.T.H., T32 AI07421 to J.D.E., and Public Health P130-CA79458-01, 1RO1DE12934-01, MO1 RR00400, 2UO1 AI041535, RO1 AI54232-01A2, and R37 AI 28246. This project has also been funded in part with federal funds from the National Cancer Institute, National Institutes of Health, under contract N01-CO-12400. The content of this publication does not necessarily reflect the views or policies of the Department of Health and Human Services, nor does mention of trade names, commercial products, or organizations imply endorsement by the U.S. Government.

Copyright:
Copyright 2009 Elsevier B.V., All rights reserved.

Keywords

  • Fibrosis
  • HIV pathogenesis
  • Immune reconstitution
  • Lymphatic tissues
  • Naive CD4 cells

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