Differential activation of human immunodeficiency virus type 1 and 2 transcription by specific T-cell activation signals

Mark C. Hannibal, David M. Markovitz, Nina Clark, Gary J. Nabel

Research output: Contribution to journalArticlepeer-review

Abstract

The human immunodeficiency virus type 1 (HIV-1) and HIV-2 enhancers are induced differentially by physiologic T-cell activation signals. In contrast to that of HIV-1, HIV-2 transcription was quite responsive to stimulation of T cells by antigen presentation but weakly induced by tumor necrosis factor alpha. Like tumor necrosis factor alpha, expression of cloned NF-κB subunits strongly activated the HIV-1, but not the HIV-2, enhancer. The differences in response to these physiologic T-cell activation pathways may contribute to the differences in persistence of HIV-1 and HIV-2 infection.

Original languageEnglish (US)
Pages (from-to)5035-5040
Number of pages6
JournalJournal of Virology
Volume67
Issue number8
StatePublished - Aug 1993
Externally publishedYes

ASJC Scopus subject areas

  • Immunology

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