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Mark B. Feinberg

Researcher at International AIDS Vaccine Initiative

Publications -  133
Citations -  20223

Mark B. Feinberg is an academic researcher from International AIDS Vaccine Initiative. The author has contributed to research in topics: Virus & Viral replication. The author has an hindex of 60, co-authored 126 publications receiving 19881 citations. Previous affiliations of Mark B. Feinberg include Emory University & National Institutes of Health.

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Endoproteolytic cleavage of gp160 is required for the activation of human immunodeficiency virus

TL;DR: In this study, the tryptic-like endoproteolytic cleavage site was removed by site-directed mutagenesis and replaced with a chymotryptic-like site and the resultant mutant, RIP7/mut10, was found to be indistinguishable from wild-type HIV when analyzed at the level of proviral replication, RNA processing, protein expression, and viral assembly.
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Nonpathogenic SIV infection of sooty mangabeys is characterized by limited bystander immunopathology despite chronic high-level viremia.

TL;DR: It is reported here that SIV-infected mangabeys maintain preserved T lymphocyte populations and regenerative capacity and manifest far lower levels of aberrant immune activation and apoptosis than are seen in pathogenic SIV and HIV infections.
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The trans-activator gene of HTLV-III is essential for virus replication

TL;DR: It is shown that derivatives of a biologically competent molecular clone of HTLV-III, in which the tat-Ill gene is deleted or the normal splicing abrogated, failed to produce or expressed unusually low levels of virus, respectively, when transfected into T-cell cultures.