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J Virol. 1992 Dec;66(12):7517-21.

An infectious molecular clone of an unusual macrophage-tropic and highly cytopathic strain of human immunodeficiency virus type 1.

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  • 1Division of Pulmonary and Critical Care, University of Pennsylvania School of Medicine, Philadelphia 19104.

Abstract

We isolated and molecularly cloned a human immunodeficiency virus type 1 (HIV-1) strain (89.6) which is unusual because it is both macrophage-tropic and extremely cytopathic in lymphocytes. Moreover, this is the first well-characterized infectious molecularly cloned macrophage-tropic HIV-1 strain derived from peripheral blood. HIV-1 89.6 differs markedly from other macrophage-tropic isolates within the envelope V3 region, which is important in determining cell tropism and cytopathicity. HIV-1 89.6 may thus represent a transitional isolate between noncytopathic macrophage-tropic viruses and cytopathic lymphocyte-tropic viruses.

PMID:
1433527
[PubMed - indexed for MEDLINE]
PMCID:
PMC240461
Free PMC Article
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