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1996-02-26
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Document 0789
DOCN M9620789
TI Apoptosis occurs predominantly in bystander cells and not in
productively infected cells of HIV- and SIV-infected lymph nodes [see
comments]
DT 9602
AU Finkel TH; Tudor-Williams G; Banda NK; Cotton MF; Curiel T; Monks C;
Baba TW; Ruprecht RM; Kupfer A; Department of Pediatrics, National
Jewish Center for Immunology; and Respiratory Medicine, Denver, Colorado
80206, USA.
SO Nat Med. 1995 Feb;1(2):129-34. Unique Identifier : AIDSLINE MED/96071391
CM Comment in: Nat Med 1995 Feb;1(2):118-20
AB Although 13 years have passed since identification of human
immunodeficiency virus-1 (HIV-1) as the cause of AIDS, we do not yet
know how HIV kills its primary target, the T cell that carries the CD4
antigen. We and others have shown an increase in the percentage of
apoptotic cells among circulating CD4+ (and CD8+) T cells of
HIV-seropositive individuals and an increase in frequency of apoptosis
with disease progression. However, it is not known if this apoptosis
occurs in infected or uninfected T cells. We show here, using in situ
labelling of lymph nodes from HIV-infected children and SIV-infected
macaques, that apoptosis occurs predominantly in bystander cells and not
in the productively infected cells themselves. These data have
implications for pathogenesis and therapy, namely, arguing that rational
drug therapy may involve combination agents targeting viral replication
in infected cells and apoptosis of uninfected cells.
DE Animal *Apoptosis Child Child, Preschool Female Human HIV
Infections/PATHOLOGY/*VIROLOGY HIV-1/PATHOGENICITY Lymph
Nodes/*PATHOLOGY/VIROLOGY Macaca Male RNA, Messenger/ANALYSIS RNA,
Viral/ANALYSIS Simian Acquired Immunodeficiency
Syndrome/PATHOLOGY/*VIROLOGY Support, Non-U.S. Gov't Support, U.S.
Gov't, P.H.S. SIV/PATHOGENICITY T-Lymphocytes/VIROLOGY JOURNAL
ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).