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M9650494.TXT
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1996-03-09
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Document 0494
DOCN M9650494
TI Selective effects of DNA damaging agents on HIV long terminal repeat
activation and virus replication in vitro.
DT 9605
AU Manome Y; Yao XJ; Kufe DW; Cohen EA; Fine HA; Division of Cancer
Pharmacology, Dana Farber Cancer Institute,; Harvard Medical School,
Boston, Massachusetts 02115, USA.
SO J Acquir Immune Defic Syndr Hum Retrovirol. 1996 Feb 1;11(2):109-16.
Unique Identifier : AIDSLINE MED/96147310
AB Much attention has recently focused on the observation that UV light can
activate the long terminal repeat (LTR) of the human immunodeficiency
virus (HIV). Although the mechanism of LTR activation remains obscure,
several lines of investigation have suggested that it is a result of
activation of the NF-kappa B transcription factor(s) following signaling
events related to generalized DNA damage. In this report, we present
data demonstrating that HIV LTR activation is not a general consequence
of cellular DNA damage, but rather a process unique to specific
genotoxic stimuli, and that it does not necessarily depend on activation
of NF-kappa B. Furthermore, we demonstrate that several of these agents
can significantly increase HIV replication and accelerate CD4-positive
lymphocyte cytotoxicity in vitro. These findings, therefore, could have
clinical significance to AIDS patients with malignancies who are
undergoing radiotherapy and chemotherapy.
DE Antineoplastic Agents/*PHARMACOLOGY Comparative Study CD4-Positive
T-Lymphocytes/DRUG EFFECTS/RADIATION EFFECTS/ VIROLOGY *DNA
Damage/DRUG EFFECTS/RADIATION EFFECTS DNA, Viral/*DRUG
EFFECTS/RADIATION EFFECTS Gene Expression Regulation, Viral/DRUG
EFFECTS/RADIATION EFFECTS Hela Cells/DRUG EFFECTS/RADIATION
EFFECTS/VIROLOGY Human HIV Long Terminal Repeat/*DRUG
EFFECTS/RADIATION EFFECTS HIV-1/*PHYSIOLOGY NF-kappa B/BIOSYNTHESIS
Support, Non-U.S. Gov't Support, U.S. Gov't, P.H.S. Ultraviolet Rays
*Virus Activation/DRUG EFFECTS/RADIATION EFFECTS *Virus
Replication/DRUG EFFECTS/RADIATION EFFECTS JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).