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M94A0294.TXT
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1994-10-08
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Document 0294
DOCN M94A0294
TI Sodium benzylideneascorbate induces apoptosis in HIV-replicating U1
cells.
DT 9412
AU Aoki K; Nakashima H; Hattori T; Shiokawa D; Ni-imi E; Tanimoto Y; Maruta
H; Uchiumi F; Kochi M; Yamamoto N; et al; Department of Biochemistry,
Faculty of Pharmaceutical Sciences,; Science University of Tokyo, Japan.
SO FEBS Lett. 1994 Aug 29;351(1):105-8. Unique Identifier : AIDSLINE
MED/94357260
AB U1 cells, a subclone of U937 cells chronically infected with human
immunodeficiency virus type 1 (HIV-1), produced HIV-1 only in the
presence of inducers such as 12-O-tetradecanoxylphorbol 13-acetate (TPA)
or tumor necrosis factor (TNF)-alpha. The expression of HIV-antigen on
U1 cells induced by TPA or TNF-alpha was found to be prevented by sodium
5,6-benzylidene-L-ascorbate (SBA) in a concentration-dependent manner.
Treatment of U1 cells with SBA in the presence of inducers resulted in
cell death with cell shrinkage, chromatin condensation and DNA
fragmentation into nucleosomal oligomers, characteristics of apoptosis.
In contrast, SBA had scarcely any apoptotic effect on U1 cells in the
absence of inducers. SBA did not also induce apoptosis in parental U937
cells in the presence or absence of inducers. These results suggest that
HIV-replicating U1 cells selectively undergo apoptosis on treatment with
SBA.
DE Antiviral Agents/*PHARMACOLOGY Apoptosis/*DRUG EFFECTS Ascorbic
Acid/*ANALOGS & DERIVATIVES/PHARMACOLOGY Benzylidene
Compounds/*PHARMACOLOGY Human HIV Antigens/ANALYSIS HIV-1/*DRUG
EFFECTS Molecular Structure Support, Non-U.S. Gov't
Tetradecanoylphorbol Acetate/PHARMACOLOGY Tumor Cells, Cultured Tumor
Necrosis Factor/PHARMACOLOGY Virus Replication/DRUG EFFECTS JOURNAL
ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).