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M9650491.TXT
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1996-03-09
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Document 0491
DOCN M9650491
TI L-cycloserine, an inhibitor of sphingolipid biosynthesis, inhibits HIV-1
cytopathic effects, replication, and infectivity.
DT 9605
AU Mizrachi Y; Lev M; Harish Z; Sundaram SK; Rubinstein A; Department of
Pediatrics, Microbiology and Immunology, Albert; Einstein College of
Medicine, Bronx, NY 10461, USA.
SO J Acquir Immune Defic Syndr Hum Retrovirol. 1996 Feb 1;11(2):137-41.
Unique Identifier : AIDSLINE MED/96147313
AB Drugs that reduce viral production or prevent viral spread by
interference with the host's cellular components are unlikely to induce
resistance, in contrast to treatment modalities that interact with the
HIV-1 life cycle. Two features make L-cycloserine (L-CS) a candidate
drug of this kind: (a) L-CS is a potent inhibitor of the sphingolipid
pathway (b) sphingolipids, galactocerebrosides, and sulfatides have been
shown, by others, to bind gp120. In a feasibility and efficacy study, we
have found that L-CS inhibits HIV-1 replication in a CD4+ lymphoid cell
line (CEM) as documented by the reduction of syncytium formation, the
number of HIV-1 infected cells, and p24 protein production. This
observation may lead to a new strategy for the treatment of HIV-1
infection.
DE Antimetabolites/*PHARMACOLOGY Cell Line Cycloserine/*PHARMACOLOGY
Cytopathogenic Effect, Viral/DRUG EFFECTS CD4-Positive
T-Lymphocytes/PHYSIOLOGY/VIROLOGY Fluorescent Antibody Technique Giant
Cells Human HIV Core Protein p24/BIOSYNTHESIS HIV-1/*DRUG
EFFECTS/PHYSIOLOGY Sphingolipids/*ANTAGONISTS & INHIB/BIOSYNTHESIS
Support, Non-U.S. Gov't Support, U.S. Gov't, P.H.S. Virus
Replication/*DRUG EFFECTS/PHYSIOLOGY JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).