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M94B0803.TXT
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1994-11-11
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Document 0803
DOCN M94B0803
TI Short, terminally phosphorylated oligoriboguanylic acids effectively
inhibit cytopathicity caused by human immunodeficiency virus.
DT 9412
AU Fujihashi T; Sakata T; Kaji A; Kaji H; Department of Pharmacology,
Jefferson Medical College,; Philadelphia, PA 19107.
SO Biochem Biophys Res Commun. 1994 Sep 15;203(2):1244-50. Unique
Identifier : AIDSLINE MED/94380036
AB Various synthetic ribonucleic acids were evaluated for inhibition of
HIV-induced cytopathicity of cultured cells; only poly and oligoguanylic
acids, but not other homopolymers, showed potent inhibitory activity.
Phosphorylation of either the 5'- or 3'-end of oligoribonucleotides
converted short inactive oligomers, such as dimers to effective anti-HIV
agents. The efficacy of the 3'-phosphorylated phosphorothioate trimer of
guanylic acid was comparable to that of other longer oligonucleotides so
far reported. Phosphorothioate oligoriboguanylic acids were superior to
the corresponding oligodeoxyguanylic acids in their capacity to prevent
HIV cytopathicity.
DE Antiviral Agents/*PHARMACOLOGY Cell Line Comparative Study
Cytopathogenic Effect, Viral/*DRUG EFFECTS DNA/ANTAGONISTS &
INHIB/PHARMACOLOGY Guanine Nucleotides/*PHARMACOLOGY Human HIV/DRUG
EFFECTS/*PHYSIOLOGY Macromolecular Systems
Oligoribonucleotides/CHEMISTRY/*PHARMACOLOGY Phosphorylation Poly
G/PHARMACOLOGY Polyribonucleotides/PHARMACOLOGY Structure-Activity
Relationship Thionucleotides/PHARMACOLOGY T4 Lymphocytes JOURNAL
ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).