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M94A0293.TXT
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1994-10-08
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Document 0293
DOCN M94A0293
TI Certain phosphoramidate derivatives of dideoxy uridine (ddU) are active
against HIV and successfully by-pass thymidine kinase.
DT 9412
AU McGuigan C; Bellevergue P; Sheeka H; Mahmood N; Hay AJ; Welsh School of
Pharmacy, University of Wales Cardiff, UK.
SO FEBS Lett. 1994 Aug 29;351(1):11-4. Unique Identifier : AIDSLINE
MED/94357262
AB As part of our effort to deliver masked phosphates inside living cells
we have discovered that certain phosphate triester derivatives of the
inactive nucleoside analogue, dideoxy uridine (ddU) are inhibitors of
HIV replication at microM levels. Moreover, we note that certain
phosphoramidate derivatives retain their activity in thymidine
kinase-deficient cells, which indicates that they do indeed act by
intracellular release of the free nucleotide, and that they successfully
by-pass the nucleoside kinase. The increased structural freedom in drug
design which this allows may have implications for dealing with the
emergence of resistance and may stimulate the discovery of improved
therapeutic agents.
DE Antiviral Agents/*PHARMACOLOGY Cell Line Cell Line, Transformed
Chromatography, High Pressure Liquid
Dideoxynucleosides/CHEMISTRY/*PHARMACOLOGY Human HIV-1/*DRUG
EFFECTS/PHYSIOLOGY Molecular Structure Nuclear Magnetic Resonance
Organophosphorus Compounds/*CHEMISTRY Spectrum Analysis, Mass Support,
Non-U.S. Gov't Thymidine Kinase/*DRUG EFFECTS *Uridine JOURNAL
ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).