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1996-03-30
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Document 1049
DOCN M9651049
TI In vitro anti-HIV-1 activity of HIV protease inhibitor KNI-272 in
resting and activated cells: implications for its combined use with AZT
or ddI.
DT 9505
AU Chokekijchai S; Shirasaka T; Weinstein JN; Mitsuya H; Experimental
Retrovirology Section, National Cancer Institute,; Bethesda, MD 20892,
USA.
SO Antiviral Res. 1995 Sep;28(1):25-38. Unique Identifier : AIDSLINE
MED/96105495
AB KNI-272, a conformationally constrained human immunodeficiency virus
(HIV) protease inhibitor containing a P1 allophenylnorstatine (Apns)
((2S,3S)- 3-amino-2-hydroxy-4-phenylbutyric acid), has been shown to be
a selective and potent inhibitor of the replication of a wide spectrum
of HIV strains in vitro. When KNI-272 was tested in combination with
3'-azido-2',3'-dideoxythymidine (AZT) or 2',3'-dideoxyinosine (ddI)
against a primary HIV-1 isolate in phytohemagglutin-activated peripheral
blood mononuclear cells (PHA-PBM), its activity was identified to be
additive, but not synergistic or antagonistic, as analyzed with the
COMBO program package. When tested alone for anti-HIV-1 activity in
resting PBM (R-PBM) and PHA-PBM, KNI-272 was found to be comparably
potent against the virus in both target cell populations, whereas AZT
was more potent in PHA-PBM than in R-PBM and ddI was more potent in
R-PBM. These data suggest a potential clinical application of KNI-272
and its analogs.
DE Antiviral Agents/*PHARMACOLOGY Cells, Cultured
Didanosine/*PHARMACOLOGY Drug Interactions Human HIV Protease
Inhibitors/*PHARMACOLOGY HIV-1/*DRUG EFFECTS/ENZYMOLOGY Leukocytes,
Mononuclear/CYTOLOGY Molecular Structure Oligopeptides/*PHARMACOLOGY
Phytohemagglutinins/PHARMACOLOGY Zidovudine/*PHARMACOLOGY JOURNAL
ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).