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M9470064.TXT
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1994-07-02
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Document 0064
DOCN M9470064
TI Screening anti-HIV Chinese materia medica with HIV and equine infectious
anemic virus reverse transcriptase.
DT 9409
AU Tang X; Chen H; Zhang X; Quan K; Sun M; Institute of Medical
Biotechnology, CAMS, Beijing.
SO J Tradit Chin Med. 1994 Mar;14(1):10-3. Unique Identifier : AIDSLINE
MED/94254497
AB The inhibitory activities of human immunodeficiency virus reverse
transcriptase (HIV-RT) inhibitors PFA and Suramin against HIV-RT and
equine infectious anemic virus reverse transcriptase (EIAV-RT) were
studied in this paper. The 50% inhibitory concentration (IC50) of HIV-RT
and EIAV-RT treated by PFA and Suramin were 0.2 mumol, 9.8 mumol and 17
mumol, 19.9 mumol, respectively. More than thirty Chinese medicines,
including recipes, herbs, extracts of traditional materia medica and
isolated compounds were tested using HIV-RT and EIAV-RT as target
enzymes. It was found that 5 crude extracts such as Rhizoma Polygoni
Cuspidati, and Radix Notoginseng, 7 isolated compounds like Flavone of
Ramulus Visci, Flavone of Ajuga Decumbens Thumb, and Aristolochic acid,
as well as the extract of the complex prescription Xiao Chai Hu Tang
have shown various inhibitory actions on these two enzymes. The
activities of the two enzymes were comparable, but HIV-RT was more
sensitive, suggesting that HIV-RT can be used as index for the screening
of anti-aids drugs.
DE Animal Antiviral Agents/*PHARMACOLOGY Drug Screening Drugs, Chinese
Herbal/*PHARMACOLOGY HIV/*DRUG EFFECTS/ENZYMOLOGY Infectious Anemia
Virus, Equine/*DRUG EFFECTS/ENZYMOLOGY Reverse Transcriptase/*DRUG
EFFECTS/METABOLISM Suramin JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).