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M9620200.TXT
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1996-02-26
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Document 0200
DOCN M9620200
TI Residual expression of reporter genes in constructs mimicking HIV genome
organization.
DT 9602
AU Chenciner N; Pedroza Martins L; Hanania N; Stratford Perricaudet L;
Perricaudet M; Wain-Hobson S; Unite de Retrovirologie moleculaire,
Institut Pasteur, Paris,; France.
SO Res Virol. 1995 May-Jun;146(3):171-8. Unique Identifier : AIDSLINE
MED/96075767
AB Plasmids were constructed whereby the expression of a reporter gene,
either the cDNA corresponding to the secreted form of human alkaline
phosphatase (SEAP) or the herpes simplex virus type 1 (HSV1) thymidine
kinase (tk) gene, was rendered dependent upon the expression of the
human immunodeficiency virus type 1 (HIV1) tat and rev proteins. The
SEAP or tk genes were placed between HIV1 splice donor and acceptor
sites. One SEAP construct carried a series of alternating splice donor
and acceptor sites. In all cases, the rev response element mapped within
an intron. Despite such mimicry of the HIV1 genome, residual expression
of the reporter gene in the absence of tat and rev was observed. These
results, as well as non-specific T-cell recruitment, suggest limits to
the specificity of using HIV-activated toxic gene expression to kill
HIV-infected cells.
DE Acquired Immunodeficiency Syndrome/THERAPY/VIROLOGY Alkaline
Phosphatase/GENETICS Animal Base Sequence Cell Line DNA Primers
Gene Expression Regulation, Enzymologic Gene Expression Regulation,
Viral Gene Products, rev/GENETICS Gene Products, tat/GENETICS Gene
Therapy *Genes, Reporter Genetic Vectors Genome, Viral Herpesvirus
1, Human/ENZYMOLOGY/GENETICS Human HIV-1/*GENETICS Mice Molecular
Sequence Data RNA, Messenger Support, Non-U.S. Gov't
T-Lymphocytes/VIROLOGY Thymidine Kinase/GENETICS JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).