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M9620463.TXT
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1996-02-26
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Document 0463
DOCN M9620463
TI Function of human immunodeficiency virus type 1 Vpu protein in various
cell types.
DT 9602
AU Sakai H; Tokunaga K; Kawamura M; Adachi A; Institute for Virus Research,
Kyoto University, Japan.
SO J Gen Virol. 1995 Nov;76 ( Pt 11):2717-22. Unique Identifier : AIDSLINE
MED/96068804
AB We evaluated the function of human immunodeficiency virus type 1 vpu
gene in various cell lines. We established a highly sensitive system
consisting of chloramphenicol acetyltransferase and reverse
transcriptase assays and used it to monitor the effects of mutation of
the vpu gene. In some cell lines, Vpu protein was not required at the
early phase of viral replication but was important for efficient virion
production. In these cells, the Vpu protein functioned effectively
irrespective of the presence of intact env gene products. Likewise, CD4
gene expression had no effects on Vpu function. In the other cell lines
tested, Vpu protein was not important for virion release, and the vpu
mutant clone generated a normal level of progeny virions upon
transfection.
DE Animal Cell Line CD4-Positive T-Lymphocytes/CYTOLOGY/VIROLOGY Gene
Products, vpu/GENETICS/*PHYSIOLOGY *Genes, vpu Hela Cells Human
HIV-1/GENETICS/*PHYSIOLOGY Mice Mutation Support, Non-U.S. Gov't
Virus Replication 3T3 Cells JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).