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1996-02-27
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33 lines
Document 0536
DOCN M9630536
TI High-titer packaging cells producing recombinant retroviruses resistant
to human serum.
DT 9603
AU Cosset FL; Takeuchi Y; Battini JL; Weiss RA; Collins MK; Chester Beatty
Laboratory, Institute of Cancer Research, London,; United Kingdom.
SO J Virol. 1995 Dec;69(12):7430-6. Unique Identifier : AIDSLINE
GENBANK/X87829
AB Novel retroviral protein expression constructs were designed to retain
minimal retroviral sequences and to express dominant selectable markers
by reinitiation of translation after expression of the viral genes.
HT1080 cells were selected as producer cells for their ability to
release high-titer viruses that are resistant to inactivation by human
serum. Two HT1080-based packaging cell lines which produce Moloney
murine leukemia virus cores with envelope glycoproteins of either
amphotropic murine leukemia virus (FLYA13 line) or cat endogenous virus
RD114 (FLYRD18 line) are described. Direct comparison with previous
retroviral packaging systems indicated that 100-fold-higher titers of
helper-free recombinant viruses were released by the FLYA13 and FLYRD18
lines.
DE Animal Base Sequence Blood/*VIROLOGY Cats Cell Line Comparative
Study DNA Primers Genes, env Genes, pol Hela Cells Human Leukemia
Viruses, Murine/GENETICS/PHYSIOLOGY Mice Molecular Sequence Data
Moloney Leukemia Virus/GENETICS/PHYSIOLOGY Polymerase Chain Reaction
*Recombination, Genetic Retroviridae/GENETICS/*PHYSIOLOGY Support,
Non-U.S. Gov't Viral Envelope Proteins/*BIOSYNTHESIS/GENETICS *Virus
Replication JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).