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Xenotropic Properties of an Isolate from Murine Rauscher Leukemia Virus in Primate

Xenotropic Properties of an Isolate from Murine Rauscher Leukemia Virus in Primate Murine Rauscher leukemia virus (MuRLV) from BALB/c plasma consistingof a mixture of an ecotropic and a xenotropic virus could be separated out by a selectionprocess when propagated in human and simian cell cultures. This hypothesis is supportedby obtaining consistently lower infectivity titers of human cell propagated RLV in humanand simian cells as compared to MuRLV propagated in mouse cell cultures. Furthermore,RLV passaged in a simian cell culture failed to replicate in mouse cells, had a wide hostrange, was able to rescue Moloney sarcoma genome, possessed murine type C groupspecificantigen, and was neutralized by anti-HRLV. Its reverse transcriptase was stronglyinhibited by antiserum to MuRLV enzyme; however, antiserum to woolly monkey enzymealso inhibited (30%) its reverse transcriptase, suggesting some difference in antigenicproperties. Inoculation of this virus in rhesus monkeys was inconclusive. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Medical Primatology Karger

Xenotropic Properties of an Isolate from Murine Rauscher Leukemia Virus in Primate

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References (25)

Publisher
Karger
Copyright
© 1976 S. Karger AG, Basel
ISSN
0047-2565
eISSN
1600-0684
DOI
10.1159/000459953
Publisher site
See Article on Publisher Site

Abstract

Murine Rauscher leukemia virus (MuRLV) from BALB/c plasma consistingof a mixture of an ecotropic and a xenotropic virus could be separated out by a selectionprocess when propagated in human and simian cell cultures. This hypothesis is supportedby obtaining consistently lower infectivity titers of human cell propagated RLV in humanand simian cells as compared to MuRLV propagated in mouse cell cultures. Furthermore,RLV passaged in a simian cell culture failed to replicate in mouse cells, had a wide hostrange, was able to rescue Moloney sarcoma genome, possessed murine type C groupspecificantigen, and was neutralized by anti-HRLV. Its reverse transcriptase was stronglyinhibited by antiserum to MuRLV enzyme; however, antiserum to woolly monkey enzymealso inhibited (30%) its reverse transcriptase, suggesting some difference in antigenicproperties. Inoculation of this virus in rhesus monkeys was inconclusive.

Journal

Journal of Medical PrimatologyKarger

Published: Jan 1, 2017

Keywords: Murine oncornavirus; Primate cell cultures

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