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Advances in Virology
Volume 2011 (2011), Article ID 940210, 10 pages
http://dx.doi.org/10.1155/2011/940210
Review Article

Endogenous Murine Leukemia Viruses: Relationship to XMRV and Related Sequences Detected in Human DNA Samples

Department of Molecular Biology and Microbiology and Genetics Program, Sackler School of Graduate Biomedical Sciences, Tufts University, Boston, MA 02111, USA

Received 15 June 2011; Accepted 7 July 2011

Academic Editor: Arifa S. Khan

Copyright © 2011 Oya Cingöz and John M. Coffin. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Xenotropic-murine-leukemia-virus-related virus (XMRV) was the first gammaretrovirus to be reported in humans. The sequence similarity between XMRV and murine leukemia viruses (MLVs) was consistent with an origin of XMRV from one or more MLVs present as endogenous proviruses in mouse genomes. Here, we review the relationship of the human and mouse virus isolates and discuss the potential complications associated with the detection of MLV-like sequences from clinical samples.