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Journal of Virology, September 2008, p. 8896-8899, Vol. 82, No. 17
0022-538X/08/$08.00+0 doi:10.1128/JVI.00406-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.

B. A. O'Hara,3,
T. E. Lane,1,2 and
W. J. Atwood3*
Department of Molecular Biology and Biochemistry, University of California, Irvine, California,1 Sue and Bill Gross Stem Cell Research Center, Irvine, California 92697,2 Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, Providence, Rhode Island 029123
Received 25 February 2008/ Accepted 17 June 2008
We studied the susceptibility of human embryonic stem cell-derived oligodendrocyte progenitor cells to infection with JC virus, the causative agent of progressive multifocal leukoencephalopathy (PML). A human embryonic stem cell line, H7, was used to derive an enriched population of cells expressing the oligodendrocyte progenitor cell-specific marker NG2. These cells expressed the 5HT2a receptor (5HT2aR) for JC virus and were highly susceptible to infection. Infection was reduced by treatment with anti-5HT2aR antibodies and by the 5HT2aR antagonists ritanserin and ketanserin. This is the first demonstration that human embryonic stem cell-derived oligodendrocyte progenitor cells are susceptible to JC virus infection and indicates that cells poised to replenish mature oligodendrocytes in PML lesions may also be a target of viral infection.
Published ahead of print on 25 June 2008.
These authors contributed equally to this work.
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