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Journal of Virology, November 2001, p. 10488-10492, Vol. 75, No. 21
MRC Laboratory of Molecular Biology,
Cambridge CB2 2QH,1 and CRC Institute
for Cancer Studies, University of Birmingham, Birmingham B15
2TA,2 United Kingdom
Received 21 May 2001/Accepted 25 July 2001
It has been suggested that Epstein-Barr virus (EBV) might suppress
antibody maturation either by facilitating bypass of the germinal
center reaction or by inhibiting hypermutation directly. However, by
infecting the Burkitt's lymphoma (BL) cell line Ramos, which
hypermutates constitutively and can be considered a transformed analogue of a germinal center B cell, with EBV as well as by
transfecting it with selected EBV latency genes, we demonstrate that
expression of EBV gene products does not lead to an inhibition of
hypermutation. Moreover, we have identified two natural EBV-positive BL
cell lines (ELI-BL and BL16) that hypermutate constitutively. Thus, contrary to expectations, EBV gene products do not appear to affect somatic hypermutation.
0022-538X/01/$04.00+0 DOI: 10.1128/JVI.75.21.10488-10492.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
Epstein-Barr Virus and the Somatic Hypermutation of
Immunoglobulin Genes in Burkitt's Lymphoma Cells
*
Corresponding author. Mailing address: MRC Laboratory
of Molecular Biology, Protein and Nucleic Acid Division, Hills Rd., Cambridge CB2 2QH, United Kingdom. Phone: 44 1223 402460. Fax: 44 1223 412178. E-mail: rsharris{at}mrc-lmb.cam.ac.uk.
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