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J. Virol., Jun 1995, 3752-3758, Vol 69, No. 6
F Chen, JZ Zou, L di Renzo, G Winberg, LF Hu, E Klein, G Klein and I Ernberg
Using reverse transcription of whole cellular RNA and nested PCR, we have
performed experiments mixing different proportions of Epstein-Barr virus
(EBV)-carrying and EBV-negative cells. Based on the results, a method that
detects viral transcripts for EBNA-1, EBNA-2, LMP1, and LMP2a from less
than one positive cell among 10(5) negative cells was developed. With this
method we have shown that the EBV DNA positive cells among small,
high-density peripheral blood B-lymphocytes of normal healthy persons
express EBNA-1-mRNA but not EBNA-2 or LMP1. A similar EBV expression
pattern is found in type I Burkitt lymphoma cells. We suggest that the
expression pattern in the lymphoma cells reflects the viral strategy in
normal resting B cells and meets the requirements of latent persistence.
Copyright © 1995, American Society for Microbiology
A subpopulation of normal B cells latently infected with Epstein-Barr virus resembles Burkitt lymphoma cells in expressing EBNA-1 but not EBNA-2 or LMP1
Microbiology and Tumor Biology Center, Karolinska Institutet, Stockholm, Sweden.
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