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Nihon Rinsho. 1997 Feb;55(2):381-5.

[Epstein-Barr virus associated gastric carcinoma: the genetic alteration and the expression of CD44 variant].

[Article in Japanese]

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First Department of Pathology, Jichi Medical School.


Epstein-Barr virus (EBV), a ubiquitous human herpes virus, was recently identified in 2-16% of gastric carcinomas. EBV-encoded small RNA was found in nearly all of the carcinoma cells even at the intramucosal stage. EBV in EBV associated gastric carcinoma (EBVaGC) is monoclonal based on Southern blot hybridization using probes adjacent to the unique terminal repeat of EBV-DNA. Furthermore, the genetic pathway of this carcinogenesis is different of EBVaGC: deletion of 5q and/or 17p and microsatellite instability are extremely rare in EBVaGC, in contrast to their high frequency in EBV-negative carcinomas. We also examined the relationship between the expression of CD44 variants and EBVaGC, and found the expression of CD44 variants was significantly correlated with EBV-etiology.

[Indexed for MEDLINE]

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