Characterization of Epstein-Barr virus type 1 nuclear antigen 3C sequence patterns of nasopharyngeal and gastric carcinomas in northern China

Characterization of Epstein-Barr virus type 1 nuclear antigen 3C sequence patterns of... Epstein-Barr virus nuclear antigen protein 3C (EBNA3C) is a 992-amino-acid protein that has been shown to play a complex regulatory role in the transcription of viral and cellular genes. In this study, we successfully amplified 26 Epstein-Barr virus (EBV)-associated gastric carcinomas (EBVaGCs), 50 nasopharyngeal carcinomas (NPCs) and 27 throat washing (TW) samples from healthy donors. Based on a phylogenetic tree, the samples could be divided into three patterns. 3C-6 was the predominant subtype in northern China, and the variations between the strains sequenced in our study and those from southern China and Japan were similar, but differences were also identified. The distribution of EBNA3C subtypes among EBVaGCs, NPCs and healthy donors was not significantly different. These data suggest that EBNA3C gene variations are geographically restricted rather than tumor-specific polymorphisms. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Characterization of Epstein-Barr virus type 1 nuclear antigen 3C sequence patterns of nasopharyngeal and gastric carcinomas in northern China

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Publisher
Springer Vienna
Copyright
Copyright © 2012 by Springer-Verlag
Subject
Biomedicine; Medical Microbiology; Virology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-012-1241-y
Publisher site
See Article on Publisher Site

Abstract

Epstein-Barr virus nuclear antigen protein 3C (EBNA3C) is a 992-amino-acid protein that has been shown to play a complex regulatory role in the transcription of viral and cellular genes. In this study, we successfully amplified 26 Epstein-Barr virus (EBV)-associated gastric carcinomas (EBVaGCs), 50 nasopharyngeal carcinomas (NPCs) and 27 throat washing (TW) samples from healthy donors. Based on a phylogenetic tree, the samples could be divided into three patterns. 3C-6 was the predominant subtype in northern China, and the variations between the strains sequenced in our study and those from southern China and Japan were similar, but differences were also identified. The distribution of EBNA3C subtypes among EBVaGCs, NPCs and healthy donors was not significantly different. These data suggest that EBNA3C gene variations are geographically restricted rather than tumor-specific polymorphisms.

Journal

Archives of VirologySpringer Journals

Published: May 1, 2012

References

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