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Characterization of naturally Epstein-Barr virus-infected gastric carcinoma cell line YCCEL1.

Authors
 Do Nyun Kim  ;  Min Koo Seo  ;  Hoyun Choi  ;  Su Yeon Kim  ;  Hee Jong Shin  ;  A-Ran Yoon  ;  Qian Tao  ;  Sun Young Rha  ;  Suk Kyeong Lee 
Citation
 JOURNAL OF GENERAL VIROLOGY, Vol.94(Pt3) : 497-506, 2013 
Journal Title
JOURNAL OF GENERAL VIROLOGY
ISSN
 0022-1317 
Issue Date
2013
MeSH
Blotting, Southern ; Carcinoma/virology* ; Cell Line, Tumor ; Gene Expression Regulation/physiology ; Genome, Viral ; Herpesvirus 4, Human/physiology* ; Humans ; MicroRNAs/genetics ; MicroRNAs/metabolism ; Real-Time Polymerase Chain Reaction ; Receptors, Complement 3d/genetics ; Receptors, Complement 3d/metabolism ; Stomach Neoplasms/virology* ; Viral Proteins/genetics ; Viral Proteins/metabolism
Keywords
Blotting, Southern ; Carcinoma/virology* ; Cell Line, Tumor ; Gene Expression Regulation/physiology ; Genome, Viral ; Herpesvirus 4, Human/physiology* ; Humans ; MicroRNAs/genetics ; MicroRNAs/metabolism ; Real-Time Polymerase Chain Reaction ; Receptors, Complement 3d/genetics ; Receptors, Complement 3d/metabolism ; Stomach Neoplasms/virology* ; Viral Proteins/genetics ; Viral Proteins/metabolism
Abstract
Epstein-Barr virus (EBV) is a herpesvirus associated with lymphomas and carcinomas. While EBV-associated epithelial cell lines are good model systems to investigate the role of EBV in carcinoma, only a few cell lines are available as they are hard to acquire. A greater variety of naturally EBV-infected cell lines which are derived from tumour patients are needed to represent various features of EBVaGC. We characterized cell line YCCEL1, established from a Korean EBVaGC patient, to ascertain whether it can be used to study the roles of EBV in EBVaGC. The expression of EBV genes and cell surface markers was examined by in situ hybridization, RT-PCR, Western blot analysis, immunofluorescence assay and Northern blot analysis. EBV episomal status was analysed by Southern blotting and real-time PCR. This cell line expressed EBV nuclear antigen 1 (EBNA1) and latent membrane protein 2A (LMP2A), but not EBNA2, LMP2B nor LMP1. The majority of the lytic proteins were not detected in YCCEL1 cells either before or after treatment with 12-O-tetradecanoylphorbol-13-acetate. YCCEL1 cells expressed BART microRNAs (miRNAs) at high level but did not express BHRF1 miRNAs. YCCEL1 cells expressed cytokeratin, but not CD21 and CD19, suggesting CD21-independent EBV infection. The latent EBV gene and EBV miRNA expression pattern of YCCEL1 cells closely resembled that of general EBVaGC cases. Our results support the value of YCCEL1 cells as a good model system to study the role of EBV in gastric carcinogenesis.
Files in This Item:
T201300327.pdf Download
DOI
10.1099/vir.0.045237-0
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Rha, Sun Young(라선영) ORCID logo https://orcid.org/0000-0002-2512-4531
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/86376
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