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Eun Jeong Jang 1 Article
Detection of JC Virus T-Ag in Early Gastric Cancer.
Eun Jeong Jang, Jung Sik Jang, Jae Hoon Kim, Han Ik Bae, In Soo Suh
Korean J Pathol. 2010;44(5):456-461.
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AbstractAbstract PDF
JC virus (JCV) is a polyomavirus that commonly infects humans and can cause progressive multifocal leukoencephalopathy in immunocompromised patients. Recently, many reports have documented detection of JCV in gastrointestinal tract cancers. We investigated the presence of JCV in gastric adenocarcinoma, adenoma, and non-neoplastic gastric mucosa.
We selected paraffin-embedded tissue from endoscopic mucosal resections performed from January 2007 to September 2008. DNA was extracted from the paraffin-embedded specimens of 30 adenocarcinomas, 20 adenomas of the stomach, and 20 non-neoplastic gastric mucosa. Polymerase chain reaction amplifications were performed using gene-specific primers to detect the JCV gene sequences, and immunohistochemical staining was performed to detect the T-antigen (T-Ag) protein.
The T-Ag sequence was detected in nine of 30 gastric cancers (30%), two of 20 adenomas (10%), and eight of 20 non-neoplastic gastric mucosa specimens (40%). T-Ag protein expression was found in five of 30 gastric cancers (16.7%) and one of 20 non-neoplastic gastric mucosa specimens (5%), whereas no expression was observed in any of the adenomas.
Although we could not detect a correlation between JCV and gastric cancer, we demonstrated the presence of JCV T-Ag expression in human gastric cancers. These findings suggest a possible role for JCV in gastric carcinogenesis.


Citations to this article as recorded by  
  • Associations Between Gastric Cancer Risk and Virus Infection Other Than Epstein-Barr Virus: A Systematic Review and Meta-analysis Based on Epidemiological Studies
    Hui Wang, Xiao-Long Chen, Kai Liu, Dan Bai, Wei-Han Zhang, Xin-Zu Chen, Jian-Kun Hu
    Clinical and Translational Gastroenterology.2020; 11(7): e00201.     CrossRef

JPTM : Journal of Pathology and Translational Medicine