| Association between Epstein-Barr virus infection and chemoresistance to docetaxel in gastric carcinoma. | |
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MedLine Citation:
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PMID: 21626300 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Epstein-Barr virus (EBV) is associated with human cancers such as nasopharyngeal carcinoma, Burkitt's lymphoma, Hodgkin's disease, and gastric carcinoma (GC). EBV is associated with about 10% of all GC cases globally. EBV-associated GC has distinct features from EBV-negative GC. However, it is still unclear if EBV infection has any effect on GC chemoresistance. Cell proliferation assay, cell cycle analysis, and active caspase Western blot revealed that the EBV-positive GC cell line (AGS-EBV) showed chemoresistance to docetaxel compared to the EBV-negative GC cell line (AGS). Docetaxel treatment increased expression of Bax similarly in AGS and AGS-EBV cell lines. However, Bcl-2 induction was markedly higher in AGS-EBV cells, after docetaxel treatment. Although docetaxel increased the expression of p53 to a similar extent in both cell lines, induction of p21 in AGS-EBV cells was lower than in AGS cells. Furthermore, expression of survivin was higher in AGS-EBV cells than in AGS cells following docetaxel treatment as well as at basal state. EBVlytic gene expression was induced by docetaxel treatment in AGS-EBV cells. The results suggest that EBV infection and lytic induction confers chemoresistance to GC, possibly by regulating cellular and EBV latent and lytic gene expression. |
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Authors:
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Hee Jong Shin; Do Nyun Kim; Suk Kyeong Lee |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-5-27 |
Journal Detail:
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Title: Molecules and cells Volume: - ISSN: 0219-1032 ISO Abbreviation: - Publication Date: 2011 May |
Date Detail:
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Created Date: 2011-5-31 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9610936 Medline TA: Mol Cells Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Research Institute of Immunobiology, Department of Medical Lifescience, College of Medicine, The Catholic University of Korea, Seoul, 137-701, Korea. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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