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Detection of Epstein-Barr Virus Infection in Gastric Carcinomas Using Quantum Dot-Based Fluorescence In-Situ Hybridization

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Abstract:

Quantum dots were proposed as new fluorochromes for use in fluorescence in-situ hybridization. EBV-encoded small RNA, the most abundant viral product in latently infected cells, was detected by quantum dot fluorescence in-situ hybridization in paraffin-embedded tissue sections of gastric carcinoma. An indirect FISH approach using quantum dots streptavidin conjugates as secondary reporters and digoxigenin labeled EBV-encoded small RNA oligonucleotide probes as detectable molecules was employed. Quantum dot fluorescence in-situ hybridization offered a slightly higher sensitivity in detecting EBV-encoded small RNA in gastric carcinoma than chromogenic in-situ hybridization. Statistical analyses showed that the detected EBV-associated gastric carcinoma was not associated with any clinicopathological parameters of the Chinese gastric carcinoma patients investigated in this study.

Keywords: DETECTION; EPSTEIN-BARR VIRUS ENCODED RNA; FLUORESCENCE IN SITU HYBRIDIZATION; GASTRIC CARCINOMA; QUANTUM DOTS

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2011.5319

Publication date: November 1, 2011

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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