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A new microcolumn-type microchip for examining the expression of chimeric fusion genes using a nucleic acid sandwich hybridization technique. | LitMetric

A new microcolumn-type microchip for examining the expression of chimeric fusion genes using a nucleic acid sandwich hybridization technique.

J Chromatogr B Analyt Technol Biomed Life Sci

R&D Div., Medical Business Unit, Sony Corporation, 5-1-12 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001 Japan.

Published: November 2014

AI Article Synopsis

Article Abstract

We report a new type of microcolumn installed in a microchip. The architecture allows use of a nucleic acid sandwich hybridization technique to detect a messenger RNA (mRNA) chain as a target. Data are presented that demonstrate that the expression of a chimeric fusion gene can be detected. The microcolumn was filled with semi-transparent microbeads made of agarose gel that acted as carriers, allowing increased efficiency of the optical detection of fluorescence from the microcolumn. The hybrid between the target trapped on the microbeads and a probe DNA labeled with a fluorescent dye was detected by measuring the intensity of the fluorescence from the microcolumn directly. These results demonstrate an easy and simple method for determining the expression of chimeric fusion genes with no preamplification.

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Source
http://dx.doi.org/10.1016/j.jchromb.2014.08.036DOI Listing

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