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Proteomics. 2004 Nov;4(11):3353-8.

Identification of target proteins of N-acetylglucosaminyl-transferase V and fucosyltransferase 8 in human gastric tissues by glycomic approach.

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Systemic Proteomics Research Center, Korea Research Institute of Bioscience and Biotechnology, Taejon, Korea.


To understand better the mechanism underlying gastric cancer and search for potential markers for gastric cancer prognosis, the proteomic analysis of gastric cancer tissues was conducted using two-dimensional gel electrophoresis and lectin blot, followed by electrospray ionization-mass spectrometry. These approaches permitted identification of glyco- or putative glycosylated proteins which may be associated with tumorigenesis. The proteins identified include molecules involved in sugar metabolism, signal transduction, proteolysis, and stress, as well as several unknown proteins, which were aberrantly glycosylated as evidenced by the L-phytohemagglutinin blot.

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