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Resequencing and copy number analysis of the human tyrosine kinase gene family in poorly differentiated gastric cancer

November 26, 2009 Gastric Obstruction No Comments

The tyrosine kinase (TK) family is an important regulator of signaling pathways that control a variety of physiological and pathological conditions, and a substantial proportion of TK genes are genetically altered in cancer. To clarify the somatic mutation profile of TK genes and discover potential targets for gastric cancer (GC) therapy, we undertook a systematic screening of mutations in the kinase domains of all human TK genes (636 exons of 90 genes) in 17 GC cell lines and 52 microdissected primary GCs with poorly differentiated histology. We identified 26 non-synonymous alterations (22 genes in total) that included 11 sequence alterations in cell lines and 15 somatic mutations in primary tumors. Recurrent mutations were found in four genes including a known oncogene (NTRK3), the Src k… Go to Source

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