Identification of actionable mutations in surgically resected tumor specimens from Japanese patients with non-small cell lung cancer by ultra-deep targeted sequencing.
2017
7572 Background: Detection of tumor genetic alterations is critically needed for lung cancer clinic as well as for the development of molecular targeted therapeutics. Here we report the results of a broad spectrum of genetic alterations identified in Japanese non-small cell lung cancer (NSCLC) patients by ultra-deep targeted sequencing. Methods: Highly multiplexed amplicon sequencing was performed using genomic DNA extracted from snap-frozen tumor specimens. TruSeq amplicon cancer panel was used for the detection of somatic mutations in 48 cancer related genes followed by ultra-deep sequencing (Illumina) at an average coverage of approximately 2800x. ALK, ROS1 and RET traslocations and EGFR, MET, PIK3CA, FGFR1 and FGFR2 amplifications were also detected by multiplex RT-PCR and quantitative PCR, respectively. Results: The demographics of 204 consecutive patients enrolled in this prospective study at Shizuoka Cancer Center between July 2011 and November 2012: median age 69 years (range: 38-92); male 66%; ne...
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