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C. Xu



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    MINI 26 - Circulating Tumor Markers (ID 148)

    • Event: WCLC 2015
    • Type: Mini Oral
    • Track: Biology, Pathology, and Molecular Testing
    • Presentations: 1
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      MINI26.03 - Detecting C-MET Amplification in Blood and Tumor Tissue of Non-Small Cell Lung Cancer (ID 143)

      16:45 - 18:15  |  Author(s): C. Xu

      • Abstract
      • Slides

      Background:
      To detect the consistency of the c-MET gene amplification in peripheral blood and tumor tissue of patients with non small cell lung cancer and discuss the clinical application value of c-MET gene amplification in peripheral blood.

      Methods:
      Real-time fluorescent quantitative PCR was used to test the tissues in 257 patients of non small cell lung cancers and the peripheral blood samples in 318 patients of non small cell lung cancer, of which 185 cases of peripheral blood specimens could match the tissue samples, and detected the c-MET gene amplification in them by comparison of amplifications consistency in blood and tissue samples, and analysed the correlation between c-MET gene amplification and clinical characteristics of patients.

      Results:
      The c-MET gene amplification rate was 9.75% in peripheral blood of 31 patients with non small cell lung cancer，and was 8.95% in 23 cancer tissues, the amplification consistency was 81.25% in peripheral blood-tumor tissue matched samples. The difference was statistically significant (P<0.05).

      Conclusion:
      The consistency of the c-MET gene amplification in peripheral blood and tissue is high. c-MET gene amplification of peripheral blood could be used for clinical diagnosis and treatment in cases when tissue specimen is hard to get．

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