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Fei Wang



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    EP1.01 - Advanced NSCLC (ID 150)

    • Event: WCLC 2019
    • Type: E-Poster Viewing in the Exhibit Hall
    • Track: Advanced NSCLC
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/08/2019, 08:00 - 18:00, Exhibit Hall
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      EP1.01-95 - Up-Regulation of c-Met by Cox-2 Promotes Resistance of Gefitinib in NSCLC Patients (ID 3049)

      08:00 - 18:00  |  Presenting Author(s): Fei Wang

      • Abstract
      • Slides

      Background

      c-Met amplification is one of the reasons for Gefitinib resistance in NSCLC patients.

      Method

      1.Explore the mechanism of the up-regulation of c-Met by Cox-2; 2.Combination of Cox-2 inhibitor and Gefitinib can overcome Gefitinib resistance in cells or animal study; 3.Test the expression pattern or activity of Cox-2 in NSCLC patients, and evaluate the possibility of Cox-2 serving as biomarker for Gefitinib resistance and prognosis for NSCLC patients.

      Result

      1.Both c-met and Cox-2 are highly expressed in Gefitinib resistant lung cancer cell lines; 2.Cox-2 is highly expressed in malignant lung adenocarcinoma than in matched normal tissues; 3.Inhibition of Cox-2 can decrease c-Met expression´╝î and promote apoptosis induced by Gefitinib in Gefitinib resistant cells.

      Conclusion

      Up-regulation of c-Met by Cox-2 promotes resistance of Gefitinib in NSCLC patients

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