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Inhibition of yes-associated protein suppresses brain metastasis of human lung adenocarcinoma in a murine model

  • Ping Chih Hsu
  • , Jinbai Miao
  • , Zhen Huang
  • , Yi Lin Yang
  • , Zhidong Xu
  • , Joanna You
  • , Yuyuan Dai
  • , Che Chung Yeh
  • , Geraldine Chan
  • , Shu Liu
  • , Anatoly Urisman
  • , Cheng Ta Yang
  • , David M. Jablons
  • , Liang You*
  • *此作品的通信作者
  • University of California at San Francisco
  • Chang Gung Memorial Hospital
  • Capital Medical University
  • Chinese Academy of Medical Sciences

研究成果: 期刊稿件文章同行評審

28 引文 斯高帕斯(Scopus)

摘要

Yes-associated protein (YAP) is a main mediator of the Hippo pathway and promotes cancer development and progression in human lung cancer. We sought to determine whether inhibition of YAP suppresses metastasis of human lung adenocarcinoma in a murine model. We found that metastatic NSCLC cell lines H2030-BrM3(K-rasG12C mutation) and PC9-BrM3 (EGFRΔexon19 mutation) had a significantly decreased p-YAP(S127)/YAP ratio compared to parental H2030 (K-rasG12C mutation) and PC9 (EGFRΔexon19 mutation) cells (P <.05). H2030-BrM3 cells had significantly increased YAP mRNA and expression of Hippo downstream genes CTGF and CYR61 compared to parental H2030 cells (P <.05). Inhibition of YAP by short hairpin RNA (shRNA) and small interfering RNA (siRNA) significantly decreased mRNA expression in downstream genes CTGF and CYR61 in H2030-BrM3 cells (P <.05). In addition, inhibiting YAP by YAP shRNA significantly decreased migration and invasion abilities of H2030-BrM3 cells (P <.05). We are first to show that mice inoculated with YAP shRNA-transfected H2030-BrM3 cells had significantly decreased metastatic tumour burden and survived longer than control mice (P <.05). Collectively, our results suggest that YAP plays an important role in promoting lung adenocarcinoma brain metastasis and that direct inhibition of YAP by shRNA suppresses H2030-BrM3 cell brain metastasis in a murine model.

原文英語
頁(從 - 到)3073-3085
頁數13
期刊Journal of Cellular and Molecular Medicine
22
發行號6
DOIs
出版狀態已出版 - 06 2018
對外發佈

文獻附註

Publisher Copyright:
© 2018 The Authors. Journal of Cellular and Molecular Medicine published by John Wiley & Sons Ltd and Foundation for Cellular and Molecular Medicine.

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