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A bFGF Antagonist Peptide with Anti-angiogenesis Properties in Non-small Cell Lung Cancer Cells

  • Ruixue Wang
  • Wu Luo
  • Xiangfeng Zeng
  • Jingfang Di
  • Yonglin Yu
  • Chuan Wang
  • Wenhui Wang
  • Xilei Chen
  • Dan He
  • Tao Li
  • Xiaoping Wu
Article
  • 207 Downloads

Abstract

Non-small cell lung cancer (NSCLC) is a leading cause of cancer-related mortality worldwide. Basic fibroblast growth factor (bFGF) is up-regulated in NSCLC patients and plays an important role in tumor growth and angiogenesis. Therefore, it is regarded as a potential therapeutic target of NSCLC. We have previously obtained a high-affinity bFGF antagonist peptide (named P7) with the potential of suppressing angiogenesis stimulated by bFGF from the phage display random heptapeptide library. Herein, we further revealed the underlying anti-angiogenic mechanisms of P7 peptides in human NSCLC cells. P7 not only inhibited the expressions of angiogenesis related factors including VEGF, MMP-2 and MMP-9 at both transcriptional and translational levels, but also induced significant changes in the expressions of proteins related to tumor growth and progress. Our results suggested that P7 peptides with potent anti-angiogenic activity may have therapeutic potential in NSCLC.

Keywords

bFGF antagonist peptide Angiogenesis Proteome Non-small cell lung cancer 

Notes

Acknowledgments

This work was supported by Grants from the National Natural Science Foundation of China (30973671, 81071800), the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry, the Guangdong Provincial Science and Technology Program (2010B060900040), the Natural Science Foundation of Guangdong Province of China (9151064001000031), the Natural Science Foundation of Zhejiang Province of China (Y2090292, Y4090379), the Science and Technology Planning Project of Wenzhou (Y20090244), the Fundamental Research Funds for the Central Universities (X. P. Wu), Guangdong Provincial ‘‘Thousand-Hundred-Ten Talent Project’’ (X. P. Wu), and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Jinan University.

Conflict of interest

The authors declare no conflicts of interest.

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Ruixue Wang
    • 1
  • Wu Luo
    • 1
  • Xiangfeng Zeng
    • 1
  • Jingfang Di
    • 1
  • Yonglin Yu
    • 1
  • Chuan Wang
    • 3
  • Wenhui Wang
    • 1
  • Xilei Chen
    • 1
  • Dan He
    • 1
  • Tao Li
    • 1
  • Xiaoping Wu
    • 1
    • 2
  1. 1.Institute of Tissue Transplantation and Immunology, Jinan UniversityGuangzhouChina
  2. 2.School of Pharmaceutical Science, Wenzhou Medical CollegeWenzhouChina
  3. 3.Department of ChemistryJinan UniversityGuangzhouChina

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