Pathology & Oncology Research

, Volume 16, Issue 3, pp 353–360 | Cite as

S100A8/A9 Induces Apoptosis and Inhibits Metastasis of CasKi Human Cervical Cancer Cells

  • Fengjin Qin
  • Yao Song
  • Zijian Li
  • Ling Zhao
  • Youyi Zhang
  • Li GengEmail author


S100 proteins, a family of Ca2+-binding proteins, have been linked to several human diseases in recent years. Deregulated expression of S100 proteins, including S100A9 and its partner S100A8, was reported to be associated with neoplastic disorders. In our previous study using serial analysis of gene expression, we identified decreased expressions of S100A9 and S100A8 in human cervical squamous cell carcinoma. To investigate the functions of S100A8 and S100A9 in cervical cancer, we purified recombinant S100A8 and S100A9 proteins and treated CaSki human cervical cancer cells with these proteins. We found that S100A8/A9 induced apoptosis and inhibited migration of CaSki cells; S100A8/A9 also reduced the expression of matrix metalloproteinase (MMP)-2 in CaSki cells. In summary, this study suggests that S100A8 and S100A9 have inhibitory effects on the proliferation of CaSki carcinoma cells by inducing cell apoptosis and on the invasiveness of CaSki cells.


Apoptosis Cervical cancer Metastasis MMP-2 S100 proteins 



This work was supported by the National Natural Science Foundation of China (No.30571939 and 10772007). We wish to thank Dr. Philippe A. Tessier of University of Laval, Quebec, Canada for providing vectors pET28a-S100A8 and pET28a-S100A9.


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Copyright information

© Arányi Lajos Foundation 2009

Authors and Affiliations

  • Fengjin Qin
    • 1
  • Yao Song
    • 2
  • Zijian Li
    • 2
  • Ling Zhao
    • 1
  • Youyi Zhang
    • 2
  • Li Geng
    • 1
    Email author
  1. 1.Gynaecology and Obstetrics DepartmentPeking University Third HospitalBeijingPeople’s Republic of China
  2. 2.Institute of Vascular MedicinePeking University Third Hospital and Key Laboratory of Molecular Cardiovascular Science, Ministry of EducationBeijingPeople’s Republic of China

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