Withaferin A Inhibits PMA-Induced MMP-9 Expression in Human Cervical Carcinoma Caski Cells

인간 자궁경부암세포인 Caski세포에서 withaferin A에 의한 PMA 매개 matrix metalloproteinase-9의 발현 억제 효과

  • Kim, Dong Eun (Department of Otolaryngology, School of Medicine, Keimyung University)
  • 김동은 (계명대학교 의과대학 이비인후과)
  • Received : 2013.03.04
  • Accepted : 2013.03.26
  • Published : 2013.03.30


Withaferin A is an active component of Withania somnifera, and has anti-inflammatory, anti-tumor, and immune modulatory effects. However, the effects of withaferin A on metalloproteinase (MMP)-9 expression and activity have not been investigated. In this study, we investigated the ability of withaferin A to inhibit MMP-9 expression and activity in PMA-treated human cervical carcinoma Caski cells. Withaferin A markedly inhibited the PMA-induced MMP-9 activity in a dose-dependent manner. Withaferin A decreased not only PMA-induced MMP-9 promoter activity but also PMA-mediated MMP-9 mRNA and protein expression in Caski cells. NF-${\kappa}B$ promoter activity, which is important in MMP-9 expression, was also decreased in combined treatment with withaferin A and PMA. Furthermore, withaferin A markedly suppressed the ability of PMA-mediated migration in Caski cells. Our findings suggest that withaferin A might inhibit PMA-induced migration through the down-regulation of MMP-9 expression and activity.


Supported by : 계명대학교


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