Sulforaphane-Induced Apoptosis was Regulated by p53 and Caspase-3 Dependent Pathway in Human Chondrosarcoma, HTB-94

Sulforaphane에 의한 p53 및 caspase-3 의존 신호전달계를 통한 인간 연골암 세포주 HTB-94에서의 세포사멸 기전 연구

  • Received : 2011.04.01
  • Accepted : 2011.05.26
  • Published : 2011.06.30


Sulforaphane (SFN) is an isothiocyanate, isolated from glucoraphanin in broccoli and other cruciferaous vegetables. Recent studies have revealed that SFN induces anti-proliferation and apoptosis by cell cycle arrest in various cancer cells. In this study, we investigated the effect of SFN induced apoptosis in chondrosarcoma HTB-94 cells. SFN caused suppression of proliferation and apoptosis in a dose-dependent manner as determined by cell phenotype, MTT assay and FACS analysis in HTB-94 cells. Treatment of SFN led to caspase-3 activation and p53 accumulation as determined by Western blot analysis. Also, SFN significantly induced DNA fragmentation and nuclear degradation though activation of caspase-3, as detected by DNA electrophoresis and immunostaining, respectively. Our results indicate that SFN-induced apoptosis was regulated by p53 and caspase-3 dependent pathways. Furthermore, SFN may act as a potent anti-proliferation agent, and as a promising candidate for molecular-targeting chemotherapy against human chondrosarcoma cells.




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