Article Publish Status: FREE
Abstract Title:

Cucurbitacin E as inducer of cell death and apoptosis in human oral squamous cell carcinoma cell line SAS.

Abstract Source:

Int J Mol Sci. 2013 ;14(8):17147-56. Epub 2013 Aug 20. PMID: 23965977

Abstract Author(s):

Chao-Ming Hung, Chi-Chang Chang, Chen-Wei Lin, Shun-Yao Ko, Yi-Chiang Hsu

Article Affiliation:

Chao-Ming Hung


Human oral squamous cell carcinoma (OSCC) is a common form of malignant cancer, for which radiotherapy or chemotherapy are the main treatment methods. Cucurbitacin E (CuE) is a natural compound previously shown to be an antifeedant as well as a potent chemopreventive agent against several types of cancer. The present study investigates anti-proliferation (using MTT assay, CuE demonstrated cytotoxic activity against SAS cell with IC50 values at 3.69µM) and induced apoptosis of human oral squamous cell carcinoma SAS cells after 24 h treatment with CuE. Mitochondrial membrane potential (MMP) and caspase activity were studied and our results indicate that CuE inhibits cell proliferation as well as the activation of apoptois in SAS cells. Both effects increased in proportion to the dosage of CuE and apoptosis was induced via mitochondria- and caspase-dependent pathways. CuE can induce cell death by a mechanism that is not dependent on apoptosis induction, and thus represents a promising anticancer agent for prevention and treatment of OSCC.

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