Abstract Title:

1,25-Dihydroxyvitamin D3 alleviates salivary adenoid cystic carcinoma progression by suppressing GPX1 expression through the NF-κB pathway.

Abstract Source:

Int J Oncol. 2016 Jan 15. Epub 2016 Jan 15. PMID: 26782341

Abstract Author(s):

Zhiquan Huang, Yeqing Liu, Zixian Huang, Haifeng Li, Xiangfeng Gan, Zhuojian Shen

Article Affiliation:

Zhiquan Huang

Abstract:

1,25-Dihydroxyvitamin D3 (1,25D3) is the active form of vitamin D with antineoplastic effects. The glutathione peroxidase-1 (GPX1) gene is associated with tumour progression. The present study aimed to explore the role of GPX1 in 1,25D3-mediated progression of salivary adenoid cystic carcinoma (SACC). Downregulating GPX1 expression inhibited SACC cell proliferation, chemoresistance, motility, and uPA secretion, but promoted apoptosis via the NF-κB pathway. Pre-processing 1,25D3 inhibited expression of NF-κB/GPX1/uPA, which subsequently suppressed cell motility and cisplatin-resistance in ACC-2 cells. In conclusion, 1,25D3 works as a modifier of NF-κB/GPX1/uPA expression, inhibiting cisplatin-resistance and cell invasive ability of SACCcells. The present study comprehensively elucidated the potential mechanism underlying the effects of vitamin D on chemoresistance and invasive potential in SACC.

Study Type : In Vitro Study

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