Abstract Title:

Genistein inhibits nasopharyngeal cancer stem cells through sonic hedgehog signaling.

Abstract Source:

Phytother Res. 2019 Jul 24. Epub 2019 Jul 24. PMID: 31342620

Abstract Author(s):

Qi Zhang, Wan-Shuang Cao, Xue-Qi Wang, Min Zhang, Xiao-Min Lu, Jia-Qi Chen, Yue Chen, Miao-Miao Ge, Cai-Yun Zhong, Hong-Yu Han

Article Affiliation:

Qi Zhang


Genistein, a soy derived isoflavanoid compound, exerts anticancer effects in various cancers. Nasopharyngeal cancer stem cells (NCSCs) are a small subpopulation of cancer cells which are responsible for initiation, progression, metastasis, and recurrence of nasopharyngeal cancer. The present study aimed to investigate the suppressive effects of genistein on NCSCs and its underlying mechanism. NCSCs were enriched from human nasopharyngeal cancer cell lines CNE2 and HONE1 through tumorsphere-forming assay. It was shown that genistein inhibited the tumorsphere formation capacity, decreased the number of EpCAMcells, downregulated the expression of NCSCs markers, suppressed cell proliferation, and induced apoptosis of NCSCs. Genistein suppressed the activity of Sonic hedgehog (SHH) signaling, which was important for the maintenance of NCSCs, while activation of SHH signaling by purmorphamine diminished the inhibitory effects of genistein on NCSCs. Our data suggested that genistein inhibited NCSCs through the suppression of SHH signaling. These findings support the use of genistein for targeting NCSCs.

Study Type : In Vitro Study

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