The natural agent 4-vinylphenol targets metastasis and stemness features in breast cancer stem-like cells

Cancer Chemotherapy and Pharmacology
Hoi-Wing LeungClara Bik-San Lau

Abstract

Cancer stem-like cells (CSC) are regarded as the source of tumour origins, metastasis and drug resistance, and limits current treatment regimens. Previously, we reported the first study of the anti-angiogenic and anti-tumour activities of 4-vinylphenol. To further examine the therapeutic role of 4-vinylphenol, the inhibitory effects of 4-vinylphenol on cancer stemness, drug resistance and metastasis in breast cancer were investigated in the present study. We enriched parental MDA-MB-231 cells with CSCs in serum-free medium to give spheroids. The effects of 4-vinylphenol on cancer stemness, metastasis and drug resistance in CSC-enriched MDA-MB-231 cells were studied in vitro and in vivo. CSC-enriched MDA-MB-231 cells demonstrated higher tumorigenic and metastatic potential. 4-Vinylphenol reduced spheroid formation and ALDH1 expression in CSC-enriched cultures, revealing its inhibitory effects on the traits of CSCs. 4-Vinylphenol suppressed colony formation and cell proliferation. 4VP also inhibited in vitro invasion and in vivo metastasis in zebrafish model. Our results showed that it reduced vimentin expression, suppressed cell migration, affected the expression and/or activity of MMPs, TIMPs and uPA. In addition, the expressio...Continue Reading

References

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