Article Publish Status: FREE
Abstract Title:

Honokiol induces apoptosis of lung squamous cell carcinoma by targeting FGF2-FGFR1 autocrine loop.

Abstract Source:

Cancer Med. 2018 Dec ;7(12):6205-6218. Epub 2018 Dec 5. PMID: 30515999

Abstract Author(s):

Mengyuan Cen, Yinan Yao, Luyun Cui, Guangdie Yang, Guohua Lu, Liangjie Fang, Zhang Bao, Jianying Zhou

Article Affiliation:

Mengyuan Cen


Lung squamous cell carcinoma (SCC) accounts for a considerable proportion of lung cancer cases, but there is still a lack of effective therapies. FGFR1 amplification is generally considered a promising therapeutic target. Honokiol is a chemical compound that has been proven to be effective against various malignancies and whose analog has been reported to target the mitogen-activated protein kinase family, members of a downstream signaling pathway of FGFR1. This was an explorative study to determine the mechanism of honokiol in lung SCC. We found that honokiol induced apoptosis and cell cycle arrest in lung SCC cell lines in a time- and dose-dependent manner. Honokiol also restricted cell migration in lung SCC cell lines. Moreover, the expression of FGF2 and the activation of FGFR1 were both downregulated by honokiol. Pharmacological inhibition and siRNA knockdown of FGFR1 induced apoptosis in lung SCC cells. Our in vivo study indicated that honokiol could suppress the growth of xenograft tumors, and this effect was associated with the inhibition of the FGF2-FGFR1 signaling pathway. In conclusion, honokiol induced cell apoptosis in lung SCC by targeting the FGF2-FGFR1 autocrine loop.

Study Type : Animal Study, In Vitro Study

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