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Anti-Cancer Agents in Medicinal Chemistry


ISSN (Print): 1871-5206
ISSN (Online): 1875-5992

Research Article

AZD4547 and the Alleviation of Hepatoma Cell Sorafenib Resistance via the Promotion of Autophagy

Author(s): Yun Feng, Dan Zhang, Gaixia He, Yaping Liu, Yan Zhao, Xiaoyang Ren, Huanhuan Sun, Guifang Lu, Zhiyong Zhang, Li Ren, Yan Yin, Hongxia Li* and Shuixiang He*

Volume 22, Issue 18, 2022

Published on: 28 June, 2022

Page: [3107 - 3113] Pages: 7

DOI: 10.2174/1871520622666220425124419

Price: $65


Background: This study is part of a larger research effort to explore the molecular mechanism of hepatocellular carcinoma, reduce drug resistance and seek new targets.

Objective: The objective of this study is to investigate the effect and mechanism of fibroblast growth factor receptor inhibitor AZD4547 on Sorafenib-resistant hepatoma cells.

Methods: First, we constructed a Sorafenib-resistant hepatoma cell line Huh7R. Different groups of Huh7R cells were treated with Sorafenib, AZD4547, Sorafenib combined with AZD4547, and normal saline. The cell viability was detected by Cell Counting Kit-8. Then Fibroblast growth factor receptor and Toll-like receptor 4 were detected by Western blot, as well as the LC3 II/I, Beclin1, and P62. In addition, we used the autophagy inhibitor 3-methyladenine to identify the mechanism of AZD4547 combined with Sorafenib for inducing Sorafenib-resistant hepatoma cell death.

Results: We find that AZD4547 combined with Sorafenib significantly inhibited the viability of Sorafenib-resistant hepatoma cell Huh7R. As for its mechanism, AZD4547 was able to inhibit fibroblast growth factor receptor activity, promote autophagy and regulate immunity. AZD4547 increased LC3 II/I, Beclin1, and Toll-like receptor 4 proteins, and decreased P62 protein level in Huh7R cells significantly when given in combination with sorafenib. Furthermore, 3-methyladenine inhibited autophagy and reversed the killing effect of the combination of AZD4547 and Sorafenib on Huh7R cells.

Conclusion: The inhibition of fibroblast growth factor receptor activity by AZD4547 can significantly enhance autophagy and immune response, as well as promote the death of Sorafenib-resistant hepatoma cells.

Keywords: Hepatoma, fibroblast growth factor receptor, Sorafenib, drug resistance, autophagy, Toll-like receptor 4.

Graphical Abstract
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