Journal
BIOENGINEERED
Volume 13, Issue 2, Pages 2586-2597Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/21655979.2021.2019173
Keywords
Wogonin; colon cancer; Hippo signaling; epithelial-mesenchymal transition; IRF3
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Funding
- Shandong Province Traditional Chinese Medicine Science and Technology Project [2020Q053]
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Wogonin has been found to inhibit the survival and metastasis of colon cancer cells and suppress epithelial-mesenchymal transition. The study also revealed that Wogonin exerts its effects by reducing the protein expression of YAP1 and IRF3, and increasing p-YAP1 expression. Further experiments demonstrated that Wogonin relieves the carcinogenic behaviors and EMT of colon cancer cells through the IRF3-mediated Hippo signaling pathway.
Wogonin is an effective component of Scutellaria baicalensis Georgi, which exhibits anti-tumor activity. The aim of this study was to explore the effects of wogonin on colon cancer (CC). Human CC cell lines, SW480 and HCT116, were cultured, and MTT assay was performed to detect cell survival. RT-qPCR and Western blotting were used to measure mRNA and protein expression, respectively. The migration and invasion abilities of the CC cells were determined by a transwell assay. Immunofluorescence staining was performed to determine the localization of IRF3. Xenograft mice were used to investigate the effects of wogonin on CC in vivo. Wogonin inhibited the survival and metastasis of CC cells. In addition, wogonin suppressed epithelial-mesenchymal transition (EMT). Furthermore, the protein expression of YAP1 and IRF3 was downregulated, and p-YAP1 was upregulated after wogonin treatment. Wogonin also suppressed IRF3 expression in the nuclei of CC cells and overexpression of YAP1 reversed the effects of wogonin in CC cells. Finally, wogonin inhibited the tumor growth in the mice and overexpression of YAP1 reversed the wogonin effects. Thus, these results showed that wogonin relieved the carcinogenic behaviors and EMT of CC cells via the IRF3-mediated Hippo signaling pathway.
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