期刊论文详细信息
Cellular Physiology and Biochemistry
The FOXK1-CCDC43 Axis Promotes the Invasion and Metastasis of Colorectal Cancer Cells
Jing Wang1 
关键词: CCDC43;    FOXK1;    Colorectal cancer;    Metastasis;    Epithelial-mesenchymal transition;    Invasion;   
DOI  :  10.1159/000495924
学科分类:分子生物学,细胞生物学和基因
来源: S Karger AG
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【 摘 要 】

Background/Aims The CCDC43 gene is conserved in human, rhesus monkey, mouse and zebrafish. Bioinformatics studies have demonstrated the abnormal expression of CCDC43 gene in colorectal cancer (CRC). However, the role and molecular mechanism of CCDC43 in CRC remain unknown. Methods The functional role of CCDC43 and FOXK1 in epithelial-mesenchymal transition (EMT) was determined using immunohistochemistry, flow cytometry, western blot, EdU incorporation, luciferase, chromatin Immunoprecipitation (ChIP) and cell invasion assays. Results The CCDC43 gene was overexpressed in human CRC. High expression of CCDC43 protein was associated with tumor progression and poor prognosis in patients with CRC. Moreover, the induction of EMT by CCDC43 occurred through TGF-β signaling. Furthermore, a positive correlation between the expression patterns of CCDC43 and FOXK1 was observed in CRC cells. Promoter assays demonstrated that FOXK1 directly bound and activated the human CCDC43 gene promoter. In addition, CCDC43 was necessary for FOXK1- mediated EMT and metastasis in vitro and vivo. Taken together, this work identified that CCDC43 promoted EMT and was a direct transcriptional target of FOXK1 in CRC cells. Conclusion FOXK1-CCDC43 axis might be helpful to develop the drugs for the treatment of CRC.

【 授权许可】

CC BY-NC-ND   

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