期刊
CELLS
卷 8, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/cells8111427
关键词
ACTN4; tumorigenesis; metastasis; epithelial-mesenchymal transition; cell motility; cancer cell proliferation
类别
资金
- Russian Government Program for the Recruitment of the leading scientists into the Russian Institutions of Higher Education [14, W03.31.0029]
- RSF [19-4502011]
The actin-binding protein ACTN4 belongs to a family of actin-binding proteins and is a non-muscle alpha-actinin that has long been associated with cancer development. Numerous clinical studies showed that changes in ACTN4 gene expression are correlated with aggressiveness, invasion, and metastasis in certain tumors. Amplification of the 19q chromosomal region where the gene is located has also been reported. Experimental manipulations with ACTN4 expression further confirmed its involvement in cell proliferation, motility, and epithelial-mesenchymal transition (EMT). However, both clinical and experimental data suggest that the effects of ACTN4 up- or down-regulation may vary a lot between different types of tumors. Functional studies demonstrated its engagement in a number of cytoplasmic and nuclear processes, ranging from cytoskeleton reorganization to regulation of different signaling pathways. Such a variety of functions may be the reason behind cell type and cell line specific responses. Herein, we will review research progress and controversies regarding the prognostic and functional significance of ACTN4 for tumorigenesis.
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