The membrane-cytoskeletal protein 4.1N is involved in the process of cell adhesion, migration and invasion of breast cancer cells.
The membrane-cytoskeletal protein 4.1N is involved in the process of cell adhesion, migration and invasion of breast cancer cells.
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膜细胞骨架蛋白4.1N参与乳腺癌细胞的细胞粘附、迁移和侵袭过程
DOI:
10.3892/etm.2012.653
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发表时间:
2012-10
影响因子:
2.7
通讯作者:
Kang Q
中科院分区:
文献类型:
--
作者:
Ji Z;Shi X;Liu X;Shi Y;Zhou Q;Liu X;Li L;Ji X;Gao Y;Qi Y;Kang Q
Protein 4.1N belongs to the protein 4.1 superfamily that links transmembrane proteins to the actin cytoskeleton. Recent evidence has shown that protein 4.1 is important in tumor suppression. However, the functions of 4.1N in the metastasis of breast cancer are largely unknown. In the present study, MCF-7, T-47D and MDA-MB-231 breast cancer cell lines with various metastatic abilities were employed. Protein 4.1N was found to be expressed in poorly metastatic MCF-7 and middle metastatic T-47D cell lines, and was predominantly associated with cell-cell junctions. However, no 4.1N expression was detected in the highly metastatic MDA-MB-231 cells. Moreover, re-expression of 4.1N in MDA-MB-231 cells inhibited cell adhesion, migration and invasion. The results suggest that protein 4.1N is a negative regulator of cell metastasis in breast cancer.
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