期刊
ONCOTARGET
卷 8, 期 4, 页码 6353-6363出版社
IMPACT JOURNALS LLC
DOI: 10.18632/oncotarget.14087
关键词
FLNC; ESCC; Rac1; Cdc42; migration
资金
- JSPS KAKENHI [JP26870456, JP15K18413, JP16K07121, JP26670160, JP25430114]
- Mitsui Life Social Welfare Foundation
- Kodama Memorial Fund for Medical Research
- Grants-in-Aid for Scientific Research [16K10510, 15K10108] Funding Source: KAKEN
To establish treatments to improve the prognosis of cancer patients, it is necessary to find new targets to control metastasis. We found that expression of FilaminC ( FLNC), a member of the actin binding and cross-linking filamin protein family is correlated with lymphatic invasion and lymphatic metastasis in esophageal squamous cell carcinoma (ESCC) by increasing cell motility through activation of Rho GTPase. Immunohistochemistry analysis showed that FLNC expression in ESCC is associated with lymphatic invasion, metastasis, and prognosis. FLNC knockdown in esophageal cancer cell lines decreased cell migration in wound healing and transwell migration assays, and invasion in transwell migration assays. Furthermore, FLNC knockdown reduced the amount of activated Rac-1 (GTP-Rac1) and activated Cdc42 (GTP-Cdc42). Our results suggest that FLNC expression is a useful biomarker of ESCC metastatic tendency and that inhibiting FLNC function may be useful to control the metastasis of ESCC.
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