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Cell Death Dis. 2019 May 1;10(5):356. doi: 10.1038/s41419-019-1574-5.

FSCN1 is an effective marker of poor prognosis and a potential therapeutic target in human tongue squamous cell carcinoma.

Chen Y1,2, Tian T1, Li ZY1,3, Wang CY4, Deng R1, Deng WY5, Yang AK1,6, Chen YF7,8, Li H9,10.

Author information

1
State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 510060, Guangzhou, P. R. China.
2
Department of Radiation Oncology, Sun Yat-sen University Cancer Center, 651 Dong Feng Road East, 510060, Guangzhou, Guangdong, P. R. China.
3
Department of Urology, Sun Yat-sen University Cancer Center, 651 Dong Feng Road East, 510060, Guangzhou, Guangdong, P. R. China.
4
Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, 510055, Guangzhou, Guangdong, P. R. China.
5
Department of Radiation Oncology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX, 75390, USA.
6
Department of Head and Neck Surgery, Sun Yat-sen University Cancer Center, 651 Dong Feng Road East, 510060, Guangzhou, Guangdong, P. R. China.
7
State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 510060, Guangzhou, P. R. China. chenyf@sysucc.org.cn.
8
Department of Head and Neck Surgery, Sun Yat-sen University Cancer Center, 651 Dong Feng Road East, 510060, Guangzhou, Guangdong, P. R. China. chenyf@sysucc.org.cn.
9
State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 510060, Guangzhou, P. R. China. lihao@sysucc.org.cn.
10
Department of Head and Neck Surgery, Sun Yat-sen University Cancer Center, 651 Dong Feng Road East, 510060, Guangzhou, Guangdong, P. R. China. lihao@sysucc.org.cn.

Abstract

To estimate the value of FSCN1 in evaluating the prognosis and guiding the targeted therapy for patients with tongue squamous cell carcinoma (TSCC). Using the Oncomine database, we found some genes especially FSCN1 differentially expressed between TSCC samples and tongue normal samples. So we compared FSCN1 expression between TSCC and normal cell lines and knocked down FSCN1 in TSCC cells to observe its influence on the viability and trans-migration in vitro and tumor growth in vivo. Then we measured FSCN1 expression in human cancer tissues and adjacent non-carcinoma tissues (ANT) and explored the relationship between FSCN1 expression and clinical pathological factors and prognosis in TSCC patients. We found that FSCN1 is expressed higher in TSCC cells than in normal cells. Knockdown of FSCN1 reduced TSCC cell viability and trans-migration in vitro and impaired tumor growth in vivo. FSCN1 also expressed higher in human TSCC than in ANT. In addition, FSCN1 expression was related to N classification, clinical stage and relapse. TSCC patients with over-expression of FSCN1 had worse prognosis. In conclusion, over-expression of FSCN1 indicates worse prognosis for patients with TSCC and FSCN1 may be a potential prognostic biomarker and therapeutic target in TSCC.

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