Clinicopathological significance of fascin-1 expression in patients with non-small cell lung cancer
Authors Ling X, Zhang T, Hou X, Zhao D
Received 10 March 2015
Accepted for publication 24 April 2015
Published 30 June 2015 Volume 2015:8 Pages 1589—1595
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 4
Editor who approved publication: Dr Faris Farassati
Xiao-Ling Ling,* Tao Zhang,* Xiao-Ming Hou, Da Zhao
Department of Oncology, The First Hospital of Lanzhou University (The Branch Hospital of Donggang), Lanzhou, Gansu Province, People’s Republic of China
*These authors contributed equally to this work
Purpose: Fascin-1 promotes the formation of filopodia, lamellipodia, and microspikes of cell membrane after its cross-linking with F-actin, thereby enhancing the cell movement and metastasis and invasion of tumor cells. This study explored the fascin-1 protein’s expression in non-small cell lung cancer (NSCLC) tissues and its relationship with clinical pathology and prognostic indicators.
Methods: Immunohistochemical analysis was used to determine the expression of fascin-1 in NSCLC tissues. We used quantitative real-time polymerase chain reaction and western blot analysis to further verify the results. The fascin-1 expression and statistical method for clinical pathological parameters are examined by χ2. Kaplan–Meier method is used for survival analysis. Cox’s Proportional Hazard Model was used to conduct a combined-effect analysis for each covariate.
Results: In 73 of the 128 cases, NSCLC cancer tissues (57.0%) were found with high expression of fascin-1, which was significantly higher than the adjacent tissues (35/128, 27.3%). The results suggested that the high expression of fascin-1 was significantly correlated with lymph node metastasis (P=0.022) and TNM stage (P=0.042). The high fascin-1 expression patients survived shorter than those NSCLC patients with low fascin-1 expression (P<0.05). Univariate analysis revealed that lymph node metastasis, TNM stage, and fascin-1 expression status were correlated with the overall survival. Similarly, lymph node metastasis, TNM stage, and fascin-1 expression status were significantly associated with the overall survival in multivariate analyses by using the Cox regression model.
Conclusion: The fascin-1 protein may be a useful prognostic indicator and hopeful new target for NSCLC patients.
Keywords: fascin-1, NSCLC, biomarker, prognosis
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