Research Papers:

Cofilin-1 and phosphoglycerate kinase 1 as promising indicators for glioma radiosensibility and prognosis

Wenbo Sun, Hua Yan, Chunfa Qian, Chenhan Wang, Mengjie Zhao, Yuchi Liu, Yujie Zhong, Hongyi Liu _ and Hong Xiao

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Oncotarget. 2017; 8:55073-55083. https://doi.org/10.18632/oncotarget.19025

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Wenbo Sun1,*, Hua Yan1,*, Chunfa Qian1, Chenhan Wang1, Mengjie Zhao2, Yuchi Liu1, Yujie Zhong2, Hongyi Liu1 and Hong Xiao2

1Department of Neurosurgery, Nanjing Medical University Affiliated Brain Hospital, Nanjing, China

2Department of Neuro-Psychiatric Institute, Nanjing Medical University Affiliated Brain Hospital, Nanjing, China

*These authors contributed equally to this work

Correspondence to:

Hongyi Liu, email: [email protected]

Hong Xiao, email: [email protected]

Keywords: CFL1, PGK1, glioma, radiosensibility, prognosis

Received: March 24, 2017     Accepted: June 18, 2017     Published: July 05, 2017


Glioma is a primary malignancy in central nervous system. Radiotherapy has been used as one of the standard treatments for glioma for decades. Since radioresistance can reduce the curative efficacy of radiotherapy in glioma, investigating the cause of radioresistance and predicting the tumour radiosensibility appeared particularly important. We previously reported that CFL1 and PGK1 are over-expressed in radioresistant U251 glioma cells. In this study, the level of CFL1 and PGK1 of 113 glioma tissues were measured by ELISA method. The relevance of the expression of these two proteins to radiosensibility was analyzed by mean test and multivariate logistic regression. The survival analysis was carried out in 85 irradiated patients and 105 followed-up patients respectively. The relationship between protein expression and clinical parameters was explored in overall 113 patients, and the correlation between CFL1 and PGK1 were determined as well. Our results showed that the expression of CFL1 and PGK1 were significantly higher (P < 0.001) in radioresistant patients than others. The multivariate Logistic regression demonstrated that the expression of CFL1 (p < 0.001) and PGK1 (p < 0.001) were associated with radioresistance in glioma. The multivariate Cox regression in overall survival suggested that CFL1 level or PGK1 level could be the independent prognosis factor for poor prognosis in 113 glioma patients. In addition, CFL1 expression was positively correlated with PGK1 expression in glioma. The results suggested that as promising indicators, CFL1 and PGK1 could be used to evaluate glioma radiosensibility and prognosis. These two proteins could also be the potential therapeutic targets of glioma.

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