Abstract
Background: Recently, microRNA-133b (miR-133b) dysregulation has been shown to play a key role in several human cancers, as well as glioma. In this study, we aimed to investigate the clinical significance and prognostic value of miR-133b in glioma.
Methods: Real-time quantitative PCR was employed to measure the expression level of miR-133b in tissues. Survival analysis was carried out by using the log-rank test and Kaplan–Meier method. Prognostic factors for overall survival were identified by univariate and multivariate analyses using the Cox proportional hazards regression model.
Results: The expression level of miR-133b was significantly lower in glioma tissues compared with matched non-cancerous brain tissues (p < .05). Its level was strongly correlated with Karnofsky Performance Scale score (p < .001) and WHO grade (p < .001). Kaplan–Meier survival and log-rank analysis indicated that the decreased expression of miR-133b was strongly correlated with shorter overall survival of patients with glioma (log-rank test, p = .03).
Conclusions: The current investigation demonstrated that miR-133b level is useful for predicting the prognosis of patients with glioma.
Disclosure statement
No potential conflict of interest was reported by the authors.