Polymorphism -433 C>T of the osteopontin gene is associated with the susceptibility to develop gliomas and their prognosis in a Chinese cohort

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Abstract

Aim: To investigate role of the Osteopontin (OPN) genetic polymorphisms in the susceptibility to gliomas and their prognosis. Methods: A total of 248 Chinese glioma patients and 281 age and sex matched healthy controls were recruited. The genetic polymorphisms at three loci, namely, -156 GG>G, -443 C>T and -66T>G, were determined. The log-rank test and Kaplan-Meier analysis were introduced to assess the effect of OPN gene polymorphisms on patient survival. Results: We found that the genotype frequencies of OPN -443 C>T polymorphism were significantly different between glioma patients and controls. Multivariable analyses showed a higher risk for gliomas in -443 CC genotype carriers compared to -443TT carriers (P<0.001). In addition, we also found the OPN -443 C>T polymorphism was closely related to the gliomas' tumor grade. The -443 C>T polymorphism also affected the tumor OPN expression level, but not the serum OPN level. More importantly, the -443 C>T polymorphism was significantly associated with the prognosis of these patients regardless of their treatment status. The patients with -443CC genotype had a poorer prognosis than those with -443TT and -443CT genotypes. In contrast, the -156 G>GG and -66T>G polymorphisms were not associated with risk, clinical characteristics, or prognosis of gliomas. Conclusion: This study suggests that the -443C>T gene polymorphisms may be used as a molecular marker for glioma occurrence and clinical outcome in glioma patients.

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APA

Shen, Z., Chen, B., Hou, X., Chen, P., Zhao, G., & Fan, J. (2014). Polymorphism -433 C>T of the osteopontin gene is associated with the susceptibility to develop gliomas and their prognosis in a Chinese cohort. Cellular Physiology and Biochemistry, 34(4), 1190–1198. https://doi.org/10.1159/000366331

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