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Analysis of the overall survival time between the different expression of AKT1 and AKT2 in gliomas

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Author:
No author available
Journal Title:
Chinese Journal of Neurosurgery
Issue:
1
DOI:
10.3760/cma.j.issn.1001-2346.2012.01.031
Key Word:
神经胶质瘤;总生存期;AKT1;AKT2;Glioma;Overall survival time;AKT1;AKT2

Abstract: Objective To investigate the expression of AKT1 and AKT2 and its correlation with the overall survive time of glioma patients.Method Glioma patients treated with resection from January 2006 to August 2006 in our hospital were analyzed retrospectively.Immunofluorescence staining was applied to detect the expression of AKT1 and AKT2 in 50 tissue samples of glioma patients with integral following information.The relationship of AKT1 and AKT2 expression with the overall survival time and the correlation between two proteins were analyzed.Results Log- rank test revealed that age ≥ 50 years,preoperative KPS score < 80 and WHO Grade Ⅲ ~ Ⅳ were statistically significant factors ( P < 0.05) for overall survival time in the univariate analysis.The positive rates of AKT1 and AKT2 expression in glioma patients were separately 80%,82%.The levels of AKT1 and AKT2 protein increased markedly in high grade gliomas in comparison to low grade gliomas.The positive rates of two proteins expression of WHO Grade Ⅲ ~ Ⅳ and WHO Grade Ⅰ ~ Ⅱ were separately 94%,94% ;43%,50%.There was a positive linear correlation between the AKT1 and AKT2 expression( r =0.8761,P < 0.0001 )and a negative correlation was found between the expression of two proteins and the overall survival time of glioma patients ( r =-0.7620,P < 0.0001; r =- 0.8073,P < 0.0001 ).Conclusions Detection of AKT1 and AKT2 is of great value for predicting the biological behaviors of glioma and the overall survival time of glioma patients.

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