Supported by National Natural Science Foundation of China (Grant No. 30500143);Science Research Foundation of Anhui Medical University (Grant No. 010503101);College’ Science Research Program of Anhui Province (Grant No.KJ2010A189)
Tumor cells often develop resistance to radiotherapy by fractionated radiation possibly due to the heterogeneity and hypoxia in tumor tissue.However,the mechanism of refractory effect remains unclear.In the present st...