Objective To investigate the roles of cyclin-dependent-kinase 2 (cdk2) and cyclin E in pathogenesis of renal cell cancer and their relationships with tumor biological behavior.

• 目的 探讨细胞周期蛋白依赖性激酶2(cdk2)和细胞周期蛋白 E(cyclin E)在肾细胞癌发病机制中的作用及其临床意义。