PTEN信号转导通路与肿瘤的多药耐药

被引:35
作者
成志勇 [1 ,2 ]
梁文同 [2 ]
底胜峰 [3 ]
潘崚 [1 ]
机构
[1] 河北医科大学第二医院血液内科河北省血液病研究所
[2] 保定市第一医院血液肿瘤内科
[3] 石家庄市第一医院呼吸内科
关键词
张力蛋白同源10号染色体缺失的磷酸酶基因(PTEN); PI3K/Akt; mTOR; 肿瘤; 多药耐药;
D O I
暂无
中图分类号
R730.5 [肿瘤治疗学];
学科分类号
100214 [肿瘤学];
摘要
基因调控、信号转导通路异常均可引起细胞增殖失控,导致肿瘤发生。肿瘤细胞对化疗药物耐药是肿瘤患者死亡的主要原因。细胞内药物有效浓度的降低、DNA损伤的修复障碍、基因的突变及异常表达、信号转导通路的异常等均参与了肿瘤细胞的多药耐药。张力蛋白同源10号染色体缺失的磷酸酶基因(phosphatase and tension homology deleted on chromosometen gene,PTEN)是具有磷酸酶活性的抑癌基因,在多种肿瘤细胞中异常表达,主要通过抑制PI3K/Akt/mTOR(mammalian targetof rapamycin,mTOR)等多种信号转导通路参与细胞的增殖、凋亡及化疗耐药。因此,上调野生型PTEN的表达,或使用PI3K/Akt/mTOR信号通路抑制剂,可逆转肿瘤细胞的多药耐药,提高传统化疗的疗效。
引用
收藏
页码:413 / 417
页数:5
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