高级别胶质瘤放、化疗耐药性可能与microRNAs相关(英文)

查看全文 作　　者：Besse [1]A;Sana [1]J;Fadrus [1]P;Slaby [1]O 机构地区：[1]Department of Comprehensive Cancer Care,Masaryk Memorial Cancer Institute 出　　处：《中华神经外科疾病研究杂志》索引2013年第12卷第2期,共1页 摘　　要：High-grade gliomas(HGGs) are malignant primary brain tumors of glial cell origin.Despite optimal course of treatment,including maximal surgical resection followed by adjuvant chemo-and/or radiotherapy,the prognosis still remains poor.The main reason is the commonly occurring chemo-and radioresistance of these tumors.In recent years,several signaling pathways,especially PI3K/AKT and ATM/CHK2/p53,have been linked to the resistance of gliomas.Moreover,additional studies have shown that these pathways are significantly regulated by microRNAs(miRNAs),short endogenous RNA molecules that modulate gene expression and control many biological processes including apoptosis,proliferation,cell cycle,invasivity,and angiogenesis.MiRNAs are not only highly deregulated in gliomas,their expression signatures have also been shown to predict prognosis and therapy response.Therefore,they present promising biomarkers and therapeutic targets that might overcome the resistance to treatment and improve prognosis of glioma patients.In this review,we summarize the current knowledge of the functional role of miRNAs in gliomas resistance to chemo-and radiotherapy. 关 键 词：神经外科学 临床 诊断 医学