Bladder cancer stem cells: clonal origin and therapeutic perspectives.

Bladder cancer stem cells: clonal origin and therapeutic perspectives.
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膀胱癌干细胞:克隆起源和治疗前景

DOI:
10.18632/oncotarget.19112
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发表时间:
2017-09-12
期刊:
影响因子:
--
通讯作者:
Li C
Li C
中科院分区:
其他
文献类型:
--
作者:
Li Y;Lin K;Yang Z;Han N;Quan X;Guo X;Li C

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本文综述了膀胱癌干细胞的起源和治疗前景,膀胱癌干细胞与膀胱癌的发生、高复发和化疗耐药密切相关。BCSC是异质性的并且来源于多种细胞类型,包括尿路上皮干细胞和分化的细胞类型,包括基底层、中间层和伞细胞。细胞表面标志物,包括CD 44、CD 67 LR、EMA、ALDH 1A 1和BCMb 1,用于鉴定和分离BCSC。Hedgehog、Notch、Wnt和JAK-STAT信号通路在维持BCSC的干细胞性、自我更新和增殖潜力中起关键作用。BCSCs中ABC转运蛋白、乙醛脱氢酶、抗氧化剂和凋亡抵抗蛋白的高表达在BCSCs的化疗耐药性中起关键作用。因此,更好地了解BCSC的生物学对于确定有效的治疗靶点以改善膀胱癌患者的临床结局将是重要的。
In this article, we review the origin and therapeutic perspectives of bladder cancer stem cells (BCSCs), which are integral to the initiation, high recurrence and chemoresistance of bladder cancer. BCSCs are heterogenous and originate from multiple cell types, including urothelial stem cells and differentiated cell types, including basal, intermediate stratum and umbrella cells. Cell surface markers, including CD44, CD67LR, EMA, ALDH1A1 and BCMab1, are used to identify and isolate BCSCs. The Hedgehog, Notch, Wnt and JAK-STAT signaling pathways play key roles in maintaining the stemness, self-renewal and proliferative potential of BCSCs. High expression of ABC transporters, acetaldehyde dehydrogenase, antioxidants and apoptosis resistance proteins in BCSCs play a critical role in chemoresistance. Consequently, a greater understanding of the biology of BCSCs will be important for identifying effective therapeutic targets to improve clinical outcomes for bladder cancer patients.
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