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Cancer stem cell-targeted bio-imaging and chemotherapeutic perspective.
Chemical Society Reviews ( IF 40.4 ) Pub Date : 2020-07-07 , DOI: 10.1039/d0cs00379d
Jiyou Han 1 , Miae Won , Ji Hyeon Kim , Eugeine Jung , Kyungim Min , Paramesh Jangili , Jong Seung Kim
Affiliation  

Cancer stem cells (CSCs), also called tumor-initiating cells (TICs), have been studied intensively due to their rapid proliferation, migration, and role in the recurrence of cancer. In general, CSC marker-positive cells [CD133, CD44, CD166, aldehyde dehydrogenase (ALDH), and epithelial cell adhesion molecule (EpCAM)] exhibit a 100-fold increased capacity to initiate cancer. Within a heterogeneous tumor mass, only approximately 0.05–3% of cells are suspected to be CSCs and able to proliferate under hypoxia. Interestingly, CSCs, cancer cells, and normal stem cells share many cytochemical properties, such as inhibition of the redox system for reactive oxygen species (ROS) production and high expression of drug resistance transporters. However, compared to normal stem cells, CSCs develop unique metabolic flexibility, which involves switching between oxidative phosphorylation (OXPHOS) and glycolysis as their main source of energy. Due to the similarities between CSCs and other cancer cells and normal stem cells, limited chemotherapeutic and bio-imaging reagents specific for CSCs have been developed. In this short review, we address the current knowledge regarding CSCs with a focus on designing chemotherapeutic and bio-imaging reagents that target CSCs.

中文翻译:

癌症干细胞靶向生物成像和化学疗法的观点。

癌症干细胞(CSC),也称为肿瘤起始细胞(TICs),由于其快速增殖,迁移以及在癌症复发中的作用而得到了深入研究。通常,CSC标记阳性细胞[CD133,CD44,CD166,醛脱氢酶(ALDH)和上皮细胞粘附分子(EpCAM)]的抗癌能力提高了100倍。在异质性肿瘤团块中,仅约0.05–3%的细胞被怀疑是CSC,并且在缺氧条件下能够增殖。有趣的是,CSC,癌细胞和正常干细胞具有许多细胞化学特性,例如抑制氧化还原系统产生活性氧(ROS)和耐药性转运蛋白的高表达。但是,与正常干细胞相比,CSC具有独特的代谢灵活性,其中包括在氧化磷酸化(OXPHOS)和糖酵解之间切换,这是它们的主要能量来源。由于CSC与其他癌细胞和正常干细胞之间的相似性,已经开发出了针对CSC的有限的化学治疗试剂和生物成像试剂。在这篇简短的评论中,我们着眼于有关CSC的当前知识,重点是设计针对CSC的化学治疗和生物成像试剂。
更新日期:2020-07-07
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