摘要
尽管为防止癌症发作和提供适当的治疗而作出巨大的努力,肺癌仍然是所有癌症类型中人类死亡的主要原因。最近有报道指出,肺癌相关死亡率的重要贡献者是耐药性和侵袭性肿瘤复发,这是肺癌干细胞(CSCs)存在的特征。由于肺上皮细胞的静止性质,肺CSCs的鉴定本质上是复杂的,这使得正常肺上皮细胞和肺CSCs之间的区别困难。最近,多项研究基于某些特定类型的干细胞标志物的存在或缺失,帮助鉴定肺CSCs。肺CSCs的维持主要通过其基因组的表观遗传修饰来介导。在这篇综述中,我们将讨论肺CSCs的来源和表观遗传修饰在维持中的作用。我们还将简要讨论主要的肺CSC标记物和选择性靶向这些细胞群的治疗方法。
关键词: 肺癌干细胞,表观遗传重编程,DNA甲基化,染色质重构,miRNAs,干细胞标记物
Current Cancer Drug Targets
Title:Lung Cancer Stem Cells: An Epigenetic Perspective
Volume: 18 Issue: 1
关键词: 肺癌干细胞,表观遗传重编程,DNA甲基化,染色质重构,miRNAs,干细胞标记物
摘要: Lung cancer remains the major cause of human mortality among all the cancer types despite the colossal amount of efforts to prevent the cancer onset and to provide the appropriate cure. Recent reports have identified that important contributors of lung cancer-related mortality are the drug resistance and aggressive tumor relapse, the characteristics contributed by the presence of lung cancer stem cells (CSCs). The identification of lung CSCs is inherently complex due to the quiescent nature of lung epithelium, which makes the distinction between the normal lung epithelium and lung CSCs difficult. Recently, multiple researches have helped in the identification of lung CSCs based on the presence or absence of certain specific types of stem cell markers. Maintenance of lung CSCs is chiefly mediated through the epigenetic modifications of their genome. In this review, we will discuss about the origin of lung CSCs and the role of epigenetic modifications in their maintenance. We will also discuss in brief the major lung CSC markers and the therapeutic approaches to selectively target this population of cells.
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Lung Cancer Stem Cells: An Epigenetic Perspective, Current Cancer Drug Targets 2018; 18 (1) . https://dx.doi.org/10.2174/1568009617666170206104623
DOI https://dx.doi.org/10.2174/1568009617666170206104623 |
Print ISSN 1568-0096 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-5576 |
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