摘要
背景: 突变参与表观遗传机制在异构MDS的发展及其进化AML理解至少有一个突变,平均2 - 3突变的风景~ 40的司机突变基因中描述> 90% MDS患者。排他性和突变的影响有直接治疗合作实现hypomethylating代理和鉴定了大量的first-in-class突变表达的小分子抑制剂 在90%MDS中描述的〜40个基因中的驱动突变的至少一个突变和中位数至少有一个突变和中位数已经被理解为异构MDS的突变参与异构MDS的发展及其进化到AML耐心。突变的排他性和合作效应已经使用低甲基化剂治疗实施,并且鉴定了许多一流的小分子作为突变表达的抑制剂。一些合成和天然产品已经开始了临床前和临床试验,并建立了概念解释,以减轻诱变效应。 目的:本文综述文章涉及DNA甲基化和羟甲基化,组蛋白乙酰化和脱乙酰化,多核抑制复合物(PRC2)和这些突变表达的小分子抑制剂的突变特征。 方法:信息已从最近出版的文献中收集,主要通过Google在Medline和PubMed数据库中的搜索。特别强调2009-2016期间的文献。 结果:在特征突变及其抑制剂上积累的最新信息必须整合不确定潜力(CHIP)的克隆造血功能和突变复合物的功能,以重新定义MDS发生。然而,分子了解MDS异质性及其对AML的转化正在以丰富的非编码RNA(ncRNA)的知识扩展而快速发展,形成了目标药物定制的基础,并将进一步开发基于个体遗传的个性化药物蓝图。 结论:已经使药物制剂和调节剂敏感的突变特异性靶向表观遗传药物可以独立地或与用于MDS管理的标准治疗元件结合使用“del5q和来那度胺”特异性药物对每个突变特征的认证,这将增加了解它们的拮抗/协同效应。
关键词: 表观遗传突变,非编码RNA,骨髓增生异常综合征,AML,小分子抑制剂,药物靶标。
图形摘要
Current Cancer Drug Targets
Title:Small-molecule Inhibitors of Epigenetic Mutations as Compelling Drugtargets for Myelodysplastic Syndromes
Volume: 17 Issue: 7
关键词: 表观遗传突变,非编码RNA,骨髓增生异常综合征,AML,小分子抑制剂,药物靶标。
摘要: Background: Involvement of mutations in epigenetic mechanism in the development of heterogeneous MDS and its evolution to AML has been understood with at least one mutation and median of 2-3 mutations of the landscapes of driver mutations in ~40 genes described in >90% MDS patients. Exclusivity and cooperating effects of mutations have directed therapeutic implementation with hypomethylating agents and identified a number of first-in-class small molecules as inhibitors of mutational expression. Preclinical and clinical trials have already been initiated for some synthetic and natural products and established proof-of-concept for mitigation of mutagenic effects.
Objective: The present review article entails the mutational signatures in DNA-methylation and hydroxymethylation, histone acetylation and Deacetylation, polycomb repressor complex (PRC2), and small molecule inhibitors of these mutational expressions. Method: Information has been collected from the recently published literature available mainly through Google search in Medline and PubMed database. Special emphasis was paid on the literature available during 2009-2016. Result: The up-to-date information accumulated on signature-mutations and their inhibitors has to integrate the function of clonal hematopoiesis of indeterminate potential (CHIP) and mutational complexities for re-defining MDS-genesis. Nevertheless, molecular understanding of MDS heterogeneity and its transformation to AML is expanding at fast pace with expanding knowledge on abundant non-coding RNAs (ncRNAs), which forms the basis of targeted drug-tailoring, and will further develop personalized medicines based on individual genetic blue-prints. Conclusion: Mutation-specific targeted epigenetic drugs, which have already sensitized drug-makers and regulators, may promise attestation of ‘del5q and lenalidomide’-like specific drugs for every mutational signature independently or in combination with standard therapeutic elements used for MDS-management, and that will add to understand their antagonistic/synergistic effects.Export Options
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Cite this article as:
Small-molecule Inhibitors of Epigenetic Mutations as Compelling Drugtargets for Myelodysplastic Syndromes, Current Cancer Drug Targets 2017; 17 (7) . https://dx.doi.org/10.2174/1568009617666170330145002
DOI https://dx.doi.org/10.2174/1568009617666170330145002 |
Print ISSN 1568-0096 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-5576 |
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