首页> 美国卫生研究院文献>Cancers >A Paradigm Revolution or Just Better Resolution—Will Newly Emerging Superresolution Techniques Identify Chromatin Architecture as a Key Factor in Radiation-Induced DNA Damage and Repair Regulation?
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A Paradigm Revolution or Just Better Resolution—Will Newly Emerging Superresolution Techniques Identify Chromatin Architecture as a Key Factor in Radiation-Induced DNA Damage and Repair Regulation?

机译:范式革命或仅限更好的分辨率 - 将新出现的超级化技术鉴定染色质架构作为辐射诱导的DNA损伤和修复调节的关键因素?

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摘要

Radiation-induced double-strand breaks (DSBs) are the most toxic and most difficult to repair DNA lesions and are very heterogeneous. These characteristics place considerable demands on the selection of the most suitable repair mechanism at each individual damage site. Here, we review the current knowledge on this still enigmatic process and hypothesize that it critically involves the local chromatin architecture at the micro- and nanoscales, later manifested in the architecture of DSB repair foci (i.e., IRIFs).
机译:辐射诱导的双链断裂(DSB)是最有毒,最难以修复DNA病变,并且是非常异质的。这些特性对每个单独损伤部位的最合适的修复机制选择相当大的要求。在这里,我们审查目前关于这种静态过程的知识,并假设它批判性地涉及微型和纳米阶段的局部染色质架构,后来表现在DSB修复灶(即IRIF)的架构中。

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