Regeneration enhancers: a field in development.

Regeneration enhancers: a field in development.
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DOI:
10.1152/ajpcell.00403.2022
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发表时间:
2022-11-01
期刊:
American journal of physiology. Cell physiology
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损伤后再生组织和器官的能力在后生动物中并不是平均分布的,即使是高度相关的物种在再生能力上也可能有很大的差异。对具有高再生潜力的动物的研究表明,在正常发育过程中表达的因子往往在受损时重新激活,并需要成功的再生。因此,再生潜力可能不是由是否有必要的基因决定的,而是这些基因在受伤后是否被适当地激活。识别在多个物种和组织中调节再生基因表达的损伤反应增强子,为了解这一现象提供了可能的机制。从发育项目中重复使用的增强剂,以及那些对再生具有潜在独特性的增强剂,已经单独地在基因组范围内进行了表征。更好地了解指导并在某些情况下限制再生能力的调控事件,是开发操纵和增强再生的新方法的重要一步,特别是在没有这种能力的组织中,包括人类的组织。
The ability to regenerate tissues and organs following damage is not equally distributed across metazoans, and even highly related species can vary considerably in their regenerative capacity. Studies of animals with high regenerative potential have shown that factors expressed during normal development are often reactivated upon damage and required for successful regeneration. As such, regenerative potential may not be dictated by the presence or absence of the necessary genes, but whether such genes are appropriately activated following injury. The identification of damage-responsive enhancers that regulate regenerative gene expression in multiple species and tissues provides possible mechanistic insight into this phenomenon. Enhancers that are reused from developmental programs, and those that are potentially unique to regeneration, have been characterized individually and at a genome-wide scale. A better understanding of the regulatory events that, direct and in some cases limit, regenerative capacity is an important step in developing new methods to manipulate and augment regeneration, particularly in tissues that do not have this ability, including those of humans.
DOI: 10.1016/j.devcel.2017.01.013
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