Advances in Decoding Axolotl Limb Regeneration.

Advances in Decoding Axolotl Limb Regeneration.
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DOI:
10.1016/j.tig.2017.05.006
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发表时间:
2017-08
期刊:
Trends in genetics : TIG
影响因子:
--
通讯作者:
Whited JL
Whited JL
中科院分区:
其他
文献类型:
--
作者:
Haas BJ;Whited JL

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人类和其他哺乳动物在再生失去的身体部位方面的自然能力有限。相比之下,许多蝾螈具有高度的再生能力,即使在成年时也可以自发地替换失去的肢体。由于蝾螈四肢在解剖学上与人类四肢相似,了解它们如何再生应该为再生医学提供重要线索。尽管对理解这一过程的机制的兴趣从未放弃,但直到最近,研究人员一直对在分子水平上与这些生物合作的看似无法穿透的物流感到烦恼。主要的问题是蝾螈的基因组非常大,迄今为止还没有一个蝾螈的基因组被完全测序。最近,利用mRNA作为起点的方法已经弥合了序列信息中的巨大差距。结合功能实验,这些数据迅速使研究人员能够最终揭示支撑肢体再生这一令人难以置信的生物过程的分子机制。
Humans and other mammals are limited in their natural abilities to regenerate lost body parts. In contrast, many salamanders are highly regenerative and can spontaneously replace lost limbs even as adults. As salamander limbs are anatomically similar to human limbs, knowing how they regenerate should provide important clues for regenerative medicine. Though interest in understanding the mechanics of this process has never waivered, until recently, researchers have been vexed by seemingly impenetrable logistics of working with these creatures at a molecular level. Chief among the problems has been the very large salamander genomes, and not a single salamander genome has been fully sequenced to date. Recently, the enormous gap in sequence information has been bridged by approaches that leverage mRNA as the starting point. Together with functional experimentation, this data is rapidly enabling researchers to finally uncover the molecular mechanisms underpinning the incredible biological process of limb regeneration.
分析未序列的Axolotl中的胚胎发育:转录组动荡和稳定性的波。
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