Stemness Activity Underlying Whole Brain Regeneration in a Basal Chordate.
Stemness Activity Underlying Whole Brain Regeneration in a Basal Chordate.
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DOI:
10.3390/cells11233727
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发表时间:
2022-11-22
期刊:
影响因子:
6
通讯作者:
Shenkar, Noa
中科院分区:
文献类型:
--
作者:
Gordon, Tal;Zaquin, Tal;Kowarsky, Mark Alec;Voskoboynik, Yotam;Hendin, Noam;Wurtzel, Omri;Caicci, Federico;Manni, Lucia;Voskoboynik, Ayelet;Shenkar, Noa
Understanding how neurons regenerate following injury remains a central challenge in regenerative medicine. Adult mammals have a very limited ability to regenerate new neurons in the central nervous system (CNS). In contrast, the basal chordate Polycarpa mytiligera can regenerate its entire CNS within seven days of complete removal. Transcriptome sequencing, cellular labeling, and proliferation in vivo essays revealed that CNS regeneration is mediated by a newly formed neural progeny and the activation of neurodevelopmental pathways that are associated with enhanced stem-cell activity. Analyzing the expression of 239 activated pathways enabled a quantitative understanding of gene-set enrichment patterns at key regeneration stages. The molecular and cellular mechanisms controlling the regenerative ability that this study reveals can be used to develop innovative approaches to enhancing neurogenesis in closely-related chordate species, including humans.
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