Transcriptomic landscape of the blastema niche in regenerating adult axolotl limbs at single-cell resolution.

ABSTRACT: Regeneration of complex multi-tissue structures, such as limbs, requires the coordinated effort of multiple cell types. In axolotl limb regeneration, the wound epidermis and blastema have been extensively studied via histology, grafting, and bulk-tissue RNA-sequencing. However, defining the contributions of these tissues is hindered due to limited information regarding the molecular identity of the cell types in regenerating limbs. Here we report unbiased single-cell RNA-sequencing on over 25,000 cells from axolotl limbs and identify a plethora of cellular diversity within epidermal, mesenchymal, and hematopoietic lineages in homeostatic and regenerating limbs. We identify regeneration-induced genes, develop putative trajectories for blastema cell differentiation, and propose the molecular

SUBMITTER: Leigh ND 

PROVIDER: S-EPMC6279788 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature