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Lesion Environments Direct Transplanted Neural Progenitors Towards a Wound Repair Astroglial Phenotype in Mice

O’Shea et al., Nature Communications. 2022.

https://www.doi.org/10.1038/s41467-022-33382-x

Neural progenitor cells (NPCs) are potential cell transplantation therapies for central nervous system (CNS) injuries. Investigators derived NPCs expressing a ribosomal protein-hemagglutinin tag (RiboTag) for transcriptional profiling. Their findings reveal similarities between the transcriptional profiles, cellular morphologies, and functional features of cells transplanted into subacute CNS lesions and host astroglia. The astroglia are stimulated by injuries to proliferate and adopt a naturally occurring, border-forming wound repair phenotype in mice of both sexes. Understanding the autonomous cues instructing NPCs transplanted in CNS host tissue will be fundamental to therapeutic NPC transplantation. Supported by ORIP (U42OD010921,U42OD011174, UM1OD023222) and NINDS.