Transcriptomics

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Therapeutic efficacy of intracerebral hematopoietic stem cell gene therapy in an Alzheimer’s disease mouse model


ABSTRACT: The conditions supporting the generation of microglia-like cells in the central nervous system (CNS) after transplantation of hematopoietic stem/progenitor cells (HSPC) have been extensively studied to advance the treatment of neurodegenerative disorders. Here, we challenge the HSPC transplantation paradigm by exploring different cell subsets and delivery routes with the goal of favoring the establishment of a robust and exclusive engraftment of HSPCs and their progeny in the CNS of transplant recipients. In this setting, we show that the CNS environment uniquely drives the expansion, distribution and myeloid differentiation of the locally transplanted cells towards a microglia-like phenotype. Importantly, intra-CNS transplantation of engineered HSPCs benefit 5xFAD Alzheimer’s disease mice, a finding that provides not only the first example of efficacy of HSPC gene therapy in this indication, but also a proof of the therapeutic potential of this novel approach that determines a CNS-restricted engraftment of the transplant progeny cells.

ORGANISM(S): Mus musculus

PROVIDER: GSE275808 | GEO | 2024/08/28

REPOSITORIES: GEO

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