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Time-resolved single-cell RNAseq profiling identifies a novel Fabp5-expressing subpopulation of inflammatory myeloid cells in chronic spinal cord injury

Pluchino, S.; Hamel, R.; Peruzzotti-Jametti, L.; Ridley, K.; Testa, V.; Yu, B.; Rowitch, D.; Marioni, J.

2020-10-21 neuroscience
10.1101/2020.10.21.346635 bioRxiv
Show abstract

Innate immune responses following spinal cord injury (SCI) participate in early secondary pathogenesis and wound healing events. Here, we used time-resolved scRNAseq to map transcriptional profiles of SC tissue-resident and infiltrating myeloid cells post-SCI. Our work identifies a novel subpopulation of Fabp5+ inflammatory myeloid cells, comprising both resident and infiltrating cells and displaying a delayed cytotoxic profile at the lesion epicentre, which may serve as a target for future therapeutics.

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