Time-resolved single-cell RNAseq profiling identifies a novel
Fate-mapping myeloid cells
Fatty acid binding protein 5
Lipid metabolism
Microglia
Myeloid cells
Neurodegeneration
Neuroinflammation
Single cell RNA sequencing
Spinal cord injury
Journal
Heliyon
ISSN: 2405-8440
Titre abrégé: Heliyon
Pays: England
ID NLM: 101672560
Informations de publication
Date de publication:
Aug 2023
Aug 2023
Historique:
received:
01
11
2022
revised:
09
07
2023
accepted:
13
07
2023
medline:
28
8
2023
pubmed:
28
8
2023
entrez:
28
8
2023
Statut:
epublish
Résumé
Traumatic spinal cord injuries (SCI) are a group of highly debilitating pathologies affecting thousands annually, and adversely affecting quality of life. Currently, no fully restorative therapies exist, and SCI still results in significant personal, societal and financial burdens. Inflammation plays a major role in the evolution of SCI, with myeloid cells, including bone marrow derived macrophages (BMDMs) and microglia (MG) being primary drivers of both early secondary pathogenesis and delayed wound healing events. The precise role of myeloid cell subsets is unclear as upon crossing the blood-spinal cord barrier, infiltrating bone marrow derived macrophages (BMDMs) may take on the morphology of resident microglia, and upregulate canonical microglia markers, thus making the two populations difficult to distinguish. Here, we used time-resolved scRNAseq and transgenic fate-mapping to chart the transcriptional profiles of tissue-resident and -infiltrating myeloid cells in a mouse model of thoracic contusion SCI. Our work identifies a novel subpopulation of foam cell-like inflammatory myeloid cells with increased expression of
Identifiants
pubmed: 37636454
doi: 10.1016/j.heliyon.2023.e18339
pii: S2405-8440(23)05547-0
pmc: PMC10450865
doi:
Types de publication
Journal Article
Langues
eng
Pagination
e18339Informations de copyright
© 2023 The Authors.
Déclaration de conflit d'intérêts
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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