Abstract:
:Tissue damage induces rapid recruitment of leukocytes and changes in the transcriptional landscape that influence wound healing. However, the cell-type specific transcriptional changes that influence leukocyte function and tissue repair have not been well characterized. Here, we employed translating ribosome affinity purification (TRAP) and RNA sequencing, TRAP-seq, in larval zebrafish to identify genes differentially expressed in neutrophils, macrophages, and epithelial cells in response to wounding. We identified the complement pathway and c3a.1, homologous to the C3 component of human complement, as significantly increased in neutrophils in response to wounds. c3a.1-/- zebrafish larvae have impaired neutrophil directed migration to tail wounds with an initial lag in recruitment early after wounding. Moreover, c3a.1-/- zebrafish larvae have impaired recruitment to localized bacterial infections and reduced survival that is, at least in part, neutrophil mediated. Together, our findings support the power of TRAP-seq to identify cell type specific changes in gene expression that influence neutrophil behavior in response to tissue damage.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Houseright RA,Rosowski EE,Lam PY,Tauzin SJM,Mulvaney O,Dewey CN,Huttenlocher Adoi
10.1038/s41598-020-72750-9subject
Has Abstractpub_date
2020-09-24 00:00:00pages
15716issue
1issn
2045-2322pii
10.1038/s41598-020-72750-9journal_volume
10pub_type
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