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Hu, B.* ; Lelek, S.* ; Spanjaard, B.* ; El-Sammak, H.* ; Simões, M.G.* ; Mintcheva, J.* ; Aliee, H. ; Schäfer, R.* ; Meyer, A.M.* ; Theis, F.J. ; Stainier, D.Y.R.* ; Panáková, D.* ; Junker, J.P.*

Origin and function of activated fibroblast states during zebrafish heart regeneration.

Nat. Genet. 54, 1227-1237 (2022)
Postprint Research data DOI PMC
Open Access Hybrid
Creative Commons Lizenzvertrag
The adult zebrafish heart has a high capacity for regeneration following injury. However, the composition of the regenerative niche has remained largely elusive. Here, we dissected the diversity of activated cell states in the regenerating zebrafish heart based on single-cell transcriptomics and spatiotemporal analysis. We observed the emergence of several transient cell states with fibroblast characteristics following injury, and we outlined the proregenerative function of collagen-12-expressing fibroblasts. To understand the cascade of events leading to heart regeneration, we determined the origin of these cell states by high-throughput lineage tracing. We found that activated fibroblasts were derived from two separate sources: the epicardium and the endocardium. Mechanistically, we determined Wnt signalling as a regulator of the endocardial fibroblast response. In summary, our work identifies specialized activated fibroblast cell states that contribute to heart regeneration, thereby opening up possible approaches to modulating the regenerative capacity of the vertebrate heart.
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Publication type Article: Journal article
Document type Scientific Article
Language english
Publication Year 2022
HGF-reported in Year 2022
ISSN (print) / ISBN 1061-4036
e-ISSN 1546-1718
Journal Nature Genetics
Quellenangaben Volume: 54, Issue: 8, Pages: 1227-1237 Article Number: , Supplement: ,
Publisher Nature Publishing Group
Publishing Place New York, NY
Reviewing status Peer reviewed
Institute(s) Institute of Computational Biology (ICB)
POF-Topic(s) 30205 - Bioengineering and Digital Health
Research field(s) Enabling and Novel Technologies
PSP Element(s) G-503800-001
Grants Helmholtz Association
EC | EU Framework Programme for Research and Innovation H2020 | H2020 Priority Excellent Science | H2020 European Research Council (H2020 Excellent Science - European Research Council)
DOI 10.1038/s41588-022-01129-5
WOS ID WOS:000828450500003
Scopus ID 85134671410
PubMed ID 35864193
Erfassungsdatum 2022-11-03
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