Cited by 190Zebrafish Biomedical Research ApplicationsPlanarian Biology and ElectrostimulationWound Healing and Treatments

TNF signaling and macrophages govern fin regeneration in zebrafish larvae

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Nguyen-Chi, Mai, Laplace-Builhé, Béryl, Travnickova, Jana, Luz-Crawford, Patricia, Tejedor, Gautier, Lutfalla, Georges, Kissa, Karima, Jorgensen, Christian +1 more·2017·Cell Death & Disease

Abstract

Macrophages are essential for appendage regeneration after amputation in regenerative species. The molecular mechanisms through which macrophages orchestrate blastema formation and regeneration are still unclear. Here, we use the genetically tractable and transparent zebrafish larvae to study the functions of polarized macrophage subsets during caudal fin regeneration. After caudal fin amputation, we show an early and transient accumulation of pro-inflammatory macrophages concomitant with the accumulation of non-inflammatory macrophages which, in contrast to pro-inflammatory macrophages, remain associated to the fin until the end of the regeneration. Chemical and genetic depletion of macrophages suggested that early recruited macrophages that express TNF α are critical for blastema formation. Combining parabiosis and morpholino knockdown strategies, we show that TNF α/TNFR1 signaling pathway is required for the fin regeneration. Our study reveals that TNFR1 has a necessary and direct role in blastema cell activation suggesting that macrophage subset balance provides the accurate TNF α signal to prime regeneration in zebrafish.

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Authors
Nguyen-Chi, M., Laplace-Builhé, B., Travnickova, J., Luz-Crawford, P., Tejedor, G., Lutfalla, G., Kissa, K., Jorgensen, C., & Djouad, F.
Affiliations
  • Centre National de la Recherche Scientifique (FR)
  • Inserm (FR)
Corresponding author
Djouad, Farida
Venue
Cell Death & Disease
Published
2017-08-10
Volume
8
Issue
8
Pages
e2979-e2979
ISSN
2041-4889 (ISSN-L)
OpenAlex
W2743154979
Cited by
190
References
46
Citations by year
2026: 19 · 2025: 18 · 2024: 33 · 2023: 12 · 2022: 27 · 2021: 30 · 2020: 25 · 2019: 15 · 2018: 9 · 2017: 2
FWCI
7.44
Type
journal article
Language
en
Open access
Locations
  • Cell Death and Disease (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, cc-by)
  • HAL (submittedVersion)
Funders
  • Agence Nationale de la Recherche (ANR-10-MIDI-009, ANR-10-MIDI-0009, ANR-10)
  • Institut National de la Santé et de la Recherche Médicale
  • Université de Montpellier
  • FP7 People: Marie-Curie Actions (PITN-GA-2011-289209, FP7-PEOPLE-2011-ITN)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Zebrafish Biomedical Research Applications
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Planarian Biology and Electrostimulation
  • Health Sciences › Medicine › Rehabilitation › Wound Healing and Treatments
Keywords
TNF signaling, macrophages, fin regeneration, blastema formation, macrophage polarization, inflammatory macrophages, macrophage depletion, parabiosis, zebrafish larvae, appendage regeneration
MeSH terms
Animals, Extremities, Larva, Macrophages, Regeneration, Tumor Necrosis Factor-alpha, Zebrafish, Signal Transduction, Zebrafish Proteins, Animals, Genetically Modified, Receptors, Tumor Necrosis Factor, Type I

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