Cited by 72Wound Healing and TreatmentsComplement system in diseasesInflammation biomarkers and pathways

Complement deficiency promotes cutaneous wound healing in mice

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Rafail, Stavros, Kourtzelis, Ioannis, Foukas, Periklis G, Markiewski, Maciej M, DeAngelis, Robert A, Guariento, Mara, Ricklin, Daniel, Grice, Elizabeth A +1 more·2015·The Journal of Immunology

Abstract

Wound healing is a complex homeostatic response to injury that engages numerous cellular activities, processes, and cell-to-cell interactions. The complement system, an intricate network of proteins with important roles in immune surveillance and homeostasis, has been implicated in many physiological processes; however, its role in wound healing remains largely unexplored. In this study, we employ a murine model of excisional cutaneous wound healing and show that C3−/− mice exhibit accelerated early stages of wound healing. Reconstitution of C3−/− mice with serum from C3+/+ mice or purified human C3 abrogated the accelerated wound-healing phenotype. Wound histology of C3−/− mice revealed a reduction in inflammatory infiltrate compared with C3+/+ mice. C3 deficiency also resulted in increased accumulation of mast cells and advanced angiogenesis. We further show that mice deficient in the downstream complement effector C5 exhibit a similar wound-healing phenotype, which is recapitulated in C5aR1−/− mice, but not C3aR−/− or C5aR2−/− mice. Taken together, these data suggest that C5a signaling through C5aR may in part play a pivotal role in recruitment and activation of inflammatory cells to the wound environment, which in turn could delay the early stages of cutaneous wound healing. These findings also suggest a previously underappreciated role for complement in wound healing, and may have therapeutic implications for conditions of delayed wound healing.

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Authors
Rafail, S., Kourtzelis, I., Foukas, P. G., Markiewski, M. M., DeAngelis, R. A., Guariento, M., Ricklin, D., Grice, E. A., & Lambris, J. D.
Affiliations
  • University of Pennsylvania (US)
  • Technische Universität Dresden (DE)
  • National and Kapodistrian University of Athens (GR)
Corresponding author
  • Rafail, Stavros
  • Kourtzelis, Ioannis
  • Guariento, Mara
  • Ricklin, Daniel
Venue
The Journal of Immunology
Published
2015-02-01
Volume
194
Issue
3
Pages
1285-1291
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W1651285952
Cited by
72
References
47
Citations by year
2026: 3 · 2025: 5 · 2024: 5 · 2023: 8 · 2022: 11 · 2021: 9 · 2020: 5 · 2019: 9 · 2018: 2 · 2017: 6 · 2016: 6 · 2015: 3
FWCI
4.85
Type
journal article
Language
en
Open access
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (n01ai30040-13-0-5, 602699, AI068730, AI030040)
  • National Eye Institute (EY020633, R01EY020633)
  • National Institute of Allergy and Infectious Diseases (R21AI097805, AI 068730, AI097805, P01AI068730, N01 AI030040, R01AI030040)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (R00AR060873)
Topics
  • Health Sciences › Medicine › Rehabilitation › Wound Healing and Treatments
  • Life Sciences › Immunology and Microbiology › Immunology › Complement system in diseases
  • Life Sciences › Immunology and Microbiology › Immunology › Inflammation biomarkers and pathways
Keywords
complement system, skin wound healing, C3 deficiency, C5a receptor, C5aR1, C5aR2, C3a receptor, C5 deficiency, mast cells, angiogenesis, inflammatory cell infiltration, delayed wound healing, excision wound
MeSH terms
Animals, Complement System Proteins, Complement C3, Disease Models, Animal, Humans, Inflammation, Male, Receptors, Complement, Skin, Wound Healing, Complement C5a, Mice, Knockout, Models, Immunological, Neovascularization, Physiologic, Mice

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