Cited by 104Wound Healing and TreatmentsImmune cells in cancerMacrophage Migration Inhibitory Factor

Reduced Il17a Expression Distinguishes a Ly6cloMHCIIhi Macrophage Population Promoting Wound Healing

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Rodero, Mathieu P., Hodgson, Samantha S., Hollier, Brett, Combadiere, Christophe, Khosrotehrani, Kiarash·2013·Journal of Investigative Dermatology

Abstract

Macrophages are the main components of inflammation during skin wound healing. They are critical in wound closure and in excessive inflammation, resulting in defective healing observed in chronic wounds. Given the heterogeneity of macrophage phenotypes and functions, we here hypothesized that different subpopulations of macrophages would have different and sometimes opposing effects on wound healing. Using multimarker flow cytometry and RNA expression array analyses on macrophage subpopulations from wound granulation tissue, we identified a Ly6c(lo)MHCII(hi) "noninflammatory" subset that increased both in absolute number and proportion during normal wound healing and was missing in Ob/Ob and MYD88-/- models of delayed healing. We also identified IL17 as the main cytokine distinguishing this population from proinflammatory macrophages and demonstrated that inhibition of IL17 by blocking Ab or in IL17A-/- mice accelerated normal and delayed healing. These findings dissect the complexity of the role and activity of the macrophages during wound inflammation and may contribute to the development of therapeutic approaches to restore healing in chronic wounds.

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Crossref · 10.1038/jid.2012.368

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Authors
Rodero, M. P., Hodgson, S. S., Hollier, B., Combadiere, C., & Khosrotehrani, K.
Affiliations
  • The University of Queensland (AU)
  • Queensland University of Technology (AU)
Corresponding author
Khosrotehrani, Kiarash
Venue
Journal of Investigative Dermatology
Publisher
Elsevier BV
Published
2013-03
Volume
133
Issue
3
Pages
783-792
ISSN
0022-202X (ISSN-L)
OpenAlex
W1540897100
Cited by
104
References
36
Citations by year
2026: 7 · 2025: 6 · 2024: 9 · 2023: 9 · 2022: 12 · 2021: 7 · 2020: 8 · 2019: 8 · 2018: 9 · 2017: 10 · 2016: 6 · 2015: 5 · 2014: 4 · 2013: 4
FWCI
4.40
Type
journal article
Language
en
Open access
Locations
  • Journal of Investigative Dermatology (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
  • Faculty of Health; Institute of Health and Biomedical Innovation
Funders
  • University of Queensland
  • National Health and Medical Research Council (1023371)
Topics
  • Health Sciences › Medicine › Rehabilitation › Wound Healing and Treatments
  • Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
  • Life Sciences › Immunology and Microbiology › Immunology › Macrophage Migration Inhibitory Factor
Keywords
macrophage heterogeneity, wound healing, chronic wounds, IL-17A, IL-17, Ly6C, MHC class II, granulation tissue, delayed wound healing, ob/ob mice, MyD88 knockout mice, skin inflammation
MeSH terms
Animals, Antibodies, Histocompatibility Antigens Class II, Antigens, Ly, Bone Marrow Cells, Cell Differentiation, Female, Macrophages, Male, Mice, Inbred C57BL, Mice, Obese, Wound Healing, Mice, Knockout, Interleukin-17, Leptin, Models, Animal, Mice, Myeloid Differentiation Factor 88

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