Wound repair: Role of immune-epithelial interactions

G. Leoni, P. A. Neumann, R. Sumagin, T. L. Denning, A. Nusrat*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

187 Scopus citations


The epithelium serves as a highly selective barrier at mucosal surfaces. Upon injury, epithelial wound closure is orchestrated by a series of events that emanate from the epithelium itself as well as by the temporal recruitment of immune cells into the wound bed. Epithelial cells adjoining the wound flatten out, migrate, and proliferate to rapidly cover denuded surfaces and re-establish mucosal homeostasis. This process is highly regulated by proteins and lipids, proresolving mediators such as Annexin A1 protein and resolvins released into the epithelial milieu by the epithelium itself and infiltrating innate immune cells including neutrophils and macrophages. Failure to achieve these finely tuned processes is observed in chronic inflammatory diseases that are associated with non-healing wounds. An improved understanding of mechanisms that mediate repair is important in the development of therapeutics aimed to promote mucosal wound repair.

Original languageEnglish (US)
Pages (from-to)959-968
Number of pages10
JournalMucosal Immunology
Issue number5
StatePublished - Sep 19 2015

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology


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