ArticleJournal of neuroinflammation2022
The effect of topical decorin on temporal changes to corneal immune cells after epithelial abrasion.
Article in Journal of neuroinflammation, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Endogenous Therapeutic Agents for Acute Corneal and Ocular Surface Injuries.Translational vision science & technology · 2026Review
- Aging and Corneal Nerve Health: Mechanisms of Degeneration and Emerging Therapies for the Cornea.Cells · 2025Review
- The Role of Decorin in the Ocular Surface: Structure, Function, and Therapeutic Potential.Proteoglycan research · 2025Article
- Ocular surface glycocalyx in health and disease.Frontiers in cell and developmental biology · 2025Review
- Transcriptome and Proteome Analysis Identify Decorin as a Principal Antifibrotic Component Trapping TGF-Stem cells international · 2025Article
- Dopamine Receptor 1 Treatment Promotes Epithelial Repair of Corneal Injury by Inhibiting NOD-Like Receptor Protein 3-Associated Inflammation.Investigative ophthalmology & visual science · 2024Article
- Topical Decorin Reduces Corneal Inflammation and Imparts Neuroprotection in a Mouse Model of Benzalkonium Chloride-induced Corneal Neuropathy.Investigative ophthalmology & visual science · 2023Article
- Topographical Distribution and Phenotype of Resident Meibomian Gland Orifice Immune Cells (MOICs) in Mice and the Effects of Topical Benzalkonium Chloride (BAK).International journal of molecular sciences · 2022Article
- Injectable Decorin/Gellan Gum Hydrogel Encapsulating Adipose-Derived Stem Cells Enhances Anti-Inflammatory Effect in Cartilage Injury via Autophagy Signaling.Cell transplantationArticle
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Authors and funding
4 authors.
Funding
Abstract
backgroundCorneal immune cells interact with corneal sensory nerves during both homeostasis and inflammation. This study sought to evaluate temporal changes to corneal immune cell density in a mouse model of epithelial abrasion and nerve injury, and to investigate the immunomodulatory effects of topical decorin, which we have shown previously to promote corneal nerve regeneration.
methodsBilateral corneal epithelial abrasions (2 mm) were performed on C57BL/6J mice. Topical decorin or saline eye drops were applied three times daily for 12 h, 24 h, 3 days or 5 days. Optical coherence tomography imaging was performed to measure the abrasion area. The densities of corneal sensory nerves (β-tubulin III) and immune cells, including dendritic cells (DCs; CD11c
resultsIn decorin-treated corneas, higher intraepithelial DC densities and lower neutrophil densities were observed at 24 h after injury, compared to saline controls. At 12 h post-injury, topical decorin application was associated with greater re-epithelialisation. At 5 days post-injury, corneal stromal macrophage density in the decorin-treated and contralateral eyes was lower, and nerve density was higher, compared to eyes treated with saline only. Lower expression of transforming growth factor beta (TGF-β) and higher expression of CSPG4 mRNA was detected in corneas treated with topical decorin. There was no difference in corneal neutrophil density in Cx3cr1
conclusionsTopical decorin regulates immune cell dynamics after corneal injury, by inhibiting neutrophils and recruiting intraepithelial DCs during the acute phase (< 24 h), and inhibiting macrophage density at the study endpoint (5 days). These immunomodulatory effects were associated with faster re-epithelialisation and likely contribute to promoting sensory nerve regeneration. The findings suggest a potential interaction between DCs and neutrophils with topical decorin treatment, as the decorin-induced neutrophil inhibition was absent in Cx3cr1
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