ArticleExperimental eye research2024
Corneal epithelial-stromal constructs to study differences associated with diabetes mellitus.
Article in Experimental eye research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
4 citing papers in PubMed.
- Exosome-based therapies for corneal disorders: current status and future perspectives.MedScience · 2026Review
- The Therapeutic Potential of Exosomes in Ocular Surface Diseases.Biomolecules · 2026Review
- Corneal Extracellular Vesicles: Small Packages with a Big Impact.Pharmaceutics · 2026Review
- Characterizing Extracellular Vesicles from Biological Fluids.Journal of visualized experiments : JoVE · 2025Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
Diabetes mellitus (DM) is a common metabolic disease associated with severe macrovascular and microvascular complications that influence nearly every tissue in the body, including the anterior and posterior segments of the eye. In the cornea, DM is associated with recurrent epithelial erosion and reduced wound-healing capacity, which increases the risk of corneal scarring. We previously developed a co-culture model of the cornea consisting of immortalized human corneal epithelial cells (hCE-TJ) overlaying a self-assembled stromal layer generated by human corneal fibroblasts (hCFs) over a 4-week period. In this study, we investigated epithelial-stromal constructs generated from hCFs derived from subjects with Type 1 (T1DM) or 2 diabetes (T2DM) compared to controls. We found that T2DM constructs exhibited a disrupted epithelium and a thicker, stratified stromal layer compared to controls or T1DM. Both T1DM and T2DM stromal constructs expressed lower expression of thrombospondin-1 in isolated extracellular vesicles (EVs) compared to controls with no significant difference observed in the presence of epithelial cells, suggesting that reduced provisional matrix secretion in the corneal stroma may be a factor that promotes delayed corneal wound healing in diabetes. The tetraspanins are established extracellular vesicle (EV) markers and include CD63, CD81, and CD9, and were highly expressed by EVs in all three cell types. Control corneal stromal fibroblasts produced more and larger EVs when compared to T1DM and T2DM hCF-derived EVs, supporting a role for altered cell-cell communication in the context of DM. Further characterization of EVs and their cargo is expected to aid in the development of targeted treatments to improve corneal wound healing.
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Registered trials
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