ArticleFASEB journal : official publication of the Federation of American Societies for Experimental Biology2021
Nerve-associated transient receptor potential ion channels can contribute to intrinsic resistance to bacterial adhesion in vivo.
Article in FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
11 citing papers in PubMed, 16 citations in OpenAlex.
- Prior contact lens wear reduces susceptibility of the superficially-injured cornea to bacterial adhesion.PloS one · 2026Article
- TRPV1 Defends the Healthy Murine Cornea Against Staphylococcus aureus Adhesion Independently of Sensory Nerve Firing.Investigative ophthalmology & visual science · 2025Article
- ThemBio · 2025Article
- Contact Lens Wear Alters Transcriptional Responses to Pseudomonas aeruginosa in Both the Corneal Epithelium and the Bacteria.Investigative ophthalmology & visual science · 2025Article
- Article
- Contact Lens Wear Alters Transcriptional Responses tobioRxiv : the preprint server for biology · 2024Article
- Article
- TRPA1 and TPRV1 Ion Channels Are Required for Contact Lens-Induced Corneal Parainflammation and Can Modulate Levels of Resident Corneal Immune Cells.Investigative ophthalmology & visual science · 2023Article
- L-Carnitine Suppresses Transient Receptor Potential Vanilloid Type 1 Activation in Human Corneal Epithelial Cells.International journal of molecular sciences · 2023Article
- Genetic Manipulation of Corynebacterium mastitidis to Better Understand the Ocular Microbiome.Investigative ophthalmology & visual science · 2023Article
- Mucosal immunology of the ocular surface.Mucosal immunology · 2022Review
Corrections and comments
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Authors and funding
11 authors at 1 institution in 1 country.
Funding
Abstract
The cornea of the eye differs from other mucosal surfaces in that it lacks a viable bacterial microbiome and by its unusually high density of sensory nerve endings. Here, we explored the role of corneal nerves in preventing bacterial adhesion. Pharmacological and genetic methods were used to inhibit the function of corneal sensory nerves or their associated transient receptor potential cation channels TRPA1 and TRPV1. Impacts on bacterial adhesion, resident immune cells, and epithelial integrity were examined using fluorescent labeling and quantitative confocal imaging. TRPA1/TRPV1 double gene-knockout mice were more susceptible to adhesion of environmental bacteria and to that of deliberately-inoculated Pseudomonas aeruginosa. Supporting the involvement of TRPA1/TRPV1-expressing corneal nerves, P. aeruginosa adhesion was also promoted by treatment with bupivacaine, or ablation of TRPA1/TRPV1-expressing nerves using RTX. Moreover, TRPA1/TRPV1-dependent defense was abolished by enucleation which severs corneal nerves. High-resolution imaging showed normal corneal ultrastructure and surface-labeling by wheat-germ agglutinin for TRPA1/TRPV1 knockout murine corneas, and intact barrier function by absence of fluorescein staining. P. aeruginosa adhering to corneas after perturbation of nerve or TRPA1/TRPV1 function failed to penetrate the surface. Single gene-knockout mice showed roles for both TRPA1 and TRPV1, with TRPA1
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