ArticleBMC ophthalmology2015
Transglutaminase binding fusion protein linked to SLPI reduced corneal inflammation and neovascularization.
Article in BMC ophthalmology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 6 citations in OpenAlex.
- Targeting injury-induced transglutaminase-2 activity with a cementoin-SLPI fusion protein: a novel therapeutic strategy for alkali-induced corneal injury.Journal of translational medicine · 2026Review
- Downregulation of the Transglutaminase 2-NF-κB Inflammatory Axis by a Fusion Protein of Cementoin and Secretory Leukocyte Protease Inhibitor Reduces Corneal Angiogenesis.International journal of molecular sciences · 2026Article
- Plasma Protein Mediation of the Association Between Blood Pressure and Retinal Vascular Occlusion.Translational vision science & technology · 2025Observational
- Mechanical strain promotes skin fibrosis through LRG-1 induction mediated by ELK1 and ERK signalling.Communications biology · 2019Article
- Cementoin-SLPI fusion protein binds to human monocytes and epithelial cells and shows higher biological activity than SLPI.Scientific reports · 2018Article
- Transglutaminase 2 in human diseases.BioMedicine · 2017Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTo study the effect of topical administration of a fusion protein (PF-MC) made up of N-terminal portion of the protease inhibitor Trappin-2 (which is a substrate of transglutaminasa-2) and SLPI (protein with anti-inflammatory, anti-bacterial and anti-viral ability), in an animal model of corneal inflammation and angiogenesis.
methodsAn alkali injury was produced with a filter paper of 3 mm with 1 N NaOH during 40 seconds on the right cornea of 36 male Sprague Dawley rats, under general anesthesia. Animals were divided into three groups according to treatment. Group 1 was treated with 10 ul of PF-MC (200 ug/ml; n = 12), Group 2, with 10 ul of SLPI (200 ug/ml; n = 12) and Group 3 was treated with buffer (10 ul; n = 12) topically administered four times a day for up to 7 days. Half of the animals were sacrificed at day 3 before making a re-epithelialization time analysis with fluorescein staining at 18 and 24 hours. In the remaining animals corneal opacity was studied and digital photographs were taken at day 7 before doing euthanasia. Eyes were processed for histology and immunofluorescence.
resultsCorneal ulcerated area was significantly lower in PF-MC treated animals compared to SLPI and buffer-treated animals at 18 hours and 24 hours postinjury. A clear cornea and fundus red reflex was only found among PF-MC treated animals. Histological analysis revealed a stratified corneal epithelium with at least three layers in all PF-MC animals at day 7. In this group there was a reduced number of PMNs in the corneal stroma at 3 and 7 days of follow-up. Besides, corneal neovascularization was much more extended in SLPI and Buffer animals than in animals treated with PF-MC.
conclusionsThe binding of SLPI with Cementoin to transglutaminase seems to be an effective strategy to treat corneal inflammation and angiogenesis.
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