ArticleInternational journal of ophthalmology2023
Intravitreal slow-release dexamethasone alleviates traumatic proliferative vitreoretinopathy by inhibiting persistent inflammation and Müller cell gliosis in rabbits.
Article in International journal of ophthalmology, 2023. 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, 11 citations in OpenAlex.
- Vaccinia-related kinase 1/snail family transcriptional repressor 1 regulates epithelial-mesenchymal transition and inflammation in proliferative vitreoretinopathy.International journal of ophthalmology · 2026Article
- From fibrotic mechanisms to clinical translation: the drug therapy revolution and delivery system breakthrough in proliferative vitreoretinopathy.Frontiers in immunology · 2026Review
- Pathogenic mechanisms and treatment advances in proliferative vitreoretinopathy: A review.Medicine · 2025Review
- Intravitreal Dexamethasone Implant in Vitreoretinal Surgery: An Overview of the Literature.Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2025Review
- CX3CL1/CX3CR1 Signaling Mediated Neuroglia Activation Is Implicated in the Retinal Degeneration: A Potential Therapeutic Target to Prevent Photoreceptor Death.Investigative ophthalmology & visual science · 2024Article
- The application of dexamethasone implants in uveitis treatment.Frontiers in medicine · 2024Review
- Impaired pericyte-Müller glia interactionInternational journal of ophthalmology · 2024Article
- Vitreous Olink proteomics reveals inflammatory biomarkers for diagnosis and prognosis of traumatic proliferative vitreoretinopathy.Frontiers in immunology · 2024Article
- MCC950 Ameliorates Acute Exogenous Lipoid Pneumonia Induced by Sewing Machine Oil in RatsIn vivo (Athens, Greece)Article
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimTo evaluate the effects of intravitreal slow-release dexamethasone on traumatic proliferative vitreoretinopathy (PVR) and Müller cell gliosis and preliminarily explored the possible inflammatory mechanism in a rabbit model induced by penetrating ocular trauma.
methodsTraumatic PVR was induced in the right eyes of pigmented rabbits by performing an 8-mm circumferential scleral incision placed 2.5 mm behind the limbus, followed by treatment with a slow-release dexamethasone implant (Ozurdex) or sham injection. Left eyes were used as normal controls. The intraocular pressure (IOP) was monitored using an iCare tonometer. PVR severity was evaluated
resultsDuring the observation period, PVR severity gradually increased. Intense Müller cell gliosis was observed in the peripheral retina near the wound and in the whole retina of PVR group. Ozurdex significantly alleviated PVR development and Müller cell gliosis. Post-traumatic inflammation fluctuated and was persistent. The interleukin-1β (IL-1β) mRNA level was significantly upregulated, peaking on day 3 and increasing again on day 21 after injury. The expression of nod-like receptor family pyrin domain containing 3 (NLRP3) showed a similar trend that began earlier than that of IL-1β expression. Ozurdex suppressed the expression of IL-1β, NLRP3, and phosphorylated nuclear factor-kappa B (NF-κB). The average IOP after treatment was within normal limits.
conclusionThe present study demonstrates chronic and fluctuating inflammation in a traumatic PVR rabbit model over 6wk. Ozurdex treatment significantly inhibites inflammatory cytokines expression and Müller cell gliosis, and thus alleviates PVR severity. This study highlights the important role of IL-1β, and Ozurdex inhibites inflammation presumably
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