ArticleBMJ open ophthalmology2025
Anti-inflammatory actions of ripasudil ameliorate experimental autoimmune uveoretinitis in the acute phase.
Article in BMJ open ophthalmology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Real-world effectiveness and safety of a fixed-dose combination of 0.4% ripasudil and 0.1% brimonidine in the management of uveitic glaucoma.Japanese journal of ophthalmology · 2026Article
- Efficacy of ripasudil-brimonidine fixed-dose combination in secondary glaucoma associated with uveitis: a retrospective study.Japanese journal of ophthalmology · 2026Article
- A human-specificMolecular therapy. Nucleic acids · 2025Article
- Enhanced M2 Polarization of Retinal Microglia in Streptozotocin-Induced Diabetic Mice upon Autoimmune Stimulation.Biomedicines · 2025Article
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6 authors.
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Abstract
introductionRho-associated protein kinases (ROCKs) are a key regulator of T cell function, influencing a wide range of processes from activation to differentiation. Experimental autoimmune uveoretinitis (EAU) is an animal model of human non-infectious uveitis. This study aimed to evaluate the suppressive effects of ripasudil, a ROCK inhibitor, on ocular inflammation when administered from the onset of EAU and to elucidate the underlying mechanisms of its inhibitory effects.
methodsEAU was induced in wild-type C57BL/6 mice by immunisation with IRBP peptide. Ripasudil or its vehicle, PBS, was intraperitoneally administered daily starting from 8 days post-immunisation. Clinical and histopathological examinations and analysis of T cell activation state were conducted. In addition, T cell gene expression profiles in the relevant immune functions were identified using single-cell RNA sequencing (scRNA-seq).
resultsThe development of EAU was significantly attenuated and T cell activation and Th1 cell differentiation were significantly inhibited in mice with ripasudil (RIP-EAU) compared with mice with PBS (PBS-EAU), scRNA-seq using splenic T cells indicated that genes involved in the ROCK signalling pathway were highly expressed in low-differentiated Th1/Th17 cells, intermediate Th1 cells and differentiated Th1 cells. In addition, although differentiated Th1 and Th17 cells constituted similar proportions between PBS-EAU and RIP-EAU mice, RIP-EAU mice exhibited fewer low-differentiated Th1/Th17 cells and intermediate Th1 cells compared with PBS-EAU mice.
conclusionRipasudil suppressed EAU when administered from the onset of the disease by inhibiting cells that strongly express genes involved in the ROCK signalling pathway and differentiate into Th1 cells.
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