ArticleFrontiers in cellular neuroscience2023
HSP27 induced glaucomatous damage in mice of young and advanced age.
Article in Frontiers in cellular neuroscience, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Intermittent fasting reduces glaucomatous damage in an HSP27 autoimmune mouse model.Frontiers in cellular neuroscience · 2025Article
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5 authors.
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Abstract
Introduction: Age-related diseases such as glaucoma, a leading cause of blindness, are having an upward trend due to an aging society. In glaucoma, some patients display altered antibody profiles and increased antibody titers, for example against heat shock protein 27 (HSP27). An intravitreal injection of HSP27 leads to glaucoma-like damage in rats. We now aimed to investigate if aged mice are more prone to this damage than younger ones. Methods: We intravitreally injected HSP27 into young (1-2 months) and aged (7-8 months) mice to compare glaucomatous damage. Respective age-matched controls received PBS. Not injected eyes served as naive controls. Results: Optical coherence tomography 4 weeks after injection showed no changes in retinal thickness in all groups at both ages. Cell counts and RT-qPCR revealed a significant reduction in RGC numbers in HSP27 mice at both ages. Comparing aged and young HSP27 mice, no differences in Discussion: These findings indicate that an intravitreal injection of HSP27 led to RGC loss accompanied by inflammation. Age-dependent effects (7-8 months vs. 1-2 months) were not very prominent. The results suggest a potential role of extracellular HSP27 in the development of glaucoma.
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