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- W4384564391 abstract "This study quantified age-related changes to retinal autophagy using the CAG-RFP-EGFP-LC3 autophagy reporter mice and considered how aging impacts autophagic responses to acute intraocular pressure (IOP) stress. IOP was elevated to 50 mm Hg for 30 minutes in 3-month-old and 12-month-old CAG-RFP-EGFP-LC3 (n = 7 per age group) and Thy1-YFPh transgenic mice (n = 3 per age group). Compared with younger eyes, older eyes showed diminished basal autophagy in the outer retina, while the inner retina was unaffected. Autophagic flux (red:yellow puncta ratio) was elevated in the inner plexiform layer. Three days following IOP elevation, older eyes showed poorer functional recovery, most notably in ganglion cell responses compared to younger eyes (12 months old: -33.4 ± 5.3% vs. 3 months mice: -13.4 ± 4.5%). This paralleled a reduced capacity to upregulate autophagic puncta volume in the inner retina in older eyes, a response that was seen in younger eyes. Age-related decline in basal and stress-induced autophagy in the retina is associated with greater retinal ganglion cells' susceptibility to IOP elevation." @default.
- W4384564391 created "2023-07-18" @default.
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- W4384564391 date "2023-11-01" @default.
- W4384564391 modified "2023-10-18" @default.
- W4384564391 title "Age-related deficits in retinal autophagy following intraocular pressure elevation in autophagy reporter mouse model" @default.
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- W4384564391 doi "https://doi.org/10.1016/j.neurobiolaging.2023.07.009" @default.
- W4384564391 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37586253" @default.
- W4384564391 hasPublicationYear "2023" @default.
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