ArticleFrontiers in cellular neuroscience2023
The first synapse in vision in the aging mouse retina.
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 8 papers.
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Who cites it
8 citing papers in PubMed, 7 citations in OpenAlex.
- Multiomic Integration Reveals Novel miRNA-mRNA-Protein Expression Profile in the Aged Female Retina.Investigative ophthalmology & visual science · 2026Article
- AAV-mediated age- and circuit-dependent restoration of photoreceptor synaptic structure and function in α2δ4-associated retinal synaptopathy.bioRxiv : the preprint server for biology · 2026Article
- Early Reduction in Mitochondrial Membrane Potential in Synaptic Mitochondria Contribute to Synaptic Pathology in the EAE Mouse Model of Multiple Sclerosis.International journal of molecular sciences · 2026Article
- Alterations of Photoreceptor Synaptic Ribbons in the Retina of a Human Patient With Oculocutaneous Albinism Type 1 (OCA1).Investigative ophthalmology & visual science · 2025Article
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- High-Resolution OCT Reveals Age-Associated Variation in the Region Posterior to the External Limiting Membrane.Translational vision science & technology · 2025Article
- A discussion on the application of fluorescence micro-optical sectioning tomography in the research of cognitive dysfunction in diabetes.Open medicine (Warsaw, Poland) · 2025Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Vision is our primary sense, and maintaining it throughout our lifespan is crucial for our well-being. However, the retina, which initiates vision, suffers from an age-related, irreversible functional decline. What causes this functional decline, and how it might be treated, is still unclear. Synapses are the functional hub for signal transmission between neurons, and studies have shown that aging is widely associated with synaptic dysfunction. In this study, we examined the first synapse of the visual system - the rod and cone photoreceptor ribbon synapse - in the mouse retina using light and electron microscopy at 2-3 months, ~1 year, and >2 years of age. We asked, whether age-related changes in key synaptic components might be a driver of synaptic dysfunction and ultimately age-related functional decline during normal aging. We found sprouting of horizontal and bipolar cells, formation of ectopic photoreceptor ribbon synapses, and a decrease in the number of rod photoreceptors and photoreceptor ribbon synapses in the aged retina. However, the majority of the photoreceptors did not show obvious changes in the structural components and protein composition of their ribbon synapses. Noteworthy is the increase in mitochondrial size in rod photoreceptor terminals in the aged retina.
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