ArticleDisease models & mechanisms2022
Microvesicle release from inner segments of healthy photoreceptors is a conserved phenomenon in mammalian species.
Article in Disease models & mechanisms, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
What it found
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Who cites it
9 citing papers in PubMed, 14 citations in OpenAlex.
- Dysfunction of α2δ4 leads to photoreceptor degeneration through disrupted synaptic mitochondria and calcium crosstalk.Cell death & disease · 2026Article
- P23H rhodopsin accumulation causes transient disruptions to synaptic protein levels in rod photoreceptors in a model of retinitis pigmentosa.Disease models & mechanisms · 2025Article
- Inpp5e is crucial for photoreceptor outer segment maintenance.Journal of cell science · 2025Article
- How crosstalk between mitochondria, lysosomes, and other organelles can prevent or promote dry age-related macular degeneration.Experimental eye research · 2025Review
- Contribution of intraflagellar transport to compartmentalization and maintenance of the photoreceptor cell.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Human rod photoreceptor outer segments are supported by accessory inner segment structures.bioRxiv : the preprint server for biology · 2024Article
- Super-resolution mapping in rod photoreceptors identifies rhodopsin trafficking through the inner segment plasma membrane as an essential subcellular pathway.PLoS biology · 2024Article
- Extracellular vesicles highlight many cases of photoreceptor degeneration.Frontiers in molecular neuroscience · 2023Review
- First person - Tylor Lewis.Disease models & mechanisms · 2022Article
Corrections and comments
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Authors and funding
10 authors at 3 institutions in 1 country.
Funding
Abstract
Many inherited visual diseases arise from mutations that affect the structure and function of photoreceptor cells. In some cases, the pathology is accompanied by a massive release of extracellular vesicles from affected photoreceptors. In this study, we addressed whether vesicular release is an exclusive response to ongoing pathology or a normal homeostatic phenomenon amplified in disease. We analyzed the ultrastructure of normal photoreceptors from both rod- and cone-dominant mammalian species and found that these cells release microvesicles budding from their inner segment compartment. Inner segment-derived microvesicles vary in their content, with some of them containing the visual pigment rhodopsin and others appearing to be interconnected with mitochondria. These data suggest the existence of a fundamental process whereby healthy mammalian photoreceptors release mistrafficked or damaged inner segment material as microvesicles into the interphotoreceptor space. This release may be greatly enhanced under pathological conditions associated with defects in protein targeting and trafficking. This article has an associated First Person interview with the first author of the paper.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.