ArticleCommunications biology2025
Unique ultrastructural organization of human rod photoreceptors.
Article in Communications biology, 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed.
- Missense variants in KATNA1 alter microtubule dynamics and underlie dominant macular dystrophy.Research square · 2026Article
- Accessory Inner Segment-Like Structures Develop in Human Retinal Organoids.Stem cell reviews and reports · 2026Article
- Photoreceptor Vulnerability to Ferroptosis: Membrane Phospholipid Peroxidation, Mitochondrial Homeostasis, and RPE-Photoreceptor Coupling.Current issues in molecular biology · 2026Review
- Peripherin-2 and ROM1 Incorporate Directly Into the Rims of Enclosing Photoreceptor Discs Without Accumulating in the Nascent Disc Lamellae.Investigative ophthalmology & visual science · 2025Article
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9 authors.
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Abstract
Rod and cone photoreceptor cells are specialized neurons responsible for transforming the information reaching the eyes in the form of photons into the language of neuronal activity. Rods are the most prevalent photoreceptor type, primarily responsible for light detection under conditions of limited illumination. Here we demonstrate that human rods have a morphological organization unique among all described species, whereby the cell soma extends alongside the light-sensitive outer segment compartment to form a structure we have termed the "accessory inner segment." These structures have two striking features: they are reinforced by a massive microtubular cytoskeleton and contain electron-dense adhesions that mediate their attachment to outer segments. Given that the spacing of human rod photoreceptors is sparser than in most other species, the accessory inner segment likely provides mechanical support to the closely apposed outer segment. This discovery expands our understanding of the human retina and directs future studies of human photoreceptor function in health and disease.
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