ArticleFrontiers in ophthalmology2023
Iron overload and chelation modulates bisretinoid levels in the retina.
Article in Frontiers in ophthalmology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Modulation of Iron-Induced Glucose Metabolic Reprogramming Alleviates Retinal Pigment Epithelial Cell Senescence.Investigative ophthalmology & visual science · 2026Article
- Crop-OCT: a Fully Integrated Imageomics Pipeline to Identify Regional and Focal Retinopathy in Murine Models.bioRxiv : the preprint server for biology · 2026Article
- More insights from Abca4The Journal of biological chemistry · 2026Article
- Bisretinoid lipofuscin, fundus autofluorescence and retinal disease.Progress in retinal and eye research · 2025Review
- Integrating Retinal Segmentation Metrics with Machine Learning for Predictions from Mouse SD-OCT Scans.Current eye research · 2025Article
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Authors and funding
5 authors.
Funding
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Abstract
Aim: Iron dysregulation in conjunction with other disease processes may exacerbate retinal degeneration. We employed models of iron overload and iron chelation to explore the interactions between iron-catalyzed oxidation and photoreactive bisretinoid lipofuscin. Methods: The mice were injected intravitreally with ferric ammonium citrate (FAC) or were treated using the iron chelator deferiprone (DFP) from birth to 2 months of age. Short-wavelength fundus autofluorescence (SW-AF) and spectral-domain optical coherence tomography (SD-OCT) scans were acquired. The bisretinoid levels were quantified using ultra performance liquid chromatography (UPLC) and Results: The levels of bisretinoids, all- Conclusion: Iron accumulation was associated with progressive impairment in photoreceptor cells that was associated with the increased formation of a bisretinoid species known to form in photoreceptor outer segments as a precursor to A2E. Additionally, disease features such as the development of hyperautofluorescence puncta in fundus AF images, hyperreflectivity in the outer retina of SD-OCT scans, and ONL thinning were more pronounced when iron was delivered to
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