ArticleMetabolic brain disease2024
Ferroptosis contributes to diabetes-induced visual pathway neuronal damage via iron accumulation and GPX4 inactivation.
Article in Metabolic brain disease, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- The Role of Ferroptosis in Diabetes Pathogenesis: Therapeutic Implications of Hydrogen Sulfide and Its Reactive Metabolites.Antioxidants (Basel, Switzerland) · 2026Review
- Circular RNAs in Diabetic Foot Ulcers: A Scoping Review of Clinical, Preclinical, and In Silico Evidence on Diagnostic and Therapeutic Potentials.Endocrinology, diabetes & metabolism · 2026Article
- Ferroptosis-Mediated Cell-Specific Damage: Molecular Cascades and Therapeutic Breakthroughs in Diabetic Retinopathy.Antioxidants (Basel, Switzerland) · 2025Review
- Ferroptosis in diabetes mellitus and its complications: overview of clinical and preclinical research.Cell death discovery · 2025Review
- Review
- Advances and challenges from pathological mechanisms to intelligent quantified diagnosis in diabetic optic neuropathy.Digital healthReview
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Authors and funding
7 authors.
Funding
Abstract
The damage of the diabetic visual pathway is one of the main causes of blindness in diabetic patients. Visual pathways include anatomic parts from the retina to the occipital lobe. This study investigated the involvement of ferroptosis, a planned cell death brought on by the buildup of free iron in cells, in the impairment of visual pathways in diabetes mellitus. Streptozotocin (STZ) was used to construct a diabetic rat model. Pathological and ultrastructural changes of the occipital lobe, retina, and optic nerve were observed by Hematoxylin-Eosin (HE) staining and transmission electron microscopy (TEM). The expressions of Neuronal nuclei (NeuN), Glial fibrillary acidic protein (GFAP), and Glutathione Peroxidase 4 (GPX4) in the occipital lobe and retina were detected by immunofluorescence, and Western Blotting was used to identify the NeuN GFAP and GPX4 expressions in the occipital lobe. Iron content in the occipital lobe and retina was detected by Iron Assay Kit. The success rate of the diabetic rat model was 93.3%. In the diabetic group, the cells of the occipital lobe and retina were arranged disorderly, and the boundaries were unclear. The membrane of the occipital lobe, retina, and optic nerve was broken, some vacuoles were observed, mitochondrial morphology was changed, swelling was observed, and the mitochondrial ridge disappeared. There was a large increase in GFAP expression and iron concentration and a significant decrease in the expression of NeuN, and GPX4 in the retina and occipital lobe. Ferroptosis plays an important role in visual pathway damage in diabetes, and GPX4 regulates this process.
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