ArticleRenal failure2025
Mitochondrial morphological aberrations and redistribution in podocytes with glomerular diseases.
Article in Renal failure, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Clinical characteristics and prognosis of IgA nephropathy and comorbid diabetic kidney disease.Annals of medicine · 2026Article
- Podocyte Metabolic Flexibility Under Stress Conditions: From Metabolic Adaptation to Maladaptive Responses.Cells · 2026Review
- Impact of renal lipid droplet dynamics on tubular health.Journal of lipid research · 2026Review
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Authors and funding
9 authors.
Funding
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Abstract
introductionThe primary aim of this study was to investigate the morphological characteristics of podocyte mitochondria in glomerular diseases, and to analyze the correlations between these characteristics and podocyte injury, as well as clinical indicators.
methodsThis study analyzed renal biopsies from 103 patients with IgA nephropathy (IgAN), minimal change nephropathy (MCN), and idiopathic membranous nephropathy (IMN), alongside 22 controls, using transmission electron microscopy (TEM). Mitochondrial size, shape, density, and subcellular distribution were quantified and correlated with podocyte injury (foot process width, FPW) and clinical parameters.
resultsThe results indicated that podocyte mitochondria in patients with glomerular diseases were smaller, rounder, and significantly more numerous, with a more pronounced increase in the region proximal to the glomerular basement membrane (GBM). The FPW indicators revealed that podocyte damage was most severe in the IMN group, followed by the MCN group, and least severe in the IgAN group. Mitochondrial size was negatively correlated with FPW, while mitochondrial density distribution was positively correlated with FPW. In the IgAN group, the morphological characteristics of podocyte mitochondria were statistically correlated with clinical parameters, including age, estimated glomerular filtration rate (eGFR), albumin levels, and proteinuria.
conclusionPodocytes in patients with glomerular diseases exhibit significant mitochondrial morphological abnormalities, including mitochondrial fragmentation, increased fission, and altered distribution. Furthermore, in IgAN, mitochondrial morphological abnormalities and their redistribution in podocytes are significantly correlated with podocyte injury-primarily manifested as foot process effacement-and with the severity of the disease.
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