ArticleCellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology2015
Enhanced epithelial-to-mesenchymal transition associated with lysosome dysfunction in podocytes: role of p62/Sequestosome 1 as a signaling hub.
Article in Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.
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39 citing papers in PubMed, 45 citations in OpenAlex.
- Review
- NAMPT Deficiency Promotes Endothelial-Mesenchymal Transition by Inhibiting Energy Metabolism and Lysosomal Acidification in Late-Onset Fuchs Endothelial Corneal Dystrophy.Investigative ophthalmology & visual science · 2026Article
- Podocyte-specific acid sphingomyelinase overexpression promotes gasdermin D dependent pyroptosis by impairing autophagic flux during obesity.Frontiers in physiology · 2026Article
- Acid ceramidase as a novel target for adiponectin receptor agonist to abrogate podocyte NLRP3 inflammasome activation and glomerular inflammation during obesity.The Journal of pharmacology and experimental therapeutics · 2025Article
- Placenta-derived mesenchymal stem cells protect against diabetic kidney disease by upregulating autophagy-mediated SIRT1/FOXO1 pathway.Renal failure · 2024Article
- Impaired autophagic flux and dedifferentiation in podocytes lacking Asah1 gene: Role of lysosomal TRPML1 channel.Biochimica et biophysica acta. Molecular cell research · 2023Article
- Exosome Biogenesis and Lysosome Function Determine Podocyte Exosome Release and Glomerular Inflammatory Response during Hyperhomocysteinemia.The American journal of pathology · 2022Article
- Applications and Mechanisms of TripterygiumFrontiers in pharmacology · 2022Review
- PP2A protects podocytes against Adriamycin-induced injury and epithelial-to-mesenchymal transition via suppressing JIP4/p38-MAPK pathway.Cytotechnology · 2021Article
- Triptolide reverses epithelial-mesenchymal transition in glioma cells via inducing autophagy.Annals of translational medicine · 2021Article
- Tripterygium glycoside suppresses epithelial‑to‑mesenchymal transition of diabetic kidney disease podocytes by targeting autophagy through the mTOR/Twist1 pathway.Molecular medicine reports · 2021Article
- Contribution of podocyte inflammatory exosome release to glomerular inflammation and sclerosis during hyperhomocysteinemia.Biochimica et biophysica acta. Molecular basis of disease · 2021Article
- Podocyte Sphingolipid Signaling in Nephrotic Syndrome.Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology · 2021Review
- Epithelial-Mesenchymal Transition and Senescence in the Retinal Pigment Epithelium ofInternational journal of molecular sciences · 2021Article
- Abnormal podocyte TRPML1 channel activity and exosome release in mice with podocyte-specific Asah1 gene deletion.Biochimica et biophysica acta. Molecular and cell biology of lipids · 2021Article
- Lysosomal TRPML1 Channel: Implications in Cardiovascular and Kidney Diseases.Advances in experimental medicine and biology · 2021Article
- EMT and EndMT: Emerging Roles in Age-Related Macular Degeneration.International journal of molecular sciences · 2020Review
- Podocytopathy and Nephrotic Syndrome in Mice with Podocyte-Specific Deletion of the Asah1 Gene: Role of Ceramide Accumulation in Glomeruli.The American journal of pathology · 2020Article
- p62/SQSTM1 accumulation due to degradation inhibition and transcriptional activation plays a critical role in silica nanoparticle-induced airway inflammation via NF-κB activation.Journal of nanobiotechnology · 2020Article
- p66Shc regulates podocyte autophagy in high glucose environment through the Notch-PTEN-PI3K/Akt/mTOR pathway.Histology and histopathology · 2020Article
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
Abstract
backgroundAutophagy is of importance in the regulation of cell differentiation and senescence in podocytes. It is possible that derangement of autophagy under different pathological conditions activates or enhances Epithelial-to-Mesenchymal Transition (EMT) in podocytes, resulting in glomerular sclerosis. To test this hypothesis, the present study produced lysosome dysfunction by inhibition of the vacuolar H(+)-ATPase (V-ATPase) to test whether deficiency of autophagic flux leads to enhancement of EMT in podocytes. METHODS AND
resultsBy Western blot and confocal analysis, lysosome inhibition using a V-ATPase inhibitor or its siRNA was found to markedly decreases the epithelial markers (P-cadherin and ZO-1) and increases the mesenchymal markers (FSP-1 and α-SMA). This enhancement was accompanied by deficient autophagic flux, as demonstrated by marked increases in LC3B-II and p62/Sequestosome 1. However, inhibition of autophagosome formation using spaudin-1 significantly attenuated both enhancement of EMT and deficiency of autophagic flux. To explore the mechanisms by which deficient autophagic flux enhances EMT, we tested the role of accumulated p62 as a signal hub in this process. Neither the nuclear factor erythroid 2-related factor 2 (Nrf2) and nuclear kappa-light-chain-enhancer pathways of p62 contributed to enhanced EMT. However, inhibition of cyclin-dependent kinase 1 (CDK1) activity reduced the phosphorylation of p62 and enhanced EMT in podocytes similar to lysosome dysfunction.
conclusionThe lack of phosphorylated p62 leads to a faster exit from cell mitosis, enhanced EMT associated with lysosome dysfunction may be attributed to accumulation of p62 and associated reduction of p62 phosphorylation.
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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.