ArticleCellular and molecular life sciences : CMLS2021
Apical-basal polarity regulators are essential for slit diaphragm assembly and endocytosis in Drosophila nephrocytes.
Article in Cellular and molecular life sciences : CMLS, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 15 citations in OpenAlex.
- The Life of a Kidney Podocyte.Acta physiologica (Oxford, England) · 2025Review
- A Drug Screening Platform for Podocytopathies in Drosophila Nephrocytes.Journal of the American Society of Nephrology : JASN · 2025Article
- Linking Basement Membrane and Slit Diaphragm in Drosophila Nephrocytes.Journal of the American Society of Nephrology : JASN · 2024Article
- Oxidative Stress Contributes to Slit Diaphragm Defects Caused by Disruption of Endocytosis.Kidney international reports · 2024Article
- Insights into human kidney function from the study of Drosophila.Pediatric nephrology (Berlin, Germany) · 2023Review
- An acytokinetic cell division creates PIP2-enriched membrane asymmetries leading to slit diaphragm assembly in Drosophila nephrocytes.Development (Cambridge, England) · 2023Article
- Endocytosis at the Crossroad of Polarity and Signaling Regulation: Learning fromInternational journal of molecular sciences · 2022Review
- PI(4,5)P2 controls slit diaphragm formation and endocytosis in Drosophila nephrocytes.Cellular and molecular life sciences : CMLS · 2022Article
- Podocyte Endocytosis in Regulating the Glomerular Filtration Barrier.Frontiers in medicine · 2022Review
- UsingFrontiers in cell and developmental biology · 2022Review
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 1 country.
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Abstract
Apical-basal polarity is a key feature of most epithelial cells and it is regulated by highly conserved protein complexes. In mammalian podocytes, which emerge from columnar epithelial cells, this polarity is preserved and the tight junctions are converted to the slit diaphragms, establishing the filtration barrier. In Drosophila, nephrocytes show several structural and functional similarities with mammalian podocytes and proximal tubular cells. However, in contrast to podocytes, little is known about the role of apical-basal polarity regulators in these cells. In this study, we used expansion microscopy and found the apical polarity determinants of the PAR/aPKC and Crb-complexes to be predominantly targeted to the cell cortex in proximity to the nephrocyte diaphragm, whereas basolateral regulators also accumulate intracellularly. Knockdown of PAR-complex proteins results in severe endocytosis and nephrocyte diaphragm defects, which is due to impaired aPKC recruitment to the plasma membrane. Similar, downregulation of most basolateral polarity regulators disrupts Nephrin localization but had surprisingly divergent effects on endocytosis. Our findings suggest that morphology and slit diaphragm assembly/maintenance of nephrocytes is regulated by classical apical-basal polarity regulators, which have distinct functions in endocytosis.
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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.