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Podocyte GSK3 is an evolutionarily conserved critical regulator of kidney function.

Hurcombe, J., Hartley, P. S., Lay, A.C., Ni, L., Bedford, J.J., Leader, J.P., Singh, S., Murphy, M., Scudamore, C.L., Marquez, E., Barrington, A.F., Pinto, V., Marchetti, M., Wong, L-F, Uney, J., Saleem, M.A., Mathieson, P.W., Patel, S., Walker, R.J., Woodgett, J.R., Quaggin, S.E., Welsh, G.I. and Coward, R.J.M., 2019. Podocyte GSK3 is an evolutionarily conserved critical regulator of kidney function. Nature Communications, 10, 403.

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s41467-018-08235-1.pdf - Published Version
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DOI: 10.1038/s41467-018-08235-1


Albuminuria affects millions of people, and is an independent risk factor for kidney failure, cardiovascular morbidity and death. The key cell that prevents albuminuria is the terminally differentiated glomerular podocyte. Here we report the evolutionary importance of the enzyme Glycogen Synthase Kinase 3 (GSK3) for maintaining podocyte function in mice and the equivalent nephrocyte cell in Drosophila. Developmental deletion of both GSK3 isoforms (α and β) in murine podocytes causes late neonatal death associated with massive albuminuria and renal failure. Similarly, silencing GSK3 in nephrocytes is developmentally lethal for this cell. Mature genetic or pharmacological podocyte/nephrocyte GSK3 inhibition is also detrimental; producing albuminuric kidney disease in mice and nephrocyte depletion in Drosophila. Mechanistically, GSK3 loss causes differentiated podocytes to re-enter the cell cycle and undergo mitotic catastrophe, modulated via the Hippo pathway but independent of Wnt-β-catenin. This work clearly identifies GSK3 as a critical regulator of podocyte and hence kidney function

Item Type:Article
Additional Information:1. First two authors contributed equally to the work. 2. A BU student is acknowledged in the paper.
Group:Faculty of Science & Technology
ID Code:31732
Deposited By: Symplectic RT2
Deposited On:05 Feb 2019 14:30
Last Modified:14 Mar 2022 14:14


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