A YAP/TAZ-ARHGAP29-RhoA Signaling Axis Regulates Podocyte Protrusions and Integrin Adhesions
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A YAP/TAZ-ARHGAP29-RhoA Signaling Axis Regulates Podocyte Protrusions and Integrin Adhesions. / Rogg, Manuel; Maier, Jasmin I; Helmstädter, Martin; Sammarco, Alena; Kliewe, Felix; Kretz, Oliver; Weißer, Lisa; Van Wymersch, Clara; Findeisen, Karla; Koessinger, Anna L; Tsoy, Olga; Baumbach, Jan; Grabbert, Markus; Werner, Martin; Huber, Tobias B; Endlich, Nicole; Schilling, Oliver; Schell, Christoph.
In: CELLS-BASEL, Vol. 12, No. 13, 1795, 06.07.2023.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - A YAP/TAZ-ARHGAP29-RhoA Signaling Axis Regulates Podocyte Protrusions and Integrin Adhesions
AU - Rogg, Manuel
AU - Maier, Jasmin I
AU - Helmstädter, Martin
AU - Sammarco, Alena
AU - Kliewe, Felix
AU - Kretz, Oliver
AU - Weißer, Lisa
AU - Van Wymersch, Clara
AU - Findeisen, Karla
AU - Koessinger, Anna L
AU - Tsoy, Olga
AU - Baumbach, Jan
AU - Grabbert, Markus
AU - Werner, Martin
AU - Huber, Tobias B
AU - Endlich, Nicole
AU - Schilling, Oliver
AU - Schell, Christoph
PY - 2023/7/6
Y1 - 2023/7/6
N2 - Glomerular disease due to podocyte malfunction is a major factor in the pathogenesis of chronic kidney disease. Identification of podocyte-specific signaling pathways is therefore a prerequisite to characterizing relevant disease pathways and developing novel treatment approaches. Here, we employed loss of function studies for EPB41L5 (Yurt) as a central podocyte gene to generate a cell type-specific disease model. Loss of Yurt in fly nephrocytes caused protein uptake and slit diaphragm defects. Transcriptomic and proteomic analysis of human EPB41L5 knockout podocytes demonstrated impaired mechanotransduction via the YAP/TAZ signaling pathway. Further analysis of specific inhibition of the YAP/TAZ-TEAD transcription factor complex by TEADi led to the identification of ARGHAP29 as an EPB41L5 and YAP/TAZ-dependently expressed podocyte RhoGAP. Knockdown of ARHGAP29 caused increased RhoA activation, defective lamellipodia formation, and increased maturation of integrin adhesion complexes, explaining similar phenotypes caused by loss of EPB41L5 and TEADi expression in podocytes. Detection of increased levels of ARHGAP29 in early disease stages of human glomerular disease implies a novel negative feedback loop for mechanotransductive RhoA-YAP/TAZ signaling in podocyte physiology and disease.
AB - Glomerular disease due to podocyte malfunction is a major factor in the pathogenesis of chronic kidney disease. Identification of podocyte-specific signaling pathways is therefore a prerequisite to characterizing relevant disease pathways and developing novel treatment approaches. Here, we employed loss of function studies for EPB41L5 (Yurt) as a central podocyte gene to generate a cell type-specific disease model. Loss of Yurt in fly nephrocytes caused protein uptake and slit diaphragm defects. Transcriptomic and proteomic analysis of human EPB41L5 knockout podocytes demonstrated impaired mechanotransduction via the YAP/TAZ signaling pathway. Further analysis of specific inhibition of the YAP/TAZ-TEAD transcription factor complex by TEADi led to the identification of ARGHAP29 as an EPB41L5 and YAP/TAZ-dependently expressed podocyte RhoGAP. Knockdown of ARHGAP29 caused increased RhoA activation, defective lamellipodia formation, and increased maturation of integrin adhesion complexes, explaining similar phenotypes caused by loss of EPB41L5 and TEADi expression in podocytes. Detection of increased levels of ARHGAP29 in early disease stages of human glomerular disease implies a novel negative feedback loop for mechanotransductive RhoA-YAP/TAZ signaling in podocyte physiology and disease.
KW - Humans
KW - Podocytes/metabolism
KW - Adaptor Proteins, Signal Transducing/metabolism
KW - YAP-Signaling Proteins
KW - Mechanotransduction, Cellular
KW - Integrins/metabolism
KW - Proteomics
KW - rhoA GTP-Binding Protein/metabolism
KW - Signal Transduction
KW - GTPase-Activating Proteins/metabolism
KW - Membrane Proteins/metabolism
U2 - 10.3390/cells12131795
DO - 10.3390/cells12131795
M3 - SCORING: Journal article
C2 - 37443829
VL - 12
JO - CELLS-BASEL
JF - CELLS-BASEL
SN - 2073-4409
IS - 13
M1 - 1795
ER -