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The protective role of peroxisome proliferator-activated receptor gamma in lipotoxic podocytes

dc.contributor.authorCarrasco, Almudena G.
dc.contributor.authorIzquierdo-Lahuerta, Adriana
dc.contributor.authorValverde, Ángela M.
dc.contributor.authorNi, Lan
dc.contributor.authorFlores-Salguero, Elena
dc.contributor.authorCoward, Richard J.
dc.contributor.authorMedina-Gómez, Gema
dc.date.accessioned2023-10-10T10:34:47Z
dc.date.available2023-10-10T10:34:47Z
dc.date.issued2023
dc.identifier.citationAlmudena G. Carrasco, Adriana Izquierdo-Lahuerta, Ángela M. Valverde, Lan Ni, Elena Flores-Salguero, Richard J. Coward, Gema Medina-Gómez, The protective role of peroxisome proliferator-activated receptor gamma in lipotoxic podocytes, Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids, Volume 1868, Issue 7, 2023, 159329, ISSN 1388-1981, https://doi.org/10.1016/j.bbalip.2023.159329es
dc.identifier.issn1388-1981
dc.identifier.urihttps://hdl.handle.net/10115/24793
dc.descriptionResearch conducted for this publication was supported by the Mobility stays abroad José Castillejo for young doctors of Ministerio de Educación Cultura y Deporte de España [CAS 12/00160], Ministerio de Economía y Competitividad de España [BFU2016-78951-R, BFU2017-90578-REDT], Ministerio de Ciencia e Innovacion [PID2020-116875RB-I00], Comunidad de Madrid (Spain) [S2017/BMD-3684, P2022/BMD-7227]. RJC was supported by the British Medical Research Council (MRC) with a Senior Clinical Fellowship [MR/K010492/1].es
dc.description.abstractPodocytes are specialized epithelial cells that maintain the glomerular filtration barrier. These cells are susceptible to lipotoxicity in the obese state and irreversibly lost during kidney disease leading to proteinuria and renal injury. PPARγ is a nuclear receptor whose activation can be renoprotective. This study examined the role of PPARγ in the lipotoxic podocyte using a PPARγ knockout (PPARγKO) cell line and since the activation of PPARγ by Thiazolidinediones (TZD) is limited by their side effects, it explored other alternative therapies to prevent podocyte lipotoxic damage. Wild-type and PPARγKO podocytes were exposed to the fatty acid palmitic acid (PA) and treated with the TZD (Pioglitazone) and/or the Retinoid X receptor (RXR) agonist Bexarotene (BX). It revealed that podocyte PPARγ is essential for podocyte function. PPARγ deletion reduced key podocyte proteins including podocin and nephrin while increasing basal levels of oxidative and ER stress causing apoptosis and cell death. A combination therapy of low-dose TZD and BX activated both the PPARγ and RXR receptors reducing PA-induced podocyte damage. This study confirms the crucial role of PPARγ in podocyte biology and that their activation in combination therapy of TZD and BX may be beneficial in the treatment of obesity-related kidney disease.es
dc.language.isoenges
dc.publisherElsevieres
dc.rightsAtribución 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectPPARgammaes
dc.subjectRXRes
dc.subjectLipid dropletses
dc.subjectTZDes
dc.subjectBexarotenees
dc.subjectPodocytees
dc.titleThe protective role of peroxisome proliferator-activated receptor gamma in lipotoxic podocyteses
dc.typeinfo:eu-repo/semantics/articlees
dc.identifier.doi10.1016/j.bbalip.2023.159329es
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses


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Atribución 4.0 InternacionalExcept where otherwise noted, this item's license is described as Atribución 4.0 Internacional