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Cyclodextrin protects podocytes in diabetic kidney disease [HumanWG-6 v3.0 array]

ABSTRACT: Analysis of gene expression changes in differentiated human podocytes treated with the serum from patients with (DKD+) or without (DKD-) diabetic kidney disease when compared to normal subjects (C). The hypothesis is that the three groups can be distinghed by their differential gene expression pattern. The results obtained revealed important information regarding differences in gene expression in human podocytes treated with the serum from patients with (DKD+) or without (DKD-) diabetic kidney disease when compared to normal subjects (C).

ORGANISM(S): Homo sapiens

PROVIDER: GSE46897 | GEO | 2013/07/11

SECONDARY ACCESSION(S): PRJNA202986

REPOSITORIES: GEO

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Cyclodextrin protects podocytes in diabetic kidney disease [HumanWG-6 v3.0 array]

Project description:Analysis of gene expression changes in differentiated human podocytes treated with the serum from patients with (DKD+) or without (DKD-) diabetic kidney disease when compared to normal subjects (C). The hypothesis is that the three groups can be distinghed by their differential gene expression pattern. The results obtained revealed important information regarding differences in gene expression in human podocytes treated with the serum from patients with (DKD+) or without (DKD-) diabetic kidney disease when compared to normal subjects (C). Human podocytes were contacted with the serum from patients with diabetes and kidney disease (DKD+) or without kidney disease (DKD-) and compared to normal human podocytes contacted with serum from patients without diabetes (C).

2013-07-11 | E-GEOD-46897 | biostudies-arrayexpress

Cyclodextrin protects podocytes in diabetic kidney disease [HumanHT-12 V4.0 array]

2013-07-13 | E-GEOD-46899 | biostudies-arrayexpress

Cyclodextrin protects podocytes in diabetic kidney disease [HumanHT-12 V4.0 array]

2013-07-13 | GSE46899 | GEO

RNA sequence data in whole cell extracts of differentiated human podocytes

Project description:Sphingomyelin phosphodiesterase acid-like 3b (SMPDL3b) is a lipid raft enzyme that regulates plasma membrane (PM) fluidity. Here we report that SMPDL3b excess, as observed in podocytes in diabetic kidney disease (DKD), impairs insulin receptor isoform B-dependent pro-survival insulin signaling by interfering with insulin receptor isoforms binding to caveolin-1 in PM. SMPDL3b excess affects the production of active sphingolipids resulting in decreased ceramide-1-phosphate (C1P) content as observed in human podocytes in vitro and in kidney cortexes of diabetic db/db mice in vivo. Podocyte-specific Smpdl3b deficiency in db/db mice is sufficient to restore kidney cortex C1P content and to protect from DKD. Exogenous administration of C1P restores IR signaling in vitro and prevents established DKD progression in vivo. Taken together, we identified SMPDL3b as a modulator of insulin signaling and demonstrated that supplementation with exogenous C1P may represent a lipid therapeutic strategy to treat diabetic complications such as DKD.

2019-04-12 | GSE129666 | GEO

Increased long noncoding RNA maternally expressed gene 3 contributes to podocyte injury induced by high glucose through regulation of mitochondrial fission

Project description:Excessive mitochondrial fission plays a key role in podocyte injury in diabetic kidney disease (DKD), and long noncoding RNAs (lncRNAs) are important in the development and progression of DKD. However, lncRNA regulation of mitochondrial fission in podocytes is poorly understood. Here, we want to identify how lncRNA changes in human podocytes cultured with high glucose.

2020-07-28 | GSE155188 | GEO

Arctigenin attenuates diabetic kidney disease through the activation of PP2A in podocytes

Project description:Arctigenin (ATG) is a major component of Fructus Arctii, which as a traditional herbal remedy reduced proteinuria in diabetic patients. However, whether ATG specifically provided renoprotection in DKD was not known. Here we report that ATG administration is sufficient to attenuate proteinuria and podocyte injury in mouse models of diabetes. Transcriptomic analysis of diabetic mouse glomeruli showed that cell adhesion and inflammation are two key pathways affected by ATG treatment, and mass spectrometry analysis identified protein phosphatase 2A (PP2A) as one of the top ATG-interacting proteins in renal cells. Enhanced PP2A activity by ATG reduces p65 NF-κB-mediated inflammatory response and high glucose-induced migration in cultured podocytes via its interaction with Drebrin-1. Importantly, podocyte-specific Pp2a deletion in mice exacerbates DKD injury and abrogates the ATG-mediated renoprotection. Collectively, our results clearly demonstrate a renoprotective mechanism of ATG via PP2A activation and establish PP2A as a potential target for DKD progression.

2019-11-08 | PXD014976 | Pride

GPR124 Protects against Podocyte Senescence and Injury in Diabetic Kidney Disease

Project description:Cellular senescence is associated with the progression of diabetic kidney disease (DKD), and accelerated podocyte senescence promotes the pathogenesis of renal damage. We found that GPR124 was reduced in cultured human podocytes treated with high glucose (HG).To further clarify the role of GPR124 in podocytes, we overexpressed GPR124 via plasmid-harboring adenovirus infection. By RNA sequencing analysis of podocytes with different treatment, we observed GPR124 overexpression significantly affected several kinds of cell adhesion.

2024-11-05 | GSE280773 | GEO

Arctigenin attenuates diabetic kidney disease through the activation of PP2A in podocytes

2019-07-17 | GSE134327 | GEO

Transcriptome Analysis of Human Diabetic Kidney Disease

Project description:This SuperSeries is composed of the following subset Series: GSE30528: Transcriptome Analysis of Human Diabetic Kidney Disease (DKD Glomeruli vs. Control Glomeruli) GSE30529: Transcriptome Analysis of Human Diabetic Kidney Disease (DKD Tubuli vs. Control Tubuli) GSE30566: Transcriptome Analysis of Human Diabetic Kidney Disease (Control Glomeruli vs. Control Tubuli) Refer to individual Series

2011-08-02 | E-GEOD-30122 | biostudies-arrayexpress

Mitochondria proteomics of murine kidney podocytes

Project description:To understand how diabetes alters the protein subunits of mitochondrial Electron Transfer Chain (ETC) in the podocytes, we performed a proteomic analysis of mitochondrial proteins isolated from primary kidney podocytes of WT (C57BL/6J background) and Ins2Akita/+ diabetic (C57BL/6J background) mice.

2024-02-08 | PXD045828 | Pride

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