Single-cell RNA sequencing of adult mouse fibrotic kidney induced by unilateral uretral obstruction
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ABSTRACT:
ORGANISM(S): Mus musculus
PROVIDER: GSE175412 | GEO | 2024/05/08
REPOSITORIES: GEO
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Project description:Renal fibrosis is the final common pathway for chronic kidney disease. However, the detailed mechanisms and therapeutic strategies for renal fibrosis have not been established. MicroRNAs (miRNAs) are small, non coding RNAs that regulate various pathological conditions and diseases. Previous studies reported that miRNAs play a pivotal role in renal fibrosis. However, the role of miRNAs in renal fibrosis has not been completely elucidated. Therefore, in this study, miRNAs on renal fibrosis was investigated in a renal fibrosis mouse model generated by unilateral ureteral obstruction. MiRNA microarray analysis revealed 109 miRNAs that were upregulated more than 2 fold and 113 miRNAs that were downregulated less than 0.5 fold in the kidney of UUO mice compared with control mice.
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Project description:Renal fibrosis is a common consequence of various progressive nephropathies, including obstructive nephropathy, and ultimately leads to kidney failure. Infiltration of inflammatory cells is a prominent feature of renal injury after draining blockages from the kidney, and correlates closely with the development of renal fibrosis. However, the underlying molecular mechanism behind the promotion of renal fibrosis by inflammatory cells remains unclear. Herein, we showed that unilateral ureteral obstruction (UUO) induced Gasdermin D (GSDMD) activation in neutrophils, abundant neutrophil extracellular traps (NETs) formation and macrophage-to-myofibroblast transition (MMT) characterized by α-smooth muscle actin (α-SMA) expression in macrophages. Gsdmd deletion significantly reduced infiltration of inflammatory cells in the kidneys and inhibited NETs formation, MMT and thereby renal fibrosis. Chimera studies confirmed that Gsdmd deletion in bone marrow-derived cells, instead of renal parenchymal cells, provided protection against renal fibrosis. Further, specific deletion of Gsdmd in neutrophils instead of macrophages protected the kidney from undergoing fibrosis after UUO. Single-cell RNA sequencing identified robust crosstalk between neutrophils and macrophages. In vitro, GSDMD-dependent NETs triggered p65 translocation to the nucleus, which boosted the production of inflammatory cytokines and α-SMA expression in macrophages by activating TGF-β1/Smad pathway. In addition, we demonstrated that caspase-11, that could cleave GSDMD, was required for NETs formation and renal fibrosis after UUO. Collectively, our findings demonstrate that caspase-11/GSDMD-dependent NETs promote renal fibrosis by facilitating inflammation and MMT, therefore highlighting the role and mechanisms of NETs in renal fibrosis.
2024-04-19 | GSE264184 | GEO
Project description:Treatments for kidney fibrosis represent an urgent yet unmet clinical need. Effective therapies are limited due to not well understood molecular pathogenesis. We aimed at generating a comprehensive and integrated multi-omics data set (RNA/ microRNA transcriptomics and proteomics) of fibrotic kidneys which will be searchable through a user-friendly web application. Therefore, two commonly used mouse models were utilized: a reversible chemical-induced injury model (folic acid (FA) induced nephropathy) and an irreversible surgical-induced fibrosis model (unilateral ureteral obstruction (UUO)). RNA and small RNA sequencing as well as MS/MS with 10-plex tandem mass tags proteomics were performed with kidney samples from different time points over the course of fibrosis development. In summary, we present temporal and integrated multi-omics data from fibrotic mouse kidneys which are accessible through an interrogation tool to provide a searchable transcriptome and proteome for kidney fibrosis researcher.
2019-05-09 | PXD010861 | Pride
Project description:Renal tubular atrophy and interstitial fibrosis are common hallmarks of etiologically different progressive chronic kidney diseases (CKD) that eventually result in organ failure. We identify Dickkopf-3 (Dkk3) as a stress-induced, tubular epithelia-derived mediator of kidney fibrosis. Genetic as well as antibody-mediated abrogation of Dkk3 led to reduced tubular atrophy and decreased interstitial matrix accumulation in two mouse models of renal fibrosis. This was accompanied by an amplified, anti-fibrogenic, inflammatory response within the injured kidney. Mechanistically, Dkk3 deficiency led to diminished canonical Wnt/β-catenin signaling in stressed tubular epithelial cells. To identify global changes in gene expression due to the lack of Dkk3, whole-transcriptome sequencing (mRNA-seq) was performed on RNA isolated from kidneys of Wt and Dkk3-/- mice 7 days after UUO.
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Project description:Kidney fibrosis represents an urgent unmet clinical need due to the lack of effective therapies and inadequate understanding of the molecular pathogenesis. We have generated a comprehensive and integrated multi-omics data set (proteomics, mRNA and small RNA transcriptomics) of fibrotic kidneys that is searchable through a user-friendly web application. Two commonly used mouse models were utilized: a reversible chemical-induced injury model (folic acid (FA) induced nephropathy) and an irreversible surgically-induced fibrosis model (unilateral ureteral obstruction (UUO)). mRNA and small RNA sequencing as well as 10-plex tandem mass tag (TMT) proteomics were performed with kidney samples from different time points over the course of fibrosis development. The bioinformatics workflow used to process, technically validate, and integrate the single data sets will be described. In summary, we present temporal and integrated multi-omics data from fibrotic mouse kidneys that are accessible through an interrogation tool to provide a searchable transcriptome and proteome for kidney fibrosis researchers.
2019-05-07 | GSE126182 | GEO
Project description:Chronic kidney disease (CKD) is a burden for Public Health and concerns millions of individuals worldwide. Independently of the cause, CKD is secondary to the replacement of functional renal tissue by extra-cellular matrix proteins (i.e fibrosis) that progressively impairs kidney function. The pathophysiological pathways that control the development of renal fibrosis are common to most of the nephropathies involving native kidneys or kidney grafts. Unfortunately, very few treatments are available to stop renal fibrosis and most of the therapeutic strategies are often barely able to slow down the progression of fibrogenesis in native kidneys. Therefore, it is mandatory to discover new therapeutic pathways to stop renal fibrosis. Our objective is to study new pathways involved in renal fibrosis. We thus decided to use the model of Unilateral Ureteral renal Obstruction in mice, a fast and reproducible experimental model of renal fibrosis. We studied renal fibrosis using experimental model of ureteral unilateral obstruction in mice, which was performed by complete ligation of the left ureter. The control lateral right kidney served as internal control.
2013-02-10 | E-GEOD-38117 | biostudies-arrayexpress
Project description:The kidney has limited capacity to regenerate following injury and preferentially repairs chronic injury with secreted extracellular matrix proteins. This can be a progressive process with functioning kidney tissue being replaced detrimentally with fibrotic scar tissue, ultimately leading to kidney failure. Using the reversible unilateral ureteric obstruction model, a model of reversable injury, we describe the transcriptomic changes that occur during obstructive renal injury and subsequent repair.
2020-09-27 | GSE145053 | GEO
Project description:To find miRNAs that involve in renal epithelial transition and renal fibrosis, we performed unilateral ureteral obstruction of mice for 7 days. After that, we harvested kidneys, and performed microarray of miRNA. Contralateral kidneys without ureteral obstruction were used as controls. miRNAs were purified from kidneys with ureteral obstruction and contralateral kidneys without ureteral obstruction. Then microarray of miRNA was performed (n=4). miRNAs up-regulated in kidneys with ureteral obsctruction compared with contralateral kidneys were sorted. We performed unilateral ureteral obstruction of mice for 7 days, and harvested kidneys.
2012-12-05 | E-GEOD-42716 | biostudies-arrayexpress
Project description:Renal fibrosis (RF) is the common pathological outcome and central treatment target of multiple chronic kidney diseases. Currently, the molecular mechanisms of RF remain poorly understood. Therefore, this study aimed to established the adenine- and UUO-induced rat models, identified differentially expressed genes in their renal tissues using RNA-Seq analysis, and screened RF-related hub targets and key pathways.
2022-10-31 | GSE216376 | GEO
Project description:Chronic kidney disease (CKD) is a burden for Public Health and concerns millions of individuals worldwide. Independently of the cause, CKD is secondary to the replacement of functional renal tissue by extra-cellular matrix proteins (i.e fibrosis) that progressively impairs kidney function. The pathophysiological pathways that control the development of renal fibrosis are common to most of the nephropathies involving native kidneys or kidney grafts. Unfortunately, very few treatments are available to stop renal fibrosis and most of the therapeutic strategies are often barely able to slow down the progression of fibrogenesis in native kidneys. Therefore, it is mandatory to discover new therapeutic pathways to stop renal fibrosis. Our objective is to study new pathways involved in renal fibrosis. We thus decided to use the model of Unilateral Ureteral renal Obstruction in mice, a fast and reproducible experimental model of renal fibrosis.
2013-02-10 | GSE38117 | GEO