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Expression data from lupus NZB/W, NZM2410, NZW/BXSB mouse kidneys prenephritic and nephritic.

ABSTRACT: Nephritis (LN) is a serious manifestation of SLE. Therapeutic studies in mouse LN models do not always predict outcomes of human therapeutic trials, raising concerns about the human relevance of these models. In this study we used an unbiased transcriptional network approach to define similarities and differences between three lupus models and human LN. Affymetrix-based expression profiles were analyzed using Genomatix Bibliosphere software and transcriptional networks were compared using the Tool for Approximate LargE graph matching (TALE). The 20 network hubs (nodes) shared between all three models and human LN reflect key pathologic processes, namely immune cell infiltration/activation, macrophage/dendritic cell activation, endothelial cell activation/injury and tissue remodeling/fibrosis. Each model also shares unique features with human LN. Pathway analysis of the TALE nodes highlighted macrophage/DC activation as a cross-species shared feature. To distinguish which genes and activation pathways might derive from mononuclear phagocytes in the human kidneys the gene expression profile of isolated NZB/W renal mononuclear cells was compared with human LN kidney profiles. Network analysis of the shared signature highlighted NFkappaB1 and PPARgamma as major hubs in the tubulointerstitial and glomerular networks respectively. Key nodes in the renal macrophage inflammatory response form the basis for further mechanistic and therapeutic studies. We used microarrays to analyze the renal transcriptome of three different lupus mouse models, at early stage of lupus and during lupus nephritis.

ORGANISM(S): Mus musculus

PROVIDER: GSE32583 | GEO | 2012/08/02

SECONDARY ACCESSION(S): PRJNA154459

REPOSITORIES: GEO

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Expression data from lupus NZB/W, NZM2410, NZW/BXSB mouse kidneys prenephritic and nephritic.

Project description:Nephritis (LN) is a serious manifestation of SLE. Therapeutic studies in mouse LN models do not always predict outcomes of human therapeutic trials, raising concerns about the human relevance of these models. In this study we used an unbiased transcriptional network approach to define similarities and differences between three lupus models and human LN. Affymetrix-based expression profiles were analyzed using Genomatix Bibliosphere software and transcriptional networks were compared using the Tool for Approximate LargE graph matching (TALE). The 20 network hubs (nodes) shared between all three models and human LN reflect key pathologic processes, namely immune cell infiltration/activation, macrophage/dendritic cell activation, endothelial cell activation/injury and tissue remodeling/fibrosis. Each model also shares unique features with human LN. Pathway analysis of the TALE nodes highlighted macrophage/DC activation as a cross-species shared feature. To distinguish which genes and activation pathways might derive from mononuclear phagocytes in the human kidneys the gene expression profile of isolated NZB/W renal mononuclear cells was compared with human LN kidney profiles. Network analysis of the shared signature highlighted NFkappaB1 and PPARgamma as major hubs in the tubulointerstitial and glomerular networks respectively. Key nodes in the renal macrophage inflammatory response form the basis for further mechanistic and therapeutic studies. We used microarrays to analyze the renal transcriptome of three different lupus mouse models, at early stage of lupus and during lupus nephritis. RNA from whole kidneys was extracted and processed for hybridization on Affymetrix microarrays.

2012-08-01 | E-GEOD-32583 | biostudies-arrayexpress

Expression data from human with lupus nephritis (LN)

Project description:Nephritis (LN) is a serious manifestation of SLE. Therapeutic studies in mouse LN models do not always predict outcomes of human therapeutic trials, raising concerns about the human relevance of these models. In this study we used an unbiased transcriptional network approach to define similarities and differences between three lupus models and human LN. Affymetrix-based expression profiles were analyzed using Genomatix Bibliosphere software and transcriptional networks were compared using the Tool for Approximate LargE graph matching (TALE). The 20 network hubs (nodes) shared between all three models and human LN reflect key pathologic processes, namely immune cell infiltration/activation, macrophage/dendritic cell activation, endothelial cell activation/injury and tissue remodeling/fibrosis. Each model also shares unique features with human LN. Pathway analysis of the TALE nodes highlighted macrophage/DC activation as a cross-species shared feature. To distinguish which genes and activation pathways might derive from mononuclear phagocytes in the human kidneys the gene expression profile of isolated NZB/W renal mononuclear cells was compared with human LN kidney profiles. Network analysis of the shared signature highlighted NFkappaB1 and PPARgamma as major hubs in the tubulointerstitial and glomerular networks respectively. Key nodes in the renal macrophage inflammatory response form the basis for further mechanistic and therapeutic studies. We used microarrays to analyze the transcriptome of microdissected renal biopsies from patients with lupus nephritis (LN) RNA from glomeruli and tubulointerstitial compartments was extracted and processed for hybridization on Affymetrix microarrays.

2012-06-27 | E-GEOD-32591 | biostudies-arrayexpress

Expression data from human with lupus nephritis (LN)

Project description:Nephritis (LN) is a serious manifestation of SLE. Therapeutic studies in mouse LN models do not always predict outcomes of human therapeutic trials, raising concerns about the human relevance of these models. In this study we used an unbiased transcriptional network approach to define similarities and differences between three lupus models and human LN. Affymetrix-based expression profiles were analyzed using Genomatix Bibliosphere software and transcriptional networks were compared using the Tool for Approximate LargE graph matching (TALE). The 20 network hubs (nodes) shared between all three models and human LN reflect key pathologic processes, namely immune cell infiltration/activation, macrophage/dendritic cell activation, endothelial cell activation/injury and tissue remodeling/fibrosis. Each model also shares unique features with human LN. Pathway analysis of the TALE nodes highlighted macrophage/DC activation as a cross-species shared feature. To distinguish which genes and activation pathways might derive from mononuclear phagocytes in the human kidneys the gene expression profile of isolated NZB/W renal mononuclear cells was compared with human LN kidney profiles. Network analysis of the shared signature highlighted NFkappaB1 and PPARgamma as major hubs in the tubulointerstitial and glomerular networks respectively. Key nodes in the renal macrophage inflammatory response form the basis for further mechanistic and therapeutic studies. We used microarrays to analyze the transcriptome of microdissected renal biopsies from patients with lupus nephritis (LN)

2012-06-28 | GSE32591 | GEO

Expression data from lupus NZB/W and NZW/BXSB mouse prenephritic kidneys

Project description:We defined the shared and unique features of systemic lupus erythematosus (SLE) nephritis in 2 mouse models of proliferative renal disease. We identified shared inflammatory mechanisms of SLE nephritis that can be therapeutically targeted. Some common mechanisms are shared with non-immune-mediated renal diseases, suggesting that new strategies to prevent tissue hypoxia and remodeling may be useful in SLE nephritis.

2014-12-31 | GSE44691 | GEO

circRNA-sequencing

Project description:We aim to identify profiling of circRNAs in renal biopsies from lupus nephritis (LN) patients. In this study, seven frozen renal biopsies from patients with LN class IV were used for circRNA profiling by second generation of RNA sequencing. Three kidney tissue 5 cm far from renal tumors were used as normal control .

2020-12-16 | GSE108340 | GEO

Genome-wide peripheral blood transcriptome analysis of Arab female Lupus and Lupus nephritis

Project description:Genome-wide alternative splice analysis of RNA from lupus and its severe form lupus nephritis We aimed to explore the genome-wide peripheral blood transcriptome of lupus (SLE) and its severe form lupus nephritis (LN) cases compared to healthy subjects (HC) using high density Affymetrix Human Exon1.0.ST arrays. Analysis revealed 15 splice variants that are differentially expressed between SLE/HC and 99 variants between LN/HC (pâ¤0.05,SI>orâ¤0.5,Benjamin Hochberg-False discovery rate correction). Comparison between LN/SLE revealed 7 variants that are differentially expressed with pâ¤0.05,SI>0.5,Benjamin Hochberg-FDR correction. Pathway analysis of differentially spliced genes revealed 11 significant pathways in SLE and 12 in LN (p<0.05). Analysis of peripheral blood transcriptome revealed signature causative genes that are alternatively spliced, signifying their clinical relevance in the pathophysiology of disease. The extent of differential splicing was found to be higher in LN than in SLE, signifying the need for further in-depth research in the same domain. Present study is the first to reveal the significance of alternative variants in susceptibility to SLE and LN. We analyzed blood from 11 female subjects (5 lupus, 3 lupus nephritis and 3 healthy control) using the Affymetrix Human Exon 1.0 ST platform. Array data was processed by Alt Analyze and Genespring software. No techinical replicates were performed. One of the outiler sample (HC2) was excluded from further analysis.

2016-01-06 | E-GEOD-62764 | biostudies-arrayexpress

Kidney tertiary lymphoid structures in Lupus Nephritis develop into large interconnected networks and resembles lymph nodes in gene signature.

Project description:Immune aggregates organized as tertiary lymphoid structures (TLS) are observed within kidneys of systemic lupus erythematosus (SLE) patients with lupus nephritis (LN). We characterized renal TLS in lupus-prone (NZBxNZW) F1 mice with respect to cell composition and vessel formation. Ribonucleic acid (RNA) sequencing was performed on transcriptomes isolated from Lymph nodes (LyN), macro-dissected TLS from kidneys, and total kidneys of mice at different disease stages by using Ion Torrent Personal Genome Machine (Ion PGM) and RNAseq from Illumina. Formation of TLS was found in anti-dsDNA antibody positive mice and the structures were organized as interconnected large networks with distinct T and B cell zones with adjacent dendritic cells, macrophages, plasma cells, high endothelial venules, supporting follicular dendritic cells network, and functional germinal centers. Comparison of gene profiles of whole kidney, renal TLS and LyN revealed a similar gene signature of TLS and LyN. The upregulated genes within the kidneys of lupus-prone mice during the development of LN reflected the TLS formation, while the downregulated genes were involved in metabolic processes of the kidney cells. A comparison with human LN gene expression revealed similar upregulated genes as observed during the development of murine LN and TLS. We conclude that kidney TLS have a similar cell composition, structure and gene signature as LyN, and therefore may function as a kidney specific type of LyN.

2020-07-30 | GSE155405 | GEO

Investigate the effect of MSCs treatment on the glomeruli of mice with lupus nephritis by RNA sequencing

Project description:Human umbilical cord mesenchymal stem cells (hUC-MSCs) have shown potential as a therapeutic option for lupus nephritis (LN), particularly in patients refractory to conventional treatments. Despite extensive translational research on MSCs, the precise mechanisms by which MSCs migrate to the kidney and restore renal function remain incompletely understood. Here, we aim to clarify the spatiotemporal characteristics of hUC-MSC migration into LN kidneys and their interactions with host cells in microenvironment. This study provides valuable insights into the significant involvement of CXCL10-CXCR3 axis in hUC-MSC migration to the LN kidneys and the subsequent remodeling of renal immune microenvironment.

2024-11-27 | GSE279823 | GEO

Human and mouse lupus nephritis cross-species transcriptional analysis

Project description:This SuperSeries is composed of the following subset Series: GSE32583: Expression data from lupus NZB/W, NZM2410, NZW/BXSB mouse kidneys prenephritic and nephritic. GSE32591: Expression data from human with lupus nephritis (LN) Refer to individual Series

2012-08-01 | E-GEOD-32592 | biostudies-arrayexpress

Expression data from macrophages isolated from lupus NZB/W mouse kidneys prenephritic, nephritic or after complete remission.

Project description:Renal infiltration with mononuclear cells is associated with poor prognosis in SLE. A renal macrophage/dendritic cell signature is associated with onset of nephritis in NZB/W mice and immune modulating therapies can reverse this signature and the associated renal damage despite ongoing immune complex deposition. Our findings suggest that mononuclear phagocytes with an aberrant activation profile contribute to tissue damage in lupus nephritis by mediating both local inflammation and excessive tissue remodeling. We used microarrays to analyze the gene expression of renal isolated macrophages at early stage of lupus (young) during lupus nephritis (sick) and after induction of remission (Rem) NZB/W F4/80hi mouse cells were isolated using flow cytometry; RNA from cells (young, sick and after complete remission) was extracted and processed for hybridization on Affymetrix microarrays.

2011-12-31 | E-GEOD-27045 | biostudies-arrayexpress

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