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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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

ABSTRACT: 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.

ORGANISM(S): Mus musculus

SUBMITTER: Celine Berthier

PROVIDER: E-GEOD-27045 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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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)

2011-12-31 | GSE27045 | GEO

Effect of Sirolimus treatment on lupus nephritis in NZB/W F1 female mice

Project description:NZB/WF1 female mice spontaneously develop autoimmune lupus nephritis. Expression profiling of kidney tissue from (a) 12 week NZB/W F1 female mice defined as asymptomatic for lupus nephritis, (b) 36 and 42 week NZB/W F1 female mice defined as diseased/symptomatic for lupus nephritis and (c) 36 and 42 week NZB/W F1 female mice that are diseased/symptomatic for lupus nephritis and treated with Sirolimus was carried out. The goal of the study was to identify genes associated with lupus nephritis and modulated by Sirolimus, an inhibitor of mTOR. In addition, lupus nephritis genes resistant to Sirolimus therapy were also identfied This series of samples comprises of kidney tissue from (a) 12 week old NZB/W F1 female mice defined as asymptomatic for lupus nephritis (N=4), (b) 36 (N=3) and 42 week (N=3) old NZB/W F1 female mice defined as diseased/symptomatic for lupus nephritis and (c) 36 (N=3)and 42 (N=3) week old NZB/W F1 female mice that are asymptomatic for lupus nephritis on treatment with Sirolimus

2008-11-20 | E-GEOD-12024 | biostudies-arrayexpress

Effect of Sirolimus treatment on lupus nephritis in NZB/W F1 female mice

2008-11-21 | GSE12024 | GEO

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

2012-08-02 | GSE32583 | GEO

Spironolactone effect on renal RNA expression in 36 wk old NZB/W F1 female mice

2008-01-12 | GSE10144 | 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

Spironolactone effect on renal RNA expression in 36 wk old NZB/W F1 female mice

Project description:The purpose of this study was to examine the effect of aldosterone receptor blockade on the immunopathogenesis and progression of nephritis in the (NZBxNZW) F1 murine lupus model. Female NZB/W F1 mice (11 weeks old) were treated daily with 25 or 50 mg/kg of oral spironolactone or vehicle. Proteinuria, renal function and serum autoantibody levels were monitored. Renal histopathology, immune complex deposition, and immunohistochemistry were analyzed at various time points. Targeted microarray analysis was performed on renal tissue, with subsequent real time PCR analysis of several differentially expressed genes. At 36 weeks of age, 8 mice from each treatment group (vehicle, 25 mg/kg/d spironolactone and 50 mg/kg/d spironolactone) were anesthetized and perfused with cold saline; then one kidney per mouse was removed , homogenized in Tripure, and frozen at -80 until RNA extraction. RNA was extracted using Tripure and a Qiagen RNEasy Minikit. RNA was pooled equally by weight within each treatment group and frozen at -80. Subsequently, the three batches of pooled RNA were processed for microarray analysis.

2010-05-26 | E-GEOD-10144 | biostudies-arrayexpress

Kidney gene expression profiles from a lupus nephritis mouse model: SNF1 (SWR X NZB F1) mice treated with pristane

Project description:We characterized the longitudinal gene expression profiles of kidneys from a novel lupus model nephritis: SNF1 (SWR X NZB F1) mice treated with pristane. Genes from biological processes such as IFN response, complement, Fc gamma receptors, immune recruitment, innate immune pattern recognition, antibody response and fibrosis,were upregulated in diseased kidneys.

2016-09-06 | GSE86425 | GEO

Whole blood gene expression profiles from a lupus nephritis mouse model: SNF1 (SWR X NZB F1) mice treated with pristane

Project description:We characterized the longitudinal gene expression profiles of whole blood from a novel lupus model nephritis: SNF1 (SWR X NZB F1) mice treated with pristane. Genes from interferon, plasma cell, neutrophil, T-cell and protein synthesis signatures were differentially expressed in the pristane-SNF1 model compared to the untreated matched control animals.

2016-09-06 | GSE86424 | GEO

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