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Glomerulonephritis in BXSB/MpJ-Yaa mice

ABSTRACT: Analysis of glomeruli isolated from kidneys of 4 month male BXSB/MpJ-Yaa. The BXSB/MpJ-Yaa mouse strain is a lupus-prone model. Results provide insight into the pathogenic mechanisms linked to glomerulonephritis in BXSB/MpJ-Yaa mice. The glomeruli were isolated from 6 BXSB/MpJ-Yaa (glomerulonephritis model) and BXSB/MpJ-Yaa+ (control). 6 glomerular populations of each strain were devided into 3 groups (1 group / 2 populations). 3 glomerulonephritis models versus 3 controls analysis was performed. BXSB/MpJ-Yaa is a recombinant inbred strain developed originally from a C57BL/6 female mouse and a SB/Le male mouse. Yaa (Y-linked autoimmune accelerator locus) localizing on the Y chromosome of BXSB/MpJ-Yaa male mice is the result of a duplication of an about 4 Mbp telomeric segment near the pseudoautosomal region of the X chromosome onto the Y chromosome. BXSB/MpJ-Yaa+ (control) male mice carry the wild-type Y chromosome in place of the mutant Yaa-containing Y chromosome of BXSB/MpJ-Yaa male mice.

ORGANISM(S): Mus musculus

SUBMITTER: Junpei Kimura

PROVIDER: E-GEOD-51230 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Glomerulonephritis in BXSB/MpJ-Yaa mice

Project description:Analysis of glomeruli isolated from kidneys of 4 month male BXSB/MpJ-Yaa. The BXSB/MpJ-Yaa mouse strain is a lupus-prone model. Results provide insight into the pathogenic mechanisms linked to glomerulonephritis in BXSB/MpJ-Yaa mice.

2014-01-01 | GSE51230 | GEO

Expression data from TNF-stimulated mouse glomeruli

Project description:The specific contribution of the two TNF-receptors Tnfr1 and Tnfr2 to TNF-induced inflammation in the glomerulus is unknown. In mice, TNF exposure induces glomerular expression of inflammatory mediators like adhesion molecules and chemokines in vivo, and glomerular accumulation of leukocytes. To examine Tnfr-specific inflammatory responses in intrinsic glomerular cells but not infiltrating leukocytes we performed microarray gene expression profiling on intact glomeruli isolated from wild-type and Tnfr-deficient mice following TNF exposure in vitro. Glomeruli were isolated from male C57BL/6J wild-type and Tnfr-deficient mice applying a magnetic bead-based isolation technique. Isolated intact glomeruli were stimulated with TNF for 12 hours in vitro for subsequent RNA extraction and hybridization on Affymetrix microarrays.

2013-09-11 | E-GEOD-43928 | biostudies-arrayexpress

LSAGE Library Human Renal Glomeruli

Project description:Glomeruli were isolated from the kidney of a 72 yo male patient. The kidney was surgically removed due to renal cell carcinoma. The glomeruli were isolated from uninvolved renal parenchyma. Histology (H&E) of glomeruli and interstitium was normal. Keywords: Kidney Subcompartment Glomeruli were isolated using the sieving technique in ice-cold PBS, followed by isolation of total RNA with RNeasy kit. RNA was judged intact by agarose gel electrophoresis. SAGE library was custom-synthesized by Genzyme Corportation.

2007-06-12 | E-GEOD-8114 | biostudies-arrayexpress

Mus musculus

Project description:Glomerulonephritis in BXSB/MpJ-Yaa mice

| PRJNA221777 | ENA

microRNA sequencing in kidney glomeruli from diabetic and control mice

Project description:identified cluster of microRNAs significantly increased in kidney glomeruli from diabetic mice compared to nondiabetic control mice RNAs from kidney glomeruli from control mice and STZ-injected diabetic mice were extracted.

2016-06-01 | E-GEOD-69718 | biostudies-arrayexpress

MicroRNA expression in the glomerulus of C57BL/6 mice and B6.MRLc1 glomerulonephritis mice

Project description:In isolated glomeruli by beads-perfusion methods, microRNA (miRNA) expression was analyzed in healthy C57BL/6 and B6.MRLc1 glomerulonephritis mice. The expression of 1,135 miRNAs was examined, and up-regulated or down-regulated miRNA was determined. These results provide a basical information of molecular pathology in glomerulonephritis. The glomeruli were collected from female C57BL/6 (n=3, 9-month-old, healthy control) and female B6.MRLc1 (n=3, 14-month-old, early stage of glomerulonephritis; n=3, 9-month-old, late stage of glomerulonephritis). The total RNA sample was purified, and total 1,135 microRNA expression was compared among healthy, early stage, and late stage.

2014-10-01 | E-GEOD-51209 | biostudies-arrayexpress

Gene expression analysis of rat glomerular parietal epithelial cells

Project description:Very little is known about the function of glomerular parietal epithelial cells (PECs). In this study, we performed genome-wide expression analysis on PEC-enriched capsulated vs. PEC-deprived decapsulated rat glomeruli to determine the transcriptional state of PECs under normal conditions. We identified hundreds of differentially expressed genes that mapped to distinct biologic modules including development, tight junction, ion transport, and metabolic processes. Since developmental programs were highly enriched in PECs, we characterized several of their candidate members at the protein level. Collectively, our findings confirm that PECs are multifaceted cells and help define their diverse functional repertoire. We developed a sequential sieving methodology to selectively isolate capsulated (PEC-enriched) glomeruli from un-capsulated (PEC-deprived) glomeruli in rats. Three samples were obtained for each preparation. Total RNA was isolated and its integrity confirmed via Bioanalyzer 2100. Each sample (n =6) was hybridized to an Affymetrix Rat GeneChip 1.0ST microarray.

2014-08-01 | E-GEOD-54085 | biostudies-arrayexpress

Comparison of Glomerular and Podocyte mRNA Profiles in eNOS-/- Diabetic Mice Induced by Streptozotocin

Project description:We compared mRNA profiles of isolated glomeruli versus sorted podocytes between diabetic and control mice. IRG mice crossed with eNOS-/- mice were further bred with podocin-rTTA and TetON-Cre mice to permanently label podocytes before the diabetic injury. Diabetes was induced by injection of streptozotocin. mRNA profiles of isolated glomeruli and sorted podocytes from diabetic and control mice at 10 weeks after induction of diabetes were examined. Consistent with the previous reports, expression of podocyte-specific markers in the glomeruli were down-regulated in the diabetic mice compared to controls. However, these differences disappeared when mRNA levels were corrected for podocyte number per glomerulus. Interestingly, the expression of these markers was not altered in sorted podocytes from diabetic mice, suggesting that the reduced expression of podocyte markers in isolated glomeruli is likely a secondary effect of reduced podocyte number, rather than the loss of differentiation markers. Analysis of the differentially expressed genes in diabetic mice also revealed distinct up-regulated pathways in the glomeruli (mitochondrial function and oxidative stress) and podocytes (actin organization). In conclusion, our data suggest that podocyte-specific gene expression in transcriptome obtained from the whole glomeruli may not represent those of podocytes in the diabetic kidney. We compared mRNA profiles of isolated glomeruli versus sorted podocytes between diabetic and control mice.

2016-03-16 | E-GEOD-79291 | biostudies-arrayexpress

MicroRNA expression in the glomerulus of C57BL/6 mice and B6.MRLc1 glomerulonephritis mice

2014-10-01 | GSE51209 | GEO

Apolipoprotein E is associated with dense deposits in dense deposit disease

Project description:C3 glomerulopathy (C3G) is a rare disease resulting from dysregulation of the alternative pathway (AP) of complement. C3G includes C3 glomerulonephritis (C3GN) and dense deposit disease (DDD). Both C3GN and DDD are characterized by bright glomerular C3 staining on immunofluorescence studies. However, on electron microscopy, DDD is characterized by dense osmiophilic mesangial and intramembranous deposits along the glomerular basement membranes (GBM), while the deposits of C3GN are not dense. Why the deposits appear dense in DDD and not in C3GN is not known.We performed laser microdissection of glomeruli followed by mass spectrometry in 12 known cases of DDD and C3GN each to determine the proteomic profile and differences between C3GN and DDD.

2024-10-22 | PXD045319 | Pride

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