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

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

PROVIDER: PRJNA649586 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12347100.fastq.gz	Fastqsanger.gz
	SRR12347101.fastq.gz	Fastqsanger.gz
	SRR12347102.fastq.gz	Fastqsanger.gz
	SRR12347103.fastq.gz	Fastqsanger.gz
	SRR12347104.fastq.gz	Fastqsanger.gz

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Similar Datasets

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

Immune Checkpoint Associated Acute Interstitial Nephritis

Project description:Tertiary lymphoid structure signatures are associated with immune checkpoint inhibitor related acute interstitial nephritis

| EGAD00010002406 | EGA

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

NCAM1: A Novel Autoantigen in Membranous Lupus Nephritis

Project description:Membranous lupus nephritis is a frequent cause of nephrotic syndrome in patients with systemic lupus erythematosus. Unlike phospholipase A2 receptor or thrombospondin type 1 domain containing 7A-associated membranous nephropathy, where known antibodies can be detected within sera by indirect immunofluorescence and/or enzyme-linked immunosorbent assay, it is not possible to monitor disease activity in membranous lupus nephritis where the target autoantigens are mostly unknown. Determination of the target autoantigen has diagnostic significance, informs prognosis, and allows for non-invasive monitoring of disease activity in serum. We utilized mass spectrometry for antigen discovery of laser capture microdissected glomeruli from formalin-fixed paraffin embedded tissue and tissue IgG immunoprecipitation studies from frozen kidney biopsy tissue. We identified neural cell adhesion molecule 1 (NCAM1) to be a target antigen in membranous lupus nephritis and within rare cases of primary membranous nephropathy. The prevalence of NCAM1-associated membranous neuropathy was 5.7% of cases of membranous lupus nephritis. NCAM1 co-localizes with IgG within glomerular immune deposits. Additionally, serum from NCAM1 patients showed reactivity to NCAM1 recombinant protein. The presence of anti-NCAM1 antibodies in sera could allow for non-invasive monitoring of the disease. We propose that NCAM1 is a target autoantigen in a subset of patients with membranous lupus nephritis. Future studies are needed to determine whether anti-NCAM1 antibody levels correlate with disease activity or response to therapy.

2020-10-19 | PXD021123 | Pride

Tertiary lymphoid structure signatures are associated with immune checkpoint inhibitor related acute interstitial nephritis

Project description:Tertiary lymphoid structures (TLSs) are associated with anti-tumor response following immune checkpoint inhibitor (ICI) therapy, but a commensurate observation of TLS is absent for immune related adverse events (irAEs) i.e. acute interstitial nephritis (AIN). We hypothesized that TLS-associated inflammatory gene signatures are present in AIN and performed NanoString-based gene expression and multiplex 12-chemokine profiling on paired kidney tissue, urine and plasma specimens of 36 participants who developed acute kidney injury (AKI) on ICI therapy: AIN (18), acute tubular necrosis (9), or HTN nephrosclerosis (9). Increased T and B cell scores, a Th1-CD8+ T cell axis accompanied by interferon-Ã¯ÂÂ§ and TNF superfamily signatures were detected in the ICI-AIN group. TLS signatures were significantly increased in AIN cases and supported by histopathological identification

| EGAS00001006781 | EGA

Identification of unique microRNA signature associated with lupus nephritis

Project description:MicroRNAs (miRNA) have emerged as an important new class of modulators of gene expression. In this sudy we investigated miRNA that are differentially expressed in lupus nephritis. Microarray technology was used to investigate differentially expressed miRNA in PBMCs and EBV-transformed cell lines obtained from lupus nephritis patients and controls. TaqMan-based stem-loop real-time PCR was used for validation. Microarray analysis of miRNA expressed in African Americans (AA) derived lupus nephritis samples revealed 29 differentially expressed miRNA, of 850 tested. Microarray analysis of miRNA expressed in European American (EA) derived lupus nephritis samples revealed 50 differentially expressed miRNA, of 850 tested.

2011-12-30 | GSE21384 | GEO

RNA tertiary structure and conformational dynamics revealed by BASH MaP

Project description:The functional effects of an RNA can arise from complex three-dimensional folds known as tertiary structures. However, predicting the tertiary structure of an RNA and whether an RNA adopts distinct tertiary conformations remains challenging. To address this, we developed BASH MaP, a single-molecule dimethyl sulfate (DMS) footprinting method and DAGGER, a computational pipeline, to identify alternative tertiary structures adopted by different molecules of RNA. BASH MaP utilizes potassium borohydride to reveal the chemical accessibility of the N7 position of guanosine, a key mediator of tertiary structures. We used BASH MaP to identify diverse conformational states and dynamics of RNA G-quadruplexes, an important RNA tertiary motif, in vitro and in cells. BASH MaP and DAGGER analysis of the fluorogenic aptamer Spinach reveals that it adopts alternative tertiary conformations which determine its fluorescence states. BASH MaP thus provides an approach for structural analysis of RNA by revealing previously undetectable tertiary structures.

2024-10-14 | GSE271825 | GEO

PGE2 promotes recovery from established Nephrotoxic Serum Nephritis in mice.

Project description:We induced acute nephritis by single injection of sheep nephrotoxic serum in mice and then treated the mice with prostaglandin E2. We used microarrays to examine the global gene expressions during recovery from nephrotoxic nephritis by prostaglandin E2.

2012-04-23 | GSE37402 | GEO

Microarray of whole human kidneys from lupus nephritis patients

Project description:GeneSet variation analysis was performed on microarrays to study the transcriptome of microdissected renal biopsies from lupus nephritis patients.

2023-01-01 | E-MTAB-12257 | biostudies-arrayexpress

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