GEO DataSets

(Submitter supplied) Objective. Microarray analysis was used to determine whether children with recent onset polyarticular juvenile idiopathic arthritis (JIA) exhibit biologically or clinically informative gene expression signatures in peripheral blood mononuclear cells (PBMC). Methods. Peripheral blood samples were obtained from 59 healthy children and 61 children with polyarticular JIA prior to treatment with second-line medications, such as methotrexate or biological agents. more...

Organism:

Homo sapiens

Type:

Expression profiling by array

Platform:

GPL570

120 Samples

Download data: CEL

(Submitter supplied) Objective: A multi-center study of recent onset juvenile idiopathic arthritis (JIA) subjects prior to treatment with DMARDS or biologics was undertaken to identify peripheral blood gene expression differences between JIA subclasses and controls. Methods: PBMC from 59 healthy children and 136 JIA subjects (28 enthesitis-related arthritis[ERA], 42 persistent oligoarthritis, 45 RF- polyarthritis, and 21 systemic) were isolated on Ficoll. more...

Organism:

Homo sapiens

Type:

Expression profiling by array

Platform:

GPL570

195 Samples

Download data: CEL

(Submitter supplied) Identify biomarkers to predict response to therapy in polyarticular juvenile idiopathic arthritis (JIA) using gene expression microarrays.

Organism:

Homo sapiens

Type:

Expression profiling by array

Platform:

GPL570

42 Samples

Download data: CEL

(Submitter supplied) Objective. To identify gene expression differences in peripheral blood from patients with early and late onset juvenile idiopathic arthritis (JIA). Methods. Peripheral blood mononuclear cells (PBMC) were isolated from 56 healthy controls and 104 patients with recent onset JIA (39 persistent oligoarticular, 45 RF-polyarticular, and 20 systemic). Poly(A) RNA was amplified and labeled using NuGEN Ovation, and gene expression assessed with Affymetrix HG-U133 Plus 2.0 GeneChips®. more...

Organism:

Homo sapiens

Type:

Expression profiling by array

Platform:

GPL570

160 Samples

Download data: CEL

(Submitter supplied) To determine whether gene expression profiles from peripheral whole blood could be used to determine therapeutic outcome in a cohort of children with newly diagnosed polyarticular JIA.

Organism:

Homo sapiens

Type:

Expression profiling by array

Platforms:

GPL10558 GPL6884

112 Samples

Download data: TXT

(Submitter supplied) The mechanisms that determine the efficacy or inefficacy of methotrexate in juvenile idiopathic arthritis (JIA) are ill-defined. The objective of this study was to identify a gene expression transcriptional signature associated with poor response to MTX in patients with JIA. RNA sequencing was used to measure gene expression in peripheral blood mononuclear cells (PBMC) collected from 47 patients with JIA prior to MTX treatment and 14 age-matched controls. more...

Organism:

Homo sapiens

Type:

Expression profiling by high throughput sequencing

Platform:

GPL16791

61 Samples

Download data: TXT

(Submitter supplied) We report whole blood gene expression of 12 healthy controls and 190 patients with either oligoarticular (n=43), polyarticular (n=46), or systemic JIA (n=26), or Crohn's disease (n=60) and ulcerative colitis (n=15). The subtypes of JIA are characterized by a gradient of differential gene expression ranging from controls to oligoJIA, polyJIA, sJIA, and IBD.

Organism:

Homo sapiens

Type:

Expression profiling by high throughput sequencing

Platform:

GPL11154

202 Samples

Download data: TXT

(Submitter supplied) Systemic Juvenile Idiopathic Arthritis (sJIA) has been strongly associated with macrophage activation syndrome (MAS). To better understand the pathogenesid of sJIA and to facilitate the search for MAS biomarkers, we examine gene expression profiles in untreated new onset sJIA. 17 new onset sJIA patients were included in the study. 5 of the 17 patients showed evidence of subclinical MAS and 2 eventually developed overt MAS. more...

Organism:

Homo sapiens

Type:

Expression profiling by array

Platform:

GPL570

47 Samples

Download data: CEL

(Submitter supplied) Gene expression on peripheral blood mononuclear cells (PBMC) from SPARKS CHARMS juvenile idiopathic arthritis (JIA) cohort pre and post methotrexate therapy. This is the first study to our knowledge, to evaluate gene expression profiles in children with JIA before and after MTX, and to analyze genetic variation in differentially expressed genes. We have identified a gene, which may contribute to genetic variability in MTX response in JIA.

Organism:

Homo sapiens

Type:

Expression profiling by array

Dataset:

GDS4272

Platform:

GPL570

22 Samples

Download data: CEL

Analysis of PBMC from 11 patients with juvenile idiopathic arthritis (JIA) following 6 months of methotrexate (MTX) therapy. Individual response to MTX is variable. Results provide insight into the molecular mechanisms underlying response to MTX in JIA.

Organism:

Homo sapiens

Type:

Expression profiling by array, transformed count, 2 agent, 2 disease state, 11 individual sets

Platform:

GPL570

Series:

GSE23687

22 Samples

Download data: CEL

(Submitter supplied) sJIA patients were recruited through the Stanford Pediatric Rheumatology Clinic. All sJIA study subjects met amended ILAR criteria for the diagnosis of SJIA. The study was approved by the Stanford Institutional Review Board.

Organism:

Homo sapiens

Type:

Expression profiling by array

Platform:

GPL15458

32 Samples

Download data

(Submitter supplied) Children with oligoarticular JIA (arthritis in 4 or fewer joints) can either continue to have this mild form of arthritis (persistent oligoarticular JIA) or extend to a more sever form involving more than 4 joints (extended oligoarticular JIA) Synovial fluid mononuclear cell RNA was prepared from 21 recently diagnosed pre-treatment patients and grouped according to whether the patient had extended or persisted at one year after diagnosis

Organism:

Homo sapiens

Type:

Expression profiling by array

Platform:

GPL570

21 Samples

Download data: CEL

(Submitter supplied) Association of juvenile spondyloarthritis (jSpA) with the HLA-B27 genotype is well established, but there is little knowledge of other genetic factors with a role in disease development. The aim of the present study was to identify and confirm gene signatures and novel biomarkers in various cohorts of untreated and treated patients diagnosed with jSpA and other forms of juvenile idiopathic arthritis (JIA). more...

Organism:

Homo sapiens

Type:

Expression profiling by array

Platform:

GPL570

15 Samples

Download data: CEL

(Submitter supplied) Objective. Previous observations suggest that active systemic juvenile idiopathic arthritis (sJIA) is associated with a prominent erythropoiesis gene expression signature. The aim of this study was to determine the association of this signature with peripheral blood mononuclear cell (PBMC) subpopulations and its specificity for sJIA as compared to related conditions. 125 patients with JIA (18 sJIA and 107 non-sJIA) and 29 controls were studied. more...

Organism:

Homo sapiens

Type:

Expression profiling by array

Dataset:

GDS4267

Platform:

GPL570

154 Samples

Download data: CEL

Analysis of PBMCs from patients with systemic juvenile idiopathic arthritis (sJIA) or non-sJIA. sJIA patients have significantly increased expansion of immature PBMC subpopulations, including CD34+ cells. Results provide insight into molecular mechanisms underlying sJIA pathogenesis.

Organism:

Homo sapiens

Type:

Expression profiling by array, transformed count, 3 disease state, 8 other sets

Platform:

GPL570

Series:

GSE21521

154 Samples

Download data: CEL

(Submitter supplied) To compare expression profile of JIA in active disease (JADAS>1) PBMCs vs HD PBMCs

Organism:

Homo sapiens

Type:

Expression profiling by array

Platform:

GPL18649

14 Samples

Download data: RCC

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.

Organism:

Homo sapiens

Type:

Genome binding/occupancy profiling by high throughput sequencing; Expression profiling by high throughput sequencing

Platform:

GPL16791

70 Samples

Download data: GAPPEDPEAK, NARROWPEAK, TXT

(Submitter supplied) We used a multi-omics approach in an attempt to identify mechanisms driving the transcriptional abnormalities in peripheral blood CD4+ T cells of children with active JIA. We demonstrate that active JIA is associated with distinct alterations in CD4+ T cell chromatin, as assessed by ATAC-seq studies. However, 3D chromatin architecture, assessed by HiChIP and simultaneous mapping of CTCF anchors of chromatin loops, reveals that normal 3D chromatin architecture is largely preserved in JIA CD4+ T cells. more...

Organism:

Homo sapiens

Type:

Genome binding/occupancy profiling by high throughput sequencing

Platform:

GPL16791

16 Samples

Download data: BED, GAPPEDPEAK, TXT

(Submitter supplied) We used a multi-omics approach in an attempt to identify mechanisms driving the transcriptional abnormalities in peripheral blood CD4+ T cells of children with active JIA. We demonstrate that active JIA is associated with distinct alterations in CD4+ T cell chromatin, as assessed by ATAC-seq studies. However, 3D chromatin architecture, assessed by HiChIP and simultaneous mapping of CTCF anchors of chromatin loops, reveals that normal 3D chromatin architecture is largely preserved in JIA CD4+ T cells. more...

Organism:

Homo sapiens

Type:

Expression profiling by high throughput sequencing

Platform:

GPL16791

32 Samples

Download data: TXT

(Submitter supplied) We used a multi-omics approach in an attempt to identify mechanisms driving the transcriptional abnormalities in peripheral blood CD4+ T cells of children with active JIA. We demonstrate that active JIA is associated with distinct alterations in CD4+ T cell chromatin, as assessed by ATAC-seq studies. However, 3D chromatin architecture, assessed by HiChIP and simultaneous mapping of CTCF anchors of chromatin loops, reveals that normal 3D chromatin architecture is largely preserved in JIA CD4+ T cells. more...

Organism:

Homo sapiens

Type:

Genome binding/occupancy profiling by high throughput sequencing

Platform:

GPL16791

22 Samples

Download data: NARROWPEAK