Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA116533 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:paired comparison of RNA expression in peripheral blood mononuclear cells in the same group of 14 multiple sclerosis patients while stable and while in relapse. A defining feature of multiple sclerosis is the occurrence of clinical relapses separated by periods of clinical stability. Better understanding of the events underlying clinical relapse might suggest new approaches to treatment. We used microarrays to measure mRNA expression in the peripheral blood of 14 MS patients during clinical relapse and while stable. Seventy-one transcripts changed expression at the p<0.001 significance level. The most notable finding was decreased expression of transcripts with regulatory function, expressed primarily in non-T cells. Transcripts with increased expression were primarily expressed in T cells. Pathways analysis suggested involvement of the cytokine network, coagulation and complement cascades, IL-10 signaling, and NF-?B signaling. total RNA from PBMC in relapse and while stable from 14 multiple sclerosis patients
2010-07-30 | E-GEOD-19224 | biostudies-arrayexpress
Project description:Transcription signature of Multiple Sclerosis in peripheral blood mononuclear cells.
| PRJNA123611 | ENA
Project description:This SuperSeries is composed of the following subset Series: GSE17393: Transcription signature of Multiple Sclerosis in peripheral blood mononuclear cells. GSE17409: Pregnancy changes expression in peripheral blood mononuclear cells of healthy donors GSE17410: Pregnancy changes expression in peripheral blood mononuclear cells of Multiple Sclerosis (MS) patients Refer to individual Series
2010-01-10 | E-GEOD-17449 | biostudies-arrayexpress
Project description:paired comparison of RNA expression in peripheral blood mononuclear cells in the same group of 14 multiple sclerosis patients while stable and while in relapse. A defining feature of multiple sclerosis is the occurrence of clinical relapses separated by periods of clinical stability. Better understanding of the events underlying clinical relapse might suggest new approaches to treatment. We used microarrays to measure mRNA expression in the peripheral blood of 14 MS patients during clinical relapse and while stable. Seventy-one transcripts changed expression at the p<0.001 significance level. The most notable finding was decreased expression of transcripts with regulatory function, expressed primarily in non-T cells. Transcripts with increased expression were primarily expressed in T cells. Pathways analysis suggested involvement of the cytokine network, coagulation and complement cascades, IL-10 signaling, and NF-?B signaling.
2010-06-30 | GSE19224 | GEO
Project description:The aim of this study was to identify differentially expressed genes in peripheral blood mononuclear cells from MS patients that were responders or non-responders to the neuroantigen myelin basic protein. Using microarray we measured mRNA-expression levels in freshly isolated peripheral blood mononuclear cells from 17 untreated patients with multiple sclerosis. Based on studies, measuring the responses of blood derived T-cells to myelin basic protein ex vivo, these 17 untreated MS-patients can be divided into two groups: 4 of the untreated multiple sclerosis patients had T-cells that responded to myelin basic protein ex vivo whereas 13 untreated MS patients had T-cells that did not respond to myelin basic protein ex vivo.
2014-11-28 | E-MTAB-2707 | biostudies-arrayexpress
Project description:The purpose of this study was to characterize the transcriptional effects induced by intramuscular IFN-beta-1a treatment (Avonex, 30 µg once weekly) in patients with relapsing-remitting form of multiple sclerosis (MS). By using Affymetrix DNA microarrays, we obtained genome-wide expression profiles of peripheral blood mononuclear cells from 24 MS patients within the first four weeks of IFN-beta administration. Keywords: Multiple sclerosis, Interferon, Pharmacogenomics, Affymetrix EDTA blood samples were taken from all patients immediately before first, second and fifth IFN-beta injection. Total RNA of Ficoll-isolated peripheral blood mononuclear cells from each sample was extracted, labelled and hybridized to Affymetrix Human Genome U133 A and B arrays to quantify the mRNA levels.
2010-05-19 | E-GEOD-19285 | biostudies-arrayexpress
Project description:Multiple sclerosis is a common inflammatory and degenerative disease that causes neurological disability. It affects young adults and its prevalence is higher in women. The most common form is manifested as a series of acute episodes of neurological disability (relapses) followed by a recovery phase (remission). Recently, non-coding RNAs have emerged as new players in transcriptome regulation, and in turn, they could have a significant role in MS pathogenesis. In this context, our aim was to investigate the involvement of microRNAs and snoRNAs in the relapse-remission dynamics of MS in peripheral blood leucocytes, to shed light on the molecular and regulatory mechanisms that underlie this complex process. With this approach, we found that a subset of small non-coding RNAs (sncRNA) is altered in relapse and remission, revealing unexpected opposite changes that are sex dependent. Furthermore, we found that a relapse-related miRNA signature regulated general metabolism processes in leucocytes, and miRNA altered in remission are involved in the regulation of innate immunity. We observed that sncRNA dysregulation is different in relapse and remission leading to differences in transcriptome regulation, and that this process is sex dependent. In conclusion, relapse and remission have a different molecular background in men and women. 24 multiple sclerosis patients with samples both in remission and relapse (2 samples for each patient; 48 blood samples in total) and 24 healthy controls were included in the study, for a total of 72 samples.
2015-11-03 | E-GEOD-74579 | biostudies-arrayexpress
Project description:Optic neuritis (ON) is a common manifestation of multiple sclerosis (MS); it appears as the presenting symptom in about 25% of MS patients and occurs in 30–70% of patients with MS during the course of their illness Purpose. To evaluate the molecular pathways that operate in the early phase of acute ON by studying gene expression profiles of peripheral blood mononuclear cells (PBMCs) subpopulations including CD19+ B cells, CD14+ macrophages, CD4+ and CD8+ T cells. High throughput gene expression analysis was performed on periferal mononuclear blood cells (PBMC) samples from 6 patients within 96 hours of the acute onset of the first demyelinating event of optic neuritis and 9 age matched healthy subjects using Affymetrix Inc. technology
2014-10-22 | E-GEOD-62584 | biostudies-arrayexpress
Project description:Construction of gene expression-based classifiers to predict the different Multiple Sclerosis stages from peripheral blood mononuclear cells (PBMC) transcriptome of MS patients and controls.
2020-09-01 | GSE136411 | GEO
Project description:Pregnancy changes expression in peripheral blood mononuclear cells of Multiple Sclerosis (MS) patients
| PRJNA123615 | ENA