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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Transcription signature of Multiple Sclerosis

ABSTRACT: 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

ORGANISM(S): Homo sapiens

SUBMITTER: Raffaele Calogero

PROVIDER: E-GEOD-17449 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Learning from nature: pregnancy changes the expression of inflammation-related genes in patients with multiple sclerosis.

Gilli Francesca F Lindberg Raija L P RL Valentino Paola P Marnetto Fabiana F Malucchi Simona S Sala Arianna A Capobianco Marco M di Sapio Alessia A Sperli Francesca F Kappos Ludwig L Calogero Raffaele A RA Bertolotto Antonio A

PloS one 20100129 1

<h4>Background</h4>Pregnancy is associated with reduced activity of multiple sclerosis (MS). However, the biological mechanisms underlying this pregnancy-related decrease in disease activity are poorly understood.<h4>Methodology</h4>We conducted a genome-wide transcription analysis in peripheral blood mononuclear cells (PBMCs) from 12 women (7 MS patients and 5 healthy controls) followed during their pregnancy. Samples were obtained before, during (i.e. at the third, sixth, and ninth month of ge ...[more]

PMID: 20126412

Similar Datasets

Transcription signature of Multiple Sclerosis in peripheral blood mononuclear cells.

Project description:Background: pregnancy is associated with reduced activity of multiple sclerosis (MS). However, the biological mechanisms underlying this pregnancy-related decrease in disease activity are poorly understood. This data series contains the subset of data used to generate a MS signature comparing female healthy specimens with respect to MS patients Subjects were followed in the outpatients clinic and blood was collected before pregnancy and at the following time points during pregnancy: first trimester (gestational age at sampling 12 weeks), second trimester (24 weeks), and third trimester (36 weeks). Before-pregnancy samples were obtained in a treatment-free period and after anticonceptional drug withdrawal. Peripheral blood mononuclear cells (PBMCs) obtained from 15 women (8 MS patients and 7 healthy controls) were analyzed by oligonucleotide microarray technology.

2010-01-10 | E-GEOD-17393 | biostudies-arrayexpress

Pregnancy changes expression in peripheral blood mononuclear cells of healthy donors

Project description:Background: pregnancy is associated with reduced activity of multiple sclerosis (MS). However, the biological mechanisms underlying this pregnancy-related decrease in disease activity are poorly understood. This data series contains the subset of data used to generate a healthy donors signature comparing female healthy specimens before pregnancy with respect to female healthy specimens at ninth month pregnancy. Subjects were followed in the outpatients clinic and blood was collected before pregnancy and at the following time points during pregnancy: first trimester (gestational age at sampling 12 weeks), second trimester (24 weeks), and third trimester (36 weeks). Before-pregnancy samples were obtained in a treatment-free period and after anticonceptional drug withdrawal. Peripheral blood mononuclear cells (PBMCs) obtained from 11 women (7 healthy donors before pregnancy and 4 healthy donors at 9th month pregnancy) were analyzed by oligonucleotide microarray technology.

2010-01-09 | E-GEOD-17409 | biostudies-arrayexpress

Pregnancy changes expression in peripheral blood mononuclear cells of Multiple Sclerosis (MS) patients

Project description:Background: pregnancy is associated with reduced activity of multiple sclerosis (MS). However, the biological mechanisms underlying this pregnancy-related decrease in disease activity are poorly understood. This data series contains the subset of data used to generate a MS signature comparing female MS specimens before pregnancy with respect to female MS specimens at ninth month pregnancy. Subjects were followed in the outpatients clinic and blood was collected before pregnancy and at the following time points during pregnancy: first trimester (gestational age at sampling 12 weeks), second trimester (24 weeks), and third trimester (36 weeks). Before-pregnancy samples were obtained in a treatment-free period and after anticonceptional drug withdrawal. Peripheral blood mononuclear cells (PBMCs) obtained from 17 women (8 MS patients before pregnancy and 9 MS patients at 9th month pregnancy) were analyzed by oligonucleotide microarray technology.

2010-01-10 | E-GEOD-17410 | biostudies-arrayexpress

Expression data of multiple sclerosis patients receiving Interferon-beta therapy

Project description:The purpose of this study was to characterize the transcriptional effects induced by subcutaneous IFN-beta-1b treatment (Betaferon, 250 µg every other day) 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 25 MS patients within the first two years of IFN-beta administration. EDTA blood samples were drawn from all patients immediately before first, second, month 1, 12, and 24 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.

2010-09-29 | E-GEOD-24427 | biostudies-arrayexpress

Expression data of multiple sclerosis patients receiving Interferon-beta therapy

Project description:The purpose of this study was to characterize the transcriptional effects induced by intramuscular IFN-beta-1a treatment (Avonex, 30 Âµg 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

Gene expression changes in multiple sclerosis relapse suggest activation of T and non-T cells

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

Gene-expression in peripheral blood mononuclear cells from untreated MS patients

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

Expression data from peripheral blood mononuclear cells in multiple sclerosis patients and controls

Project description:Multiple sclerosis (MS) is a neurodegenerative disease with a presumed autoimmune component. Expression profiling in immune cells can therefore be used in order to identify genes and pathways involved in MS pathogenesis. We conducted a genome-wide expression study in peripheral blood mononuclear cells (PBMC) from 12 MS patients and 15 controls in order to identify differentially expressed genes and pathways in MS. PBMCs were isolated from whole blood and total RNA was extracted.

2011-07-01 | E-GEOD-21942 | biostudies-arrayexpress

Expression data of multiple sclerosis patients receiving subcutaneous Interferon-beta-1a therapy [U133 Plus 2.0]

Project description:The purpose of this study was to characterize the transcriptional effects induced by subcutaneous IFN-beta-1a treatment (Rebif, 22 µg or 44 µg three times a week) 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 12 MS patients within the first two years of IFN-beta administration. EDTA blood samples were taken from all patients immediately before first and second IFN-beta injection as well as after 1 month, 1 year and 2 years. Total RNA of Ficoll-isolated peripheral blood mononuclear cells from each sample was extracted, labeled and hybridized to Affymetrix Human Genome U133 Plus 2.0 arrays to quantify the mRNA levels. This GEO entry provides the U133 Plus 2.0 microarray data.

2011-12-06 | E-GEOD-33464 | biostudies-arrayexpress

Expression profiles of PBMC from multiple sclerosis patients

Project description:Affymetrix GeneChip Human Gene 1.0 ST Array was applied to compare the expression profiles in peripheral blood mononuclear cells(PBMC) between healthy controls and multiple sclerosis patients(MS pt). It suggested that certain genes involved in apoptosis pathway have been changed regulated in PBMC from MS pt. Applying Affymetrix GeneChip Human Gene 1.0 ST Array and the mixed effects model for gene set analysis, we compared gene expression profiles between 8 multiple sclerosis (MS) patients and 4 healthy controls (HC).

2011-03-01 | E-GEOD-23832 | biostudies-arrayexpress

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