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Expression data from multiple sclerosis patients in remission and relapse

ABSTRACT: Whole-genome expression of peripheral blood leukocytes was measured in 22 patients and 24 controls using the Human Gene 1.0 ST array by Affymetrix

ORGANISM(S): Homo sapiens

PROVIDER: GSE41890 | GEO | 2013/04/01

SECONDARY ACCESSION(S): PRJNA178400

REPOSITORIES: GEO

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Expression data from multiple sclerosis patients in remission and relapse

Project description:Whole-genome expression of peripheral blood leukocytes was measured in 22 patients and 24 controls using the Human Gene 1.0 ST array by Affymetrix 22 Multiple Sclerosis patients with samples both in remission and relapse (2 samples for each patient; 44 blood samples in total) and 24 healthy controls were included in the study, for a total of 68 samples.

2013-04-01 | E-GEOD-41890 | biostudies-arrayexpress

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Expression profiles of PBMC from multiple sclerosis patients

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Exon-level summary data from Affymetrix Human Exon 1.0 ST array

Project description:The Affymetrix Human Exon 1.0 ST array was used to measure differential splicing patterns in archived RNA isolated from 26 of 80 children (11 Rejectors and 15 Non-Rejectors). The exon-level probe summaries reported in this series were computed using the Affymetrix Power Tools (APT) software and 'rma-sketch' normalization method. Keywords: Affymetrix 1.0 ST exon array; exon-level analysis

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Gene-level summary data from Affymetrix Human Exon 1.0 ST array

Project description:The Affymetrix Human Exon 1.0 ST array was used to measure differential splicing patterns in archived RNA isolated from 26 of 80 children (11 Rejectors and 15 Non-Rejectors). The gene-level probe summaries reported in this series were computed using the Affymetrix Power Tools (APT) software and 'rma-sketch' normalization method. Keywords: Affymetrix 1.0 ST exon array; gene-level analysis

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Small nucleolar RNA and microRNA expression data from multiple sclerosis patients in relapse and remission.

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.

2015-11-03 | GSE74579 | GEO

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