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Expression data from whole blood of RRMS patients initiating treatment with intramuscular IFN-β1a (Avonex®) obtained immediately prior to treatment.

ABSTRACT: Interferon beta (IFN-β) is a first line treatment for patients with relapsing forms of MS, but response to the drug varies and to date there are no biomarkers associated with individual patient response. Whole blood gene expression data from a clinical study of patients initiating treatment with intramuscular IFN-β1a (Avonex®) was comprehensively analyzed for gene signatures distinguishing between good vs. poor responders where the latter were defined by increases in number and size of observed lesions in quantitative imaging over a 6-month period. We observed signatures related to B-cell activation in subject gene expression prior to treatment while T-cell and interleukin signatures were observed in the same subjects immediately after treatment. These signatures form a basis for developing predictors of IFN-β1a response in patients both prior to and after IFN-β1 treatment.

ORGANISM(S): Homo sapiens

PROVIDER: GSE113004 | GEO | 2019/04/11

REPOSITORIES: GEO

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Expression data from whole blood of RRMS patients initiating treatment with intramuscular IFN-β1a (Avonex®) obtained exactly 12 hours after treatment.

Project description:Interferon beta (IFN-β) is a first line treatment for patients with relapsing forms of MS, but response to the drug varies and to date there are no biomarkers associated with individual patient response. Whole blood gene expression data from a clinical study of patients initiating treatment with intramuscular IFN-β1a (Avonex®) was comprehensively analyzed for gene signatures distinguishing between good vs. poor responders where the latter were defined by increases in number and size of observed lesions in quantitative imaging over a 6-month period. We observed signatures related to B-cell activation in subject gene expression prior to treatment while T-cell and interleukin signatures were observed in the same subjects immediately after treatment. These signatures form a basis for developing predictors of IFN-β1a response in patients both prior to and after IFN-β1 treatment.

2019-04-11 | GSE113006 | GEO

Expression data from whole blood of RRMS patients initiating treatment with intramuscular IFN-β1a (Avonex®) obtained immediately prior to treatment.

Project description:Expression data from whole blood of RRMS patients initiating treatment with intramuscular IFN-β1a (Avonex®) obtained immediately prior to treatment.

| PRJNA449724 | ENA

Expression data from whole blood of RRMS patients initiating treatment with intramuscular IFN-β1a (Avonex®)

Project description:Expression data from whole blood of RRMS patients initiating treatment with intramuscular IFN-β1a (Avonex®)

| PRJNA449723 | ENA

Expression data from whole blood of RRMS patients initiating treatment with intramuscular IFN-β1a (Avonex®) obtained exactly 12 hours after treatment.

Project description:Expression data from whole blood of RRMS patients initiating treatment with intramuscular IFN-β1a (Avonex®) obtained exactly 12 hours after treatment.

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Pharmacogenomics of IFNb therapy

Project description:This experiment set is used for the manuscript entitled: Pharmacogenomics of Interferon-b therapy in multiple sclerosis: Baseline IFN signature determines pharmacological differences between patients. In this study we generated and analyzed pre- and post- IFNb treatment gene expression patterns of RRMS patients with the aim of identifying pre-existing and/or drug-induced signatures that will allow us to make predictions on the expected pharmacological effects of IFNb treatment. We show that the expression level of IFN response genes prior to treatment, determines the pharmacological differences between patients with MS at the molecular level. A group of 16 Dutch patients (10 females and 6 males) with clinically definite relapsing-remitting MS was recruited from the outpatient clinic of the MS Centre Amsterdam. Mean age at start of IFNb therapy is 40.6 +/- 7.7, mean EDSS is 2.3 +/- 1.3 (range 1-6). Blood samples were obtained just before treatment and 1 month after start of the therapy. Patients received Avonex, Betaferon, Rebif 22 or Rebif 44. A compound treatment design type is where the response to administration of a compound or chemical (including biological compounds such as hormones) is assayed. Compound Based Treatment: Before and 1 month after IFNb therapy Keywords: compound_treatment_design Complex

2008-04-01 | E-GEOD-10655 | biostudies-arrayexpress

Pharmacogenomics of IFNb therapy

2008-04-01 | GSE10655 | GEO

Expression data of multiple sclerosis patients receiving intramuscular Interferon-beta-1a therapy [U133 A and B]

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

2009-12-03 | GSE19285 | GEO

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

Expression data from whole blood of RRMS patients initiating treatment with intramuscular IFN-β1a (Avonex®)

Project description:This SuperSeries is composed of the SubSeries listed below.

2019-04-11 | GSE113007 | GEO

Transcription profiling of human psoriasis patient matched lesion and normal tissue vs. normal controls - type i interferon: potential therapeutic target for psoriasis?

Project description:We observed robust overexpression of type I interferon (IFN)-inducible genes and genomic signatures that indicate T cell and dendritic cell infiltration in lesional skin. Up-regulation of mRNAs for IFN-a subtypes was observed in lesional skin compared with nonlesional skin. Enrichment of mature dendritic cells and 2 type I IFN-inducible proteins, STAT1 and ISG15, were observed in the majority of lesional skin biopsies. Concordant overexpression of IFN-c and TNF-a inducible gene signatures occurred at the same disease sites. Experiment Overall Design: A total of 82 Affymetrix HGU133 Plus arrays were run on 54 total subjects. This includes: skin biopsy samples from 21 normal healthy donors (Normal-1 to Normal-21), 56 skin biopsy samples from 28 psoriasis patients who had match lesional and uninvolved (non-lesional) tissue (NS-1/LS-1 to NS-9/LS-9, NS-11/LS-11 to NS-14/LS-14, and NS-16/LS-16 to NS-30/LS-30), and 5 samples from psoriasis patients that only provided lesional skin biopsies (LS-10, LS-15, and LS-31 to LS-33).

2009-03-01 | E-GEOD-14905 | biostudies-arrayexpress

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