Transcriptomics

Dataset Information

33

Gene expression patterns in IgG4-RD before and after steroid treatment and healthy control groups


ABSTRACT: Transcriptome analysis in patients with IgG4-RD and healthy controls IgG4-related disease (IgG4-RD) is a new emerging disease entity characterized by elevated serum IgG4 concentrations and tissue tumefaction or infiltration by IgG4-positive plasma cells. At present, however, it is not clear whether IgG4-RD is caused by abnormalities in acquired immunity, like autoimmune diseases, or whether the excess production of IgG4 is a true cause of IgG4-RD or an epiphenomenon associated with inflammatory and/or allergic reactions. We therefore attempted to identify genes related to the pathogenesis or clinicopathology of IgG4-RD. Peripheral blood mononuclear cells (PBMCs) were obtained from patients with IgG4-RD before and after steroid therapy and from healthy controls. Total RNA was extracted and DNA microarray analysis was performed to screen for genes showing changes in expression. To exclude any gender-related differences in gene expression, DNA microarray analysis was performed only on samples obtained from male patients and controls. Total RNA was reverse transcribed to cDNA using Ambion® WT Expression kits (Applied Biosystems, Foster City, CA), labeled with GeneChip® WT Terminal Labeling and Controls kits (Affymetrix, Santa Clara, CA), and hybridized to GeneChip® Human Gene 1.0 ST Arrays (Affymetrix), which include 28869 probes. Digitalized image data were processed using GeneChip® Operating Software (Affymetrix).

ORGANISM(S): Homo sapiens  

SUBMITTER: Akio Nakajima  Hisanori Umehara   Yasuhito Ishigaki    

PROVIDER: E-GEOD-66465 | ArrayExpress| 2015-03-07

SECONDARY ACCESSION(S): GSE66465PRJNA277019

REPOSITORIES: GEO, ArrayExpress

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