Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Transcription profiling of mosue Gfi1+/+ and Gfi1-/- splenic B cells


ABSTRACT: The zinc finger transcription factor growth-factor-independent-1 (Gfi1) has been involved in various cellular differentiation processes. Gfi1 acts as a transcriptional repressor and splicing control factor upon binding to cognate binding sites in regulatory elements of its target genes. Here, we report that Gfi1-deficient mice develop autoimmunity. Gfi1-deficient peripheral B-cells show a hyperproliferative phenotype, leading to expansion of plasma cells, increased levels of nuclear autoantibodies, and immunoglobulin deposition in brain and kidneys. Dysregulation of multiple transcription factors and cell-cycle control elements may contribute to B-cell dependent autoimmunity. Gfi1 thus emerges as a novel master-regulator restricting autoimmunity. Experiment Overall Design: Splenic B220+CD19+ CD138- B cells of 4 week old Gfi1+/+ and Gfi1-/- mice were isolated and RNA was extracted from one sample per group and microarray analysis was performed.

ORGANISM(S): Mus musculus

SUBMITTER: Robert Geffers 

PROVIDER: E-GEOD-12545 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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