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Gene expression profiling of NOD mice and related congenic mice

ABSTRACT: Functional liability conferred by gene expression profile can be a possible basis for diseases phenotype. By comparing gene expression profiles in splenic T cells from NOD, C57BL/6 mice and their congenic strains with altered MHCs (NOD.H2^h4 , B6.NOD/Idd1,5/), we identified that the NOD splenic T cells have a strain dependent, tissue specific unique gene expression profile that can be but not necessarily be modulated by alternation of MHC. The NOD splenic T cells gene expression profile indicated a deregulated stress response system, especially heat shock protein family. We demonstrated that NOD splenic T cells have apoptosis defect in vivo and in vitro. Therefore, the gene expression profile may confer liability upon NOD splenic T cells to make them more susceptible to apoptosis, which can be a critical factor to lead to NOD lymphopenia. As recently described, compensatory homeostatic proliferation, driven by lymphopenia, generates autoimmunity in the NOD mouse. Keywords: other

ORGANISM(S): Mus musculus

PROVIDER: GSE2524 | GEO | 2005/04/14

SECONDARY ACCESSION(S): PRJNA92065

REPOSITORIES: GEO

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Gene expression profiling of NOD mice and related congenic mice

Project description:Functional liability conferred by gene expression profile can be a possible basis for diseases phenotype. By comparing gene expression profiles in splenic T cells from NOD, C57BL/6 mice and their congenic strains with altered MHCs (NOD.H2^h4 , B6.NOD/Idd1,5/), we identified that the NOD splenic T cells have a strain dependent, tissue specific unique gene expression profile that can be but not necessarily be modulated by alternation of MHC. The NOD splenic T cells gene expression profile indicated a deregulated stress response system, especially heat shock protein family. We demonstrated that NOD splenic T cells have apoptosis defect in vivo and in vitro. Therefore, the gene expression profile may confer liability upon NOD splenic T cells to make them more susceptible to apoptosis, which can be a critical factor to lead to NOD lymphopenia. As recently described, compensatory homeostatic proliferation, driven by lymphopenia, generates autoimmunity in the NOD mouse.

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