Unknown,Transcriptomics,Genomics,Proteomics

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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.

ORGANISM(S): Mus musculus

SUBMITTER: Zheng Liu 

PROVIDER: E-GEOD-2524 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Deregulated stress system in non-obese diabetic lymphocyte.

Liu Z Z   Aune T M TM  

Genes and immunity 20060511 5


Lymphopenia-induced homeostatic expansion in non-obese diabetic (NOD) mice may lead to autoimmunity. We demonstrated that NOD lymphocytes are more susceptible to apoptosis than those of non-diabetic C57BL/6 or NOD.H2(h4) mice in vivo and in vitro, which may be an underlying mechanism causing lymphopenia in NOD mice. Gene expression profiling identified a set of genes that are differentially expressed between NOD and B6 mice. Identity of these genes suggested that NOD T cells have a deregulated s  ...[more]

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