Unknown,Transcriptomics,Genomics,Proteomics

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Transcription profiling of mouse CD4+ T cells gene-transduced with AML1, wild type Foxp3, and a Foxp3 mutant defective in binding to AML1


ABSTRACT: To clarify how Foxp3 regulates its target genes, we performed co-immunoprecipitation experiments and found that Foxp3 physically bound to AML1/Runx1 (Ono, M. et al, Nature, 2007). In this series of study, we compared gene regulations by AML1, wild type Foxp3, and a Foxp3 mutant with defective binding to AML1. Experiment Overall Design: CD4+ naive T cells were activated and retrovirally gene-transduced with either empty vector (pMCsIg), or AML1-, wild type Foxp3-, or an AML1-non binding mutant Foxp3-encoding vectors. Sixty hours after transfection, 5 x 10^6 GFP-expressing cells were sorted and total RNA was extracted. One cycle target labelling protocol was used for labelling RNA with biotin.

ORGANISM(S): Mus musculus

SUBMITTER: Masahiro Ono 

PROVIDER: E-GEOD-6939 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Naturally arising CD25+CD4+ regulatory T cells (T(R) cells) are engaged in the maintenance of immunological self-tolerance and immune homeostasis by suppressing aberrant or excessive immune responses, such as autoimmune disease and allergy. T(R) cells specifically express the transcription factor Foxp3, a key regulator of T(R)-cell development and function. Ectopic expression of Foxp3 in conventional T cells is indeed sufficient to confer suppressive activity, repress the production of cytokines  ...[more]

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