Diagenode

Defective GATA-3 expression in Th2 LCR-deficient mice.


Hwang SS, Kim K, Lee GR

Th2 cell differentiation is critically influenced by transcription factor GATA-3 and by various cis-acting elements including enhancers, silencers and a locus control region (LCR) in the Th2 cytokine locus. Th2 LCR-deficient Th2 cells completely lost the expression of GATA-3 and the phosphorylation of STAT6. Histone 3 lysine 4 (H3-K4) was hypomethylated in the gata3 locus in these cells. GATA-3 and STAT6 bound several regulatory regions in the gata3 locus and transactivated the expression of the gata3 gene. These results suggest that Th2 differentiation program stimulates feed-forward regulation of gata3 gene expression.

Tags
Bioruptor
Chromatin Shearing
ChIP-qPCR

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Published
July, 2011

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