Title : Dioxin induces Ahr-dependent robust DNA demethylation of the Cyp1a1 promoter via Tdg in the mouse liver.

Pub. Date : 2016 Oct 7

PMID : 27713569






3 Functional Relationships(s)
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1 A single dose of TCDD administered to adult mice induced Ahr-dependent CpG hypomethylation, changes in histone modifications, and thymine DNA glycosylase (Tdg) recruitment at the Cyp1a1 promoter in the liver within 24 hrs. Polychlorinated Dibenzodioxins thymine DNA glycosylase Mus musculus
2 A single dose of TCDD administered to adult mice induced Ahr-dependent CpG hypomethylation, changes in histone modifications, and thymine DNA glycosylase (Tdg) recruitment at the Cyp1a1 promoter in the liver within 24 hrs. Polychlorinated Dibenzodioxins thymine DNA glycosylase Mus musculus
3 Our demethylation assay using siRNA knockdown and an in vitro methylated plasmid showed that Ahr, Tdg, and the ten-eleven translocation methyldioxygenases Tet2 and Tet3 are required for the TCDD-induced DNA demethylation. Polychlorinated Dibenzodioxins thymine DNA glycosylase Mus musculus