Title : Targeted transcriptional activation of silent oct4 pluripotency gene by combining designer TALEs and inhibition of epigenetic modifiers.

Pub. Date : 2012 Jul

PMID : 22387464






4 Functional Relationships(s)
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1 In contrast to their similar in vitro properties, transcriptional activation of oct4 by these distinct dTALEs varied up to 25-fold. dtales POU class 5 homeobox 1 Homo sapiens
2 While dTALEs efficiently upregulated transcription of the active oct4 promoter in embryonic stem cells (ESCs) they failed to activate the silenced oct4 promoter in ESC-derived neural stem cells (NSCs), indicating that as for endogenous transcription factors also dTALE activity is limited by repressive epigenetic mechanisms. dtales POU class 5 homeobox 1 Homo sapiens
3 Notably, demethylation of the oct4 promoter occurred only if chemical inhibitors and dTALEs were applied together but not upon treatment with inhibitors or dTALEs only. dtales POU class 5 homeobox 1 Homo sapiens
4 Notably, demethylation of the oct4 promoter occurred only if chemical inhibitors and dTALEs were applied together but not upon treatment with inhibitors or dTALEs only. dtales POU class 5 homeobox 1 Homo sapiens