Didych, Dmitry A DNA fragments binding CTCF in vitro and in vivo are capable of blocking enhancer activity. [electronic resource] - BMC research notes Apr 2012 - 178 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1756-0500 Standard No.: 10.1186/1756-0500-5-178 doi Subjects--Topical Terms: AnimalsCCCTC-Binding FactorCHO CellsCell Survival--drug effectsCricetinaeCricetulusCytomegalovirus--geneticsDNA--geneticsDNA-Binding Proteins--geneticsEnhancer Elements, Genetic--geneticsGanciclovir--pharmacologyGene Expression RegulationHumansNeomycin--pharmacologyPolymerase Chain ReactionPromoter Regions, Genetic--geneticsProtein BindingRepressor Proteins--geneticsSimplexvirus--enzymologyThymidine Kinase--geneticsTransfection--methods