Figure 2. Uhrf1 chromatin association is impaired in mESCs overexpressing PRMT6.
(A) Western blots showing the levels of DNA methylation enzymes and regulators. Note that mESCs express two major Dnmt3a isoforms (Dnmt3a and Dnmt3a2) and that the Dnmt3a antibody cross-reacts with Dnmt3b.
(B) Nuclear fractionation assay showing Uhrf1 chromatin association. PCNA and HP1α were used as controls for soluble and chromatin-associated proteins, respectively.
(C) Quantification of data in (B) by densitometry using Image J. Shown are percentages of soluble and chromatin-associated Uhrf1 in each sample (mean + SD from three independent experiments).
(D and E) ChIP assays showing relative enrichment of H3R2me2a (D) and Uhrf1 (E) at MSR and IAP regions (mean + SD from three independent experiments).