Figure 2. BRCA1 recruitment to the β–actin termination pause site is mediated by R-loops.
(A) RNA:DNA immunoprecipitation (DIP) analyses performed in HeLa from mock-treated or BRCA1-depleted cells (BRCA1 KD) (left) and mock-treated or SETX-depleted cells (SETX KD) (right).
(B) BRCA1 and SETX ChIP experiment performed in control conditions (-RNAseH1) or with RNAseH1 over-expression (+RNAseH1).
Average DIP and ChIP values ± SD from three, independent experiments are shown. p*<0.05.
(C) BRCA1 and SETX co-IP experiments performed in HeLa cells +/- RNAseH1 expression. IgG, negative control.