Figure 4. VE-821 reactivates replication foci activity and firing in cells treated with the Top1 inhibitors, CPT andLMP-400.
(A) Experimental protocol. (B to G) Confocal images of representative cell nuclei immediately after the IdU pulse (see panel A). (B) Untreated cells, (C) CPT alone, (D) LMP-400 alone, (E) VE-821 alone, (F) co-treatment with VE-821 and CPT, and (G) co-treatment with VE-821 and LMP-400.