Fig. 7. Localization of ZO-1 in apoptotic cells. MDCK cells were stained with polyclonal anti-ZO-1 antibody. (A) 0 hours; (B) 3 hours; (C) 6 hours STS; (D) 6 hours STS + Z-DEVD-FMK; (E) 6 hours STS + TAPI-2; (F) 6 hours STS + Z-DEVD-FMK + TAPI-2. STS, staurosporine. Scale bar: 20 µm.