Fig. 4From: Overcoming doxorubicin resistance in triple-negative breast cancer using the class I-targeting HDAC inhibitor bocodepsin/OKI-179 to promote apoptosisSenescence-associated β-galactosidase staining of MDA-MB-231, Hs 578T, and CAL-120 after 6 days of drug treatment. DAPI staining portrays the nucleus. Representative images were taken at x20 magnification. Scale 50 μmBack to article page