Figure 5From: A mathematical model separates quantitatively the cytostatic and cytotoxic effects of a HER2 tyrosine kinase inhibitorOn days 4–6, cells treated with 1 and 2 μM lapatinib respectively are stained for cleaved Caspase-3 (red), a marker of apoptosis. Blue: DAPI staining showing total nuclei.Back to article page