FIGURE 6.

Characterization of proliferation and caspase‐mediated apoptosis from Days 21 to 42 of directed differentiation. Immunocytochemistry for (a) Ki67+ cells (proliferation) and (b) cleaved caspase 3 (CC3) + cells (apoptosis) was performed on APOE lines (E3, E4, E2, and KO). Both markers were normalized against the number of total nuclei. Two‐way ANOVA with Bonferroni correction. n = 5. Mean with SD shown. Adjusted p values: 0 < *** < .001 < ** < .01 < * < .05, when each cell line was compared to E3 on each day of directed differentiation.