CDKN1A and acute myeloid leukemia: Interestingly, p21 depletion strongly reduced the phagocytosis of Jurkat cells (Fig. 2b, c), MOLT4 cells (Fig. 2d), and primary human AML blasts (Fig. 2e), without affecting the cell cycle progression, proliferation or viability of MDMs (Supplementary Fig. 4a–e).