Effect of resveratrol and IL-1β on proliferation of AML colony-forming cells. Data from triplicate cultures of BM samples from patient 1 (Exp 1) and patient 5 (Exp 2) are depicted. Resveratrol (50 μM) and IL-1β (100 ng/mL) were added at the initiation of culture. The means ± SDs of AML colony numbers from triplicate cultures are depicted.