CD38 and acute myeloid leukemia: The CD34+/CD38−/CD82+ and CD34+/CD38−/CD82− cells were sorted (S1A and S1B Fig), and, as expected, the level of EZH2 expression was 24-fold greater in CD34+/CD38−/CD82+AML cells compared with the CD34+/CD38−/CD82− group (n = 12; Fig 1E; P = 0.065).