CEBPZ and acute myeloid leukemia: AML cell lines including U937 and THP‐1, CBF‐AML cells including Kasumi‐1 with t(8;21), SKNO‐1 with t(8;21), and ME‐1 with inv(16), and primary AML cells were cultured in the absence or presence of Baicalein (0‐256 μM).