c("cell type: leukemia cell line", "cell line: K562", "treatment: control")
c("cell type: leukemia cell line", "cell line: K562", "treatment: CEBPA induction")
c("cell type: leukemia cell line", "cell line: K562", "treatment: P30 induction")
c("cell type: leukemia cell line", "cell line: K562", "treatment: CEBPA induction")
c("cell type: leukemia cell line", "cell line: K562", "treatment: control")
c("cell type: leukemia cell line", "cell line: K562", "treatment: P30 induction")