c("cell type: leukemic cell line", "cell line: U937CM", "treatment: 3 days Tet free medium")
c("cell type: leukemic cell line", "cell line: U937CM", "treatment: Tet (1 mM) containing medium")
c("cell type: leukemic cell line", "cell line: ME-1", "treatment: 3 days Dox (1 mM)")
c("cell type: leukemic cell line", "cell line: ME-1", "treatment: 3 days Dox (1 mM)")
c("cell type: leukemic cell line", "cell line: ME-1", "treatment: none")