GADD45G and myelodysplastic syndrome: Compared the expression level of GADD45γ in human acute myeloid leukemia cells SKM‐1 and human bone marrow stromal cell line HS‐5, it was found that the expression level of GADD45γ in SKM‐1 cell line had no significant difference between bone marrow cells in MDS patients, while the expression level of GADD45γ in HS‐5 cell line was significantly higher than the former two.