CD34 and myelodysplastic syndrome: In order to convey the importance to the human disease, we next compared our list of differentially expressed genes between the ABT-737 treated and untreated HR-MDS model with the significantly differentially expressed probe sets (p < 0.05, Benjamini-Hochberg multiple testing correction) between RAEB1 and healthy control bone marrow CD34+ cells from an existing MDS gene expression study [13].