Lymphoid enhancer-binding factor 1 (LEF1) is a neutrophilic granulopoiesis regulator whose absence is critical in congenital neutropenia. We have shown LEF1 downregulation in the CD34(+) cells of the majority of myelodysplastic syndromes (MDS) patients. LEF1 was the most significant differentially expressed gene between early and advanced MDS. Marked LEF1 downregulation was found in 27/32 patients with advanced MDS and in 6/35 patients with early MDS, and was associated with neutropenia. Down...Expand abstract
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Marked downregulation of the granulopoiesis regulator LEF1 is associated with disease progression in the myelodysplastic syndromes.
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