Thus , deregulation of genes encoding for certain hemopoietic growth factors or receptors does not seem to represent a major mechanism of MDS progression .
thus , deregulation of genes encoding for certain hemopoietic growth factors or receptors does not seem to represent a major mechanism of mds progression .
O O O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O O O O O O O O O B-other_name O O