However , a role for NF-kappaB in human CD34 ( + ) bone marrow cells has not been described .
however , a role for nf-kappab in human cd34 ( + ) bone marrow cells has not been described .
O O O O O B-protein_complex O B-cell_type I-cell_type I-cell_type I-cell_type I-cell_type I-cell_type I-cell_type I-cell_type O O O O O