Northern ( RNA ) blots and binding assays showed that NF-IL6 is the only known C/EBP family member which is increased when U937 cells are activated .
northern ( rna ) blots and binding assays showed that nf-il6 is the only known c/ebp family member which is increased when u937 cells are activated .
B-other_name I-other_name I-other_name I-other_name I-other_name O B-other_name I-other_name O O B-protein_molecule O O O O B-protein_molecule I-protein_molecule I-protein_molecule O O O O B-cell_line I-cell_line O O O