tokens: We demonstrated that CMV infection increased both IL-6 protein and mRNA in peripheral blood mononuclear cells .
folded_tokens: we demonstrated that cmv infection increased both il-6 protein and mrna in peripheral blood mononuclear cells .
labels: O O O B-virus O O O B-protein_molecule O O B-RNA_molecule O B-cell_type I-cell_type I-cell_type I-cell_type O