tokens: Upon mitogenic stimulation , the binding activity of the novel NF-AT -binding factor is rapidly down-regulated in normal T cells , but persists at high levels in Ipr CD4-8- T cells .
folded_tokens: upon mitogenic stimulation , the binding activity of the novel nf-at -binding factor is rapidly down-regulated in normal t cells , but persists at high levels in ipr cd4-8- t cells .
labels: O B-other_name I-other_name O O O O O O O B-protein_family_or_group O O O O O O O B-cell_type I-cell_type O O O O O O O B-cell_line I-cell_line B-cell_type I-cell_type O