tokens: Multiple transcription factors are required for activation of human interleukin 9 gene in T cells .
folded_tokens: multiple transcription factors are required for activation of human interleukin 9 gene in t cells .
labels: O B-protein_family_or_group I-protein_family_or_group O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-cell_type I-cell_type O