tokens: The regulation of gene expression during lymphocyte differentiation is a complex process involving interactions between multiple positive and negative transcriptional regulatory elements .
folded_tokens: the regulation of gene expression during lymphocyte differentiation is a complex process involving interactions between multiple positive and negative transcriptional regulatory elements .
labels: O O O B-other_name I-other_name O B-cell_type O O O O O O O O O O O O O O O O