tokens: Compared to normal lymphocytes , MOLT-4 and CEM cells exhibited an altered cell cycle regulation of thymidine kinase , a much higher intracellular activity of this enzyme , and higher thymidine kinase mRNA expression .
folded_tokens: compared to normal lymphocytes , molt-4 and cem cells exhibited an altered cell cycle regulation of thymidine kinase , a much higher intracellular activity of this enzyme , and higher thymidine kinase mrna expression .
labels: O O B-cell_type I-cell_type O O O O O O O O B-other_name I-other_name I-other_name O B-protein_family_or_group I-protein_family_or_group O O O O O O O O B-protein_family_or_group O O O B-protein_family_or_group I-protein_family_or_group O O O