tokens: The tumour suppressor p53 has been shown to regulate this type of apoptosis in thymocytes , but an as yet unknown , p53 -independent pathway ( s ) appears to mediate the same event in mitogen-activated mature T lymphocytes .
folded_tokens: the tumour suppressor p53 has been shown to regulate this type of apoptosis in thymocytes , but an as yet unknown , p53 -independent pathway ( s ) appears to mediate the same event in mitogen-activated mature t lymphocytes .
labels: O B-protein_molecule I-protein_molecule I-protein_molecule O O O O O O O O B-other_name O B-cell_type O O O O O O O B-protein_molecule O O O O O O O O O O O O B-cell_line I-cell_line I-cell_line I-cell_line O