tokens: Our data demonstrate that those cell lines lacking capability to form metastatic tumors in vivo are susceptible to TNF induced apoptosis in vitro .
folded_tokens: our data demonstrate that those cell lines lacking capability to form metastatic tumors in vivo are susceptible to tnf induced apoptosis in vitro .
labels: O O O O O B-cell_line I-cell_line O O O O B-tissue I-tissue O O O O O B-protein_family_or_group O B-other_name O O O