tokens: Here we demonstrate that fusion of HeLa cells with either diploid or tetraploid B cells ( Daudi ) results in widespread extinction of several other B cell-encoded genes that are expressed in a B cell-specific manner .
folded_tokens: here we demonstrate that fusion of hela cells with either diploid or tetraploid b cells ( daudi ) results in widespread extinction of several other b cell-encoded genes that are expressed in a b cell-specific manner .
labels: O O O O O O B-cell_line I-cell_line O O O O O O O O B-cell_line O O O O O O O O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O O O O O B-other_name I-other_name I-other_name O