tokens: Furthermore , B cells transfected with a chimeric CD8alpha/IL-4Ralpha receptor , which is expressed on the cell surface as a homodimer , constitutively expressed Cepsilon germline transcripts .
folded_tokens: furthermore , b cells transfected with a chimeric cd8alpha/il-4ralpha receptor , which is expressed on the cell surface as a homodimer , constitutively expressed cepsilon germline transcripts .
labels: O O B-cell_type I-cell_type O O O B-protein_molecule I-protein_molecule I-protein_molecule O O O O O O O O O O B-protein_complex O O O B-RNA_family_or_group I-RNA_family_or_group I-RNA_family_or_group O