tokens: A semiquantitative reverse transcriptase -linked polymerase chain reaction ( RT-PCR ) was used for analysis of gene expression in the treated cells .
folded_tokens: a semiquantitative reverse transcriptase -linked polymerase chain reaction ( rt-pcr ) was used for analysis of gene expression in the treated cells .
labels: O B-other_name B-protein_molecule I-protein_molecule O O O O O B-other_name O O O O O O B-other_name I-other_name O O B-cell_type I-cell_type O