tokens: Northern blot analysis showed that TCDD treatment decreased steady state levels of CD19 mRNA by 67% in the IM-9 cell line .
folded_tokens: northern blot analysis showed that tcdd treatment decreased steady state levels of cd19 mrna by 67% in the im-9 cell line .
labels: B-other_name I-other_name I-other_name O O B-other_organic_compound O O O O O O B-RNA_molecule I-RNA_molecule O O O O B-cell_line I-cell_line I-cell_line O