tokens: Due to a switch from the use of a 3' polyA site to a more proximal polyA site , NF-ATc expression switches from the synthesis of the two longer isoforms in naive T cells to that of short isoform A in T effector cells .
folded_tokens: due to a switch from the use of a 3' polya site to a more proximal polya site , nf-atc expression switches from the synthesis of the two longer isoforms in naive t cells to that of short isoform a in t effector cells .
labels: O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-protein_molecule O O O O O O O O O O O B-cell_type I-cell_type I-cell_type O O O O B-protein_molecule I-protein_molecule O B-cell_type I-cell_type I-cell_type O