NFAT-1 activity had previously been thought to be confined to activated T-lymphocytes upon release of intracellular calcium .
nfat-1 activity had previously been thought to be confined to activated t-lymphocytes upon release of intracellular calcium .
B-protein_molecule O O O O O O O O O B-cell_type I-cell_type O O O B-cell_type I-cell_type O