tokens: We report differences in ( Ca2+ ) i requirement for NF-kB activation in thymocytes as compared to mature T cells .
folded_tokens: we report differences in ( ca2+ ) i requirement for nf-kb activation in thymocytes as compared to mature t cells .
labels: O O O O B-inorganic I-inorganic I-inorganic I-inorganic O O B-protein_molecule O O B-cell_type O O O O B-cell_type I-cell_type O