A cell culture system was then employed that permitted the differentiation of Th effectors from resting memory T cells by short term priming .
a cell culture system was then employed that permitted the differentiation of th effectors from resting memory t cells by short term priming .
O B-cell_line I-cell_line I-cell_line O O O O O O O O B-protein_family_or_group I-protein_family_or_group O B-cell_type I-cell_type I-cell_type I-cell_type O O O O O