These studies were conducted with highly purified ( FACS-isolated ) subsets of CD4 T cells identified by expression of both CD45RA and CD62L .
these studies were conducted with highly purified ( facs-isolated ) subsets of cd4 t cells identified by expression of both cd45ra and cd62l .
O O O O O O O O O O O O B-cell_type I-cell_type I-cell_type O O O O O B-protein_molecule O B-protein_molecule O