In the present study , we examined the ability of PtdIns 3-kinase to initiate the Rac-1 signaling pathways important for T cell activation .
in the present study , we examined the ability of ptdins 3-kinase to initiate the rac-1 signaling pathways important for t cell activation .
O O O O O O O O O O B-protein_molecule I-protein_molecule O O O B-protein_molecule O O O O B-other_name I-other_name I-other_name O