Transient transfection studies demonstrate further that TCR -stimulated activation of the Ras signaling pathway is required for optimal activation of CD95 ligand .
transient transfection studies demonstrate further that tcr -stimulated activation of the ras signaling pathway is required for optimal activation of cd95 ligand .
O O O O O O B-protein_family_or_group O O O O B-protein_molecule O O O O O O O O B-protein_molecule I-protein_molecule O