Although prior studies suggest a role for protein tyrosine kinases and phosphatases in Fas signaling , we report here that Fas ligation induces apoptosis in T cells deficient in either CD45 or Lck .
although prior studies suggest a role for protein tyrosine kinases and phosphatases in fas signaling , we report here that fas ligation induces apoptosis in t cells deficient in either cd45 or lck .
O O O O O O O B-protein_family_or_group B-amino_acid_monomer O O O O B-protein_molecule O O O O O O O O O B-other_name O B-cell_type I-cell_type O O O B-protein_molecule O B-protein_molecule O