moreover , compared with lectin- or alloantigen-activated t cells , long-term tcgf-dependent cytolytic and helper t cell lines and tcgf-dependent neo-plastic t cell lines bound tcgf with a similar affinity ( dissociation constant of 5-25 pm ) and expressed a similar number of receptor sites per cell ( 5,000-15,000 ) .
C1536403
cytolytic
C0007634
cell