when 200 x 10 ( 6 ) sensitized mln t cells were adoptively transferred into lactating recipients , it led to the passive immunization of suckling neonates ( 26 % and 13 % of control values retained at 3 and 8 days post-challenge ) , while maternal injection of t cells primed to an irrelevant antigen ( klh ) had no effect on neonatal immunity .
C0003320
antigen
C0020964
immunity