a set of b-cell activation markers , including the ebv/c3d receptor [ complement receptor type 2 ( cr2 ) ( cd21 ) ] , the 45-kda lymphoblastoid cell-associated ( blast-2 ) antigen ( cd23 ) , and the b-cell restricted activation ( bac-1 ) antigen ( which was recently identified as a potential b-cell growth factor receptor ) can be turned on by infecting lymphoma cells that are genome negative for epstein-barr virus ( ebv ) with the b95-8 immortalizing strain of the virus .
C3539605
complement
C1413696
cd21