because b lymphocytes from mice homozygous or hemizygous for the cba/n x-linked immune defect fail to proliferate in vitro when cultured with soluble anti-ig antibodies , yet can make in vivo primary antibody responses to t-dependent antigens , we studied the effects of injecting ( cba/n x dba/2 ) f1 male mice ( immune defective ) and ( cba/n x dba/2 ) f1 female mice ( phenotypically normal ) with 800 to 1600 micrograms of gam delta .
C0021027
ig
C0003241
antibody