when an antibody , specific for the active form of tgf-beta 1 , was added in conjunction with il-2 to previously stimulated b cell cultures , there was a 14.4 +/- 4.2 % increase in b cell proliferation , a 22 +/- 6 % increase in igg production , and a 33 +/- 8.6 % increase in igm production when compared to control cultures .
C0004561
b cell
C1155008
b cell proliferation