T Cell Control of the IgE Response Thymectomy antigen Ts cells ↓ 8 6 specific IgE (arbitrary units) 4 2 control 0 -1 0 1 2 3 4 5 Weeks T Cell Control of the IgE Response 1 2 3 4 5 Weeks 8 6 4 2 0 specific IgE (arbitrary units) Thymectomy antigen Ts cells control -1 0