IgG antibodies produced during subcutaneous allergen immunotherapy mediate inhibition of basophil activation via a mechanism involving both FcgammaRIIA and FcgammaRIIB.
Cady CT, Powell MS, Harbeck RJ, Giclas PC, Murphy JR, Katial RK, Weber RW, Hogarth PM, Johnson S, Bonvini E, Koenig S, Cambier JC. IgG antibodies produced during subcutaneous allergen immunotherapy mediate inhibition of basophil activation via a mechanism involving both FcgammaRIIA and FcgammaRIIB. Immunol Lett. 2010 May 04; 130(1-2):57-65.