Hymenoptera venom immunotherapy reduces the expression of CD40L and CTLA-4 on T CD4 lymphocytes.
Hymenoptera venom immunotherapy decline the IL-4 producing T lymphocytes and increase IFN-γ producing T lymphocytes.
The modifications induced by immunotherapy on IL-4 and CD40L link to those seen in skin test.
Neither basophil activation test nor the sIgE levels, are not linked to the immune changes induced by immunotherapy.