In vitro or ex vivo method for increasing immunoreactivity of cells of the immune system by reducing or inhibiting the cbl-b function of the cells and a cbl-b inhibitor or antagonist for use in such a method
The invention relates to an in vitro or ex vivo method for increasing the immunoreactivity of cells of the immune system, which were contacted with an antigen, said method comprising the reduction or inhibition of the Cbl-b function of said cells, thereby increasing the immunoreactivity of the cells towards the antigen.