Title |
How to connect an IgE-driven response with CTL activity?
|
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Published in |
Cancer Immunology, Immunotherapy, November 2011
|
DOI | 10.1007/s00262-011-1127-y |
Pubmed ID | |
Authors |
Barbara Platzer, Eleonora Dehlink, Shannon J. Turley, Edda Fiebiger |
Abstract |
One of the goals of cell-based immune therapy in cancer is the induction of tumor-specific cytotoxic T-lymphocyte (CTL) responses. To achieve this objective, the ability of dendritic cells (DC) to cross-present tumor antigens can be exploited. One of the most efficient pathways for the induction of CTLs by cross-presentation is mediated by immunoglobulins of the IgG class, which are used by DCs to sample antigen in the form of immune complexes via Fc-gamma receptors. Could DCs use an IgE-mediated cross-presentation mechanism in a comparable manner to induce CTLs? We here discuss the potential of two human IgE Fc receptors, FcεRI and FcεRII, to serve as antigen uptake receptors for IgE-mediated cross-presentation. We conclude that the existence of an IgE-mediated cross-presentation pathway would provide a direct link between IgE-driven immune responses and CTL activity. |
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