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Experimental Melanoma Immunotherapy Model Using Tumor Vaccination with a Hematopoietic Cytokine
Published on: February 24, 2023
Alkylating chemotherapy may exert a uniquely deleterious effect upon neo-antigen-targeting anticancer vaccination
Adam J Litterman1, Arkadiusz Z Dudek, David A Largaespada
1Masonic Cancer Center; University of Minnesota; Minneapolis; MN USA ; Brain Tumor Program; University of Minnesota; Minneapolis, MN USA ; Department of Pediatrics; University of Minnesota; Minneapolis, MN USA.
Abstract:
Alkylating chemotherapy exerts both antineoplastic and immunostimulatory effects. However, in addition to depleting regulatory T cells (Treg), alkylating agents also mediate a long lasting antiproliferative effect on responder lymphocytes. Our recent findings indicate that this antiproliferative effect profoundly impairs vaccination-induced immune responses, especially in the case of vaccines that target specific tumor-associated neo-antigens that do not require Treg depletion.
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