T Cells Educated By Dc/Aml Fusions In The Context Of 4-1bb Costimulation As A Potent Strategy For Adoptive Cellular Therapy
BLOOD(2019)
摘要
Introduction: Our group has developed a novel vaccine using patient-derived acute myeloid leukemia (AML) cells and autologous dendritic cells (DCs), capable of presenting a broad array of leukemia antigens. In a phase I/II clinical trial DC/AML vaccination led to an expansion of leukemia-specific T cells. We hypothesized that the fusion vaccine offered a unique platform for ex vivo expansion of functionally potent leukemia specific T cells with broad specificity targeting shared and tumor specific neoantigens. We postulated that incorporating 4-1BB (CD137) mediated co-stimulation would further enhance activation of antigen specific T cells and the development of a crucial memory response as well as promote survival and persistence. Here we describe therapeutic exploration of the use of 4-1BB to augment vaccine-educated T cells for adoptive cellular therapy in an immunocompetent murine model.
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关键词
T Cell Therapy,Adoptive Cell Transfer,T Cell Immunity
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