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Irreversible Electroporation Potentiates Beta Glucan Induced Trained Innate Immunity: A Novel Combination Treatment For Pancreatic Adenocarcinoma., Matthew Woeste
Electronic Theses and Dissertations
Pancreatic cancer (PC) is a challenging diagnosis yet to benefit from advances in immune oncologic treatments. Irreversible electroporation, a non-thermal method of tumor ablation, is used in treatment of select patients with locally advanced unresectable PC and has potentiated the effect of certain immunotherapies. Yeast-derived particulate β-glucan induces trained innate immunity and successfully reduces murine PC tumor burden. This study tests the hypothesis that IRE may augment β-glucan-induced trained immunity in the treatment of PC. β-Glucan-trained pancreatic myeloid cells were evaluated ex vivo for trained responses and anti-tumor function after exposure to ablated and un-ablated tumor conditioned media. β-Glucan and …
Harnessing The Power Of Trained Immunity In The Setting Of Pancreatic Cancer: A Novel Mechanism Of Immune Trafficking And Tumor Control., Anne Elena Geller
Harnessing The Power Of Trained Immunity In The Setting Of Pancreatic Cancer: A Novel Mechanism Of Immune Trafficking And Tumor Control., Anne Elena Geller
Electronic Theses and Dissertations
Despite the success of immunotherapy in many types of cancer, pancreatic adenocarcinoma (PDAC) has yet to benefit. Innate immune cells are critical to antitumor immunosurveillance and recent studies have revealed that these populations possess a form of memory, termed trained innate immunity, which occurs through transcriptomic, epigenetic, and metabolic reprograming. Though trained innate immunity has mostly been investigated in the context of infection, the induction of trained innate immunity could also protect against tumors, and specifically pancreatic tumors. Here, we demonstrate that yeast-derived particulate β-glucan, a known inducer of trained immunity, traffics to the pancreas following IP administration. This causes …