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From 2013.igem.org

Cancer kills eight million people each year. Current treatments involve therapies such as chemotherapy and radiation that cannot differentiate between cancerous and healthy tissue. The ASU iGEM team proposes a novel vaccine delivery system of tumor-specific proteins and other elements to mitigate the anti-immune response of tumor cells, all encapsulated within probiotic bacteria, akin to those found in commercial yogurt. The vaccine should activate immune cells to teach a patient’s immune system to detect specific markers that distinguish tumors from healthy tissue and destroy the tumor cells.