Synthetic biology is enabling scientists to use engineered genetic circuits in the cells as the basis for the development of new living therapeutics and as a powerful new weapon in the fight against diseases, especially cancer. Bacteria-mediated therapy is a promising alternative cancer treatment. The book covers the recent developments of cellular therapies from a synthetic biology perspective including engineered microbial therapies, CAR-T therapies etc. and is an indispensable guide to scientists in both biotechnology and medicine.