Engineered probiotic bacteria boost immune attack against pancreatic cancer

https://www.news-medical.net/news/20260724/Engineered-probiotic-bacteria-boost-immune-attack-against-pancreatic-cancer.aspx Cancer immunotherapies have transformed treatment for many cancers, but pancreatic cancer remains especially difficult to treat. One major reason is that pancreatic tumors often create a "cold" tumor microenvironment, where the tumor prevents immune cells from mounting a strong attack.