Chinese scientists say they have turned E coli into a cancer therapy that can colonise tumour cells, as well as produce and deliver an existing cancer drug directly from within, reducing the toxic side effects of traditional chemotherapy. The research, performed on mice with breast cancer, paved the way for targeted cancer treatments in future, said the scientists from Shandong University in the eastern port city of Qingdao. Escherichia coli (E coli) is a group of bacteria commonly found in the...