A team of the Indian Institute of Science Education and Research (IISER), Kolkata, has developed a "friendly bacteria" that can safely and effectively fight cancer from within the patient's body, the premier institute said in a statement.

At the same time, they are developing a detection system capable of monitoring the progress of the therapy.

Together, these innovations mark a new frontier in the combined therapeutic and diagnostic approach to cancer treatment, the IISER Kolkata said.

Their project, titled ReSET (Reprogramming the Suppressive Environment of Tumour Microenvironment), tackles one of the biggest barriers in cancer therapy.

"Cancer often hides behind special immune cells called T regulatory cells (Tregs), which suppress the body's natural defence system. This makes stand

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