Researchers have revealed how a common bacterium, Enterococcus faecalis (E. faecalis), releases lactic acid to acidify its surroundings and suppress the immune-cell signal needed to start a proper ...

Millions of people worldwide suffer from ulcerative colitis, a type of inflammatory bowel disease that causes ulcers in the colon. Its symptoms include abdominal pain, bleeding with stools, and fever, ...

Ulcerative colitis (UC) is one of the most common inflammatory bowel diseases, a lifelong condition that can cause chronic inflammation and ulcers in the lining of the large intestine. This can lead ...

Immune cells that eat bacteria in the body don't stash them in specialized compartments as once thought, but turn them into critical nutrients that build proteins, create energy and keep the cells ...

A toxin produced by bacteria found in dirty water kills off immune cells in the lining of the colon, meaning people whose guts are colonised by these bacteria are much more likely to develop a ...

As microbes invade the human body, phagocytic cells such as macrophages spring into action to clear the intruders. These cells extend arm-like projections and wrap them around the microbes before ...

Engineered bacteria reprogram tumor macrophages and direct copper into cancer cells, triggering cell death and systemic immunity without damaging healthy tissue. (Nanowerk Spotlight) Tumors do not ...