New research zeroes in on a unique group of immune cells that could transform how we treat—and possibly prevent—severe food allergies like peanut and shellfish.

Our gut is constantly exposed to a wide variety of foods, and the gut microbiome helps the immune system learn what's harmful ...

Inside cells, two important enzymes act like small central regulatory hubs: dipeptidyl peptidase 8 and 9—DPP8/9 for short. Among other things, they regulate inflammatory reactions and influence ...

The immune system must be able to rapidly target invaders such as viruses while avoiding innocuous stimuli, or allergies may develop.

The immune system must be able to quickly attack invaders like viruses, while also ignoring harmless stimuli, or allergies can result. Immune cells are known to ignore or "tolerate" molecules found on ...