The chips are designed to look for the activation of certain white blood cells, which would indicate the immune system was going to work to fight the infection. (sciencedaily.com)
However, infections also trigger another reaction called cell - mediated immunity, in which certain white blood cells target and destroy infected cells. (newscientist.com)
Thinking that A20 was only produced in a few tissues, researchers at the University of Chicago originally set out to pinpoint A20's function in certain white blood cells in the intestine. (scientificamerican.com)