Study reveals details of immune defense guidance system

At the beginning of an immune response, a molecule known to mobilize immune cells into the bloodstream, where they home in on infection sites, rapidly shifts position, a new study shows. Researchers say this indirectly amplifies the attack on foreign microbes or the body's own tissues.

from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/03/210303142514.htm