The complement system is a key component of innate and adaptive immunity and therefore acts as a vital defense against invading pathogens. Deficiencies in the complement system are associated with ...

From football fields to military training grounds, head injuries are leaving lasting marks on the brain in ways we're only beginning to understand. Repeated concussions can increase the risk of mood ...

Researchers discovered a previously unknown mechanism that may drive tissue damage and a new target for drug discovery. Our immune system is armed with an array of defenses designed to detect and ...

Our immune system is armed with an array of defenses designed to detect and eliminate harmful threats. One of its most powerful defense mechanisms is the complement system—a group of proteins that ...

The results of a newly reported study may offer scientists a strategy for mitigating the negative side effects associated with intravenous injection of nanoparticles used in medicine. The new approach ...