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 ...

Long Covid patients suffer from chronic symptoms such as fatigue or shortness of breath. As researchers have discovered, this is to some extent due to a part of our immune system called the complement ...

Nanoparticles introduced into the bloodstream encounter the immune complement system, a proteolytic cascade that bridges innate surveillance and adaptive responses. Complement activation can occur via ...

Medically reviewed by Matthew Wosnitzer, MD Key Takeaways Proteinuria affects most people with complement 3 glomerulopathy ...

White blood cells called neutrophils act as factories for C4A, linking peripheral immunity to schizophrenia and synaptic ...

Calorie restriction lowers C3, an immune protein tied to aging and inflammation, improving health without requiring weight loss.

Medically reviewed by Erika Prouty, PharmD Key Takeaways There are two types of complement 3 glomerulopathy: dense deposit ...