Your complement system consists of a group of important proteins in your bloodstream. These proteins help your immune system fight off harmful invaders, such as bacteria, and other foreign substances.
It was called ‘complement’ because it aided the antibacterial activity of antibodies. However, it is now known that the complement system can be activated early in an infection without the presence of ...
The complement cascade evolved as a primitive surveillance system against pathogens 1. Some of the complement components have distinct antimicrobial activity. The fragments derived from C3 degradation ...