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 ...

VALLEY COTTAGE, N.Y. – Complement system consists of more than 30 proteins and it operates as defense against infection. Composition of the 30 proteins in blood or serum is known as complement cascade ...

Among people with sickle cell disease—an inherited blood disorder—acute chest syndrome (ACS) is the leading cause of death. The condition is the result of red blood cells becoming stiff, sticky, and ...