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 ...

Also called C3G, this rare kidney disease often affects children and young adults, but it can happen at any age. It has a major impact on a person’s health and life. C3G has two forms: dense deposit ...

Medically reviewed by Matthew Wosnitzer, MD Complement 3 glomerulopathy (C3G) is a rare kidney disease that is also ...

Complement molecules are the immune proteins responsible for identifying bacteria, viruses, and other foreign invaders as they circulate through our bodies. Their function helps lymphocytes to locate ...

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 ...