We were unable to process your request. Please try again later. If you continue to have this issue please contact [email protected]. FORT WORTH, Texas — In patients with suspected lupus, ...

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.

A complement C4 (also known as a complement component 4, or simply C4) is a test to measure the level of C4 proteins you have in your blood. These proteins play a role in how your immune system ...

A gamma-globulin factor in the serum of patients with systemic lupus erythematosus that reacts with isolated cell nuclei 1 or nucleoprotein 2,3 has been detected in many ways. 4 The standard method of ...

Amyndas Pharmaceuticals SA, which is committed to developing innovative therapeutics to treat complement-mediated disorders, announced today that its lead candidate, the C3 complement inhibitor ...