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 ...

To investigate levels of components of the alternative pathway of complement, and of two activation products, ASP and Bb, in persons ranging in insulin resistance both fasting and following the ...

Complement activation is common in patients with systemic lupus erythematosus (SLE), resulting in hypocomplementemia and deposition of complement at sites of tissue damage. The availability of mice ...

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.

Please provide your email address to receive an email when new articles are posted on . Kim’s hypothesis arises partially from studies that showed that C3, when introduced to synthetic neutrophils, ...