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.

The complement system has vital protective functions as a humoral component of the innate immune system and also through interactions with the adaptive immune system; however, when inappropriately ...

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 ...

TWO inborn errors of the complement system of man have been well documented: hereditary deficiency of the serum inhibitor of the activated first component of complement (C′1a) and hereditary ...

Complement component 3, often called C3, is an essential protein of the immune system. This protein plays a vital role in the body’s innate immune system, providing the first line of defense against ...

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 ...

Alnylam Scientists Present Pre-clinical Data with ALN-CC5, an RNAi Therapeutic Targeting Complement Component C5 for the Treatment of Complement-Mediated Diseases – New Research Presented at 6 th ...

University of Pennsylvania researchers have found a promising new treatment for periodontitis using a component of the immune system called complement, according to a new study in the Journal of ...

PASC, which is otherwise known as long COVID, arises following the recovery from acute infection with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus responsible for ...