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 ...

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 ...

Age-related macular degeneration is the most common cause of blindness in Western populations. Susceptibility is influenced by age and by genetic and environmental factors. Complement activation is ...

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 ...

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 ...

A complement blood test checks for autoimmune diseases or other issues with your immune system. Your doctor might test you if you have a family history of certain conditions, such as rheumatoid ...

CAMBRIDGE, Mass.--Alnylam Pharmaceuticals, Inc. (Nasdaq:ALNY), a leading RNAi therapeutics company, today announced initial positive results from its ongoing Phase 1/2 clinical trial with ALN-CC5, an ...