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 ...

Long Covid patients suffer from chronic symptoms such as fatigue or shortness of breath. As researchers have discovered, this is to some extent due to a part of our immune system called the complement ...

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 ...

Researchers at the National Eye Institute have found that the complement system seems to protect against retinal degeneration in retinitis pigmentosa. The research contradicts previous findings, which ...

Medically reviewed by David Hampton, MD C3G is caused by immune system dysfunction that can lead to kidney issues.When the kidneys don't work as they should, people can experience blood or protein in ...

(via Kurzgesagt) One of the key players of our immune system is the complement system. An army of millions and trillions of tiny bombs, which work together in a complex and elegant dance to stop ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 101, No. 24 (Jun. 15, 2004), pp. 8924-8929 (6 pages) Vaccinia virus complement control protein (VCP), a homolog of ...