The complement system is necessary for the induction of optimal T-cell effector function. In complement component 3 (C3)-deficient mice, CD4 + T-cell responses to viruses are impaired and the ...

The complement system is a part of the immune system that enhances (complements) the ability of antibodies and phagocytic cells to clear microbes and damaged cells from an organism, promotes ...

They also help in removing foreign material and dead cells. When people inherit a deficiency of complement proteins, they are more likely to develop certain disorders and infections because their ...

Part of the innate immune system, the complement system comprises distinct proteins in the plasma and on cell surfaces that react with one another to enhance – complement – the ability of ...

“You could see little parts of the human cell being broken off,” Ralston said of her very first encounter with the parasite.

Complement component 4 (C4) is a type of special protein that is found on the surface of certain cells and in blood plasma. It is part of a group of almost 60 proteins that make up your complement ...

It is part of the innate immune system and normally helps to fight infections and eliminate damaged and infected body cells. "In patients with long COVID, the complement system no longer returns ...