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 ...

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 3 glomerulopathy (C3G) is a rare kidney disease that affects your body’s innate immune system (complement system). Complement 3 glomerulopathy (C3G) is a kidney disease that’s caused by ...

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 ...

Researchers have shown that certain plant proteins resemble human signaling proteins of the immune system and can bind to their receptors. The human immune system is based on cells that communicate ...

Scientists have found a way to supercharge the immune system’s T cells by blocking a protein called Ant2, essentially rewiring how these cells generate energy. This metabolic reprogramming makes them ...

Swiss scientists have identified immune system abnormalities in patients with long COVID that might open the door to new diagnostic tests and treatments. The researchers found that a group of proteins ...

Long Covid has long eluded scientists looking for its cause. Not knowing what triggers its persistent and distressing symptoms makes the condition challenging to treat; it’s hard to even say ...