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 ...

Complement molecules are the immune proteins responsible for identifying bacteria, viruses, and other foreign invaders as they circulate through our bodies. Their function helps lymphocytes to locate ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 72, No. 6 (Jun., 1975), pp. 1989-1993 (5 pages) ...

For the complement system to cause AMD, there must be initiation (a ‘trigger’), amplification, and local retinal damage caused by the process. The alternative pathway of the complement system is ...

We are studying the role of the complement system in kidneys and brains during health and disease. Traditionally, major complement proteins were shown to be generated by the liver and are functional ...

Crippling the complement cascade in a mouse model of AD leads to more plaques, but less neurodegeneration and better function, according to a new study from Cynthia Lemere and colleagues at Brigham ...

Nipocalimab might lower the concentration of anti-acetylcholine receptor antibodies in people with generalized myasthenia gravis, a study shows. PHOENIX, Arizona—Nipocalimab might lower the ...

Traumatic brain injury (TBI) is a major cause of disability and a risk factor for early-onset dementia. The injury is characterized by a physical insult followed acutely by complement driven ...

Complement 3 glomerulopathy (C3 glomerulopathy) is a very rare kidney disease. Those diagnosed with it have one of two forms of this disease: dense deposit disease (DDD) or C3 glomerulonephritis (C3GN ...