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 ...

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 ...

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 ...

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 ...

In a study, blocking the immune system complement protein C3 was shown to reduce MS disease severity in older mice but not in ...

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 ...

THE use of the complement-fixation test in serologic investigation serves as a frequent reminder to the physician of the existence of the complement system. It is probable that despite the advances ...

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 ...

In this analysis of patients with myeloperoxidase-ANCA-positive AAV, all urinary complement C3 fragment levels were elevated significantly compared with healthy controls (P <.01 for all).