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 ...

The human complement system has a pivotal role in the recognition, opsonization and elimination of microbial intruders. This functionality is maintained by a well-balanced interaction network of serum ...

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 ...

Medically reviewed by Jamin Brahmbhatt, MD Key Takeaways Complement 3 glomerulopathy (C3G) is diagnosed with a combination of ...

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 ...

C3G and IC-MPGN can be difficult to diagnose because they are so rare and their symptoms are vague and nonspecific. A kidney biopsy is considered the gold standard and usually needed to confirm the ...

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). Specific ...

Among the most significant genetic risk factors for age-related macular degeneration is the Y402H variant of complement factor H, which, along with its splice isoform FHL-1, impairs binding to the ...