Complement proteins may be helpful when it comes to rallying clearance of hazardous debris from the brain, but scientists believe the immune activators can also inflict irreparable damage to neurons ...

Researchers at the National Eye Institute have found that the complement system seems to protect against retinal degeneration in retinitis pigmentosa. The research contradicts previous findings, which ...

The complement system is primarily a host defence mechanism, but it causes injury to tissue cells through the formation of the membrane attack complex (C5b–C9), which leads to cell lysis and cell ...