A complement blood test checks for autoimmune diseases or other issues with your immune system. Your doctor might test you if you have a family history of certain conditions, such as rheumatoid ...

When complement gets activated, it releases anaphylatoxins C3a and C5a that are potent chemotactic agents. They recruit leukocytes into lesions and also activate cells that express C3a and C5a ...

Efdamrofusp alfa, the first-in-class bispecific fusion protein targeting VEGF and complement, can simultaneously inhibit angiogenesis and vascular leakage mediated by VEGF, and inflammatory responses ...