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 ...

A hidden connection is stronger than an obvious one. —Heraclitus of Ephesus (535–475 BC) All surface-bound C3 convertases, regardless of origin, can induce the amplification branch of the alternative ...

However, the discovery that receptors for complement activation fragments are expressed by almost all immune cells — including B cells and T cells — and that these cells can sense and convert the ...