It was called ‘complement’ because it aided the antibacterial activity of antibodies. However, it is now known that the complement system can be activated early in an infection without the presence of ...

Scientists have published new details of their research into the complement reaction, an immune system response that kills thousands annually. Researchers have teased out the molecular process that ...

The Journal of Infectious Diseases, Vol. 25, No. 3 (Sep., 1919), pp. 269-276 (8 pages) Frozen guinea-pig complement one week old, whether composed of the mixed serums of 3 guinea-pigs or of the serum ...

A harmless shard from the shell of a common childhood virus may halt a biological process that kills a significant percentage of battlefield casualties, heart attack victims and oxygen-deprived ...

THE lytic step of the complement reaction sequence is biologically very important. An attempt to determine its nature by indirect methods was previously made in this laboratory 1,2. Another direct ...