Assertion: lupus's antibody | /r/CreatedBy | immune system
Facets:
value: to mark invading substances
type: PURPOSE
Source sentences:
text: According to the researchers, the Fc receptor regulates the production of antibodies produced by the immune system that attack foreign invaders in the body.
text: Antibodies are proteins produced by the immune system to mark and neutralize invading substances such as bacteria and viruses.