Immunology: Complement system

The complement system is a cascade of serine proteases encoded by genes originating from the same ancestral genes as coagulation proteins. Like the coagulation system, complement activation involves several steps, is tightly regulated, and requires both plasma and membrane proteins. #ComplementSystem #serineProteases #immunology #phagocytes #cytokines #proteins #classicalComplementPathway #alternativeComplementPathway #lectinPathway