The Complement System: Classical, Lectin, and Alternative Pathways

The video explains the complement system, a key part of the innate immune system. It covers the history, structure, and function of complement proteins, detailing the classical, lectin, and alternative pathways of activation. The video also discusses the nomenclature of complement proteins, their role in pathogen destruction, and the regulation mechanisms to prevent damage to host cells.

How does the membrane attack complex function to kill pathogens?

What are the functions of C3a and C5a in the immune response?

Discuss the importance of regulating the complement system.

What are some specific proteins that regulate complement activation?