Despite being part of the innate immune system, the complement system can be recruited and brought into action by antibodies generated by the adaptive immune system. The complement system …

The complement system is part of your immune system that defends your body against injury and foreign invaders like bacteria and viruses that can make you sick.

Dec 23, 2025 · complement, in immunology, a complex system comprising a large number of proteins that act in concert to help eliminate infectious microorganisms.

Complement is an important component of the innate immune system that is crucial for defense from microbial infections and for clearance of immune complexes and injured cells.

The complement system plays a critical role in inflammation and defence against some bacterial infections. Complement may also be activated during reactions against incompatible blood …

Sep 5, 2023 · Complement has long been considered a key innate immune effector system that mediates host defence and tissue homeostasis. Yet, growing evidence has illuminated a broader …

Aug 27, 2024 · This review presents an overview of critical aspects of the complement-pathogen interactions during infection and discusses perspectives on designing therapies to mitigate …

Understanding this complex network is essential for appreciating its role in maintaining health and combating infections. This article will explore the pathways that activate the complement system and …

Complement protein deficiency is a form of primary immunodeficiency. The classical complement pathway starts with antibody binding, which causes a cascade reaction of complement proteins that …

The complement system is an enzyme cascade that helps defend against infection via activation of a local inflammatory response. Many complement proteins occur in serum as inactive enzyme …