C5b initiates the membrane attack pathway, which results in the membrane attack complex (MAC), consisting of C5b, C6, C7, C8, and polymeric C9. MAC is the cytolytic endproduct of the complement ...

The complement pathway is a regulated cascade of proteins that supports or complements (hence the name) the activity of antibodies and phagocytes in clearing infections. The pathway comprises three ...

Please provide your email address to receive an email when new articles are posted on . Kim’s hypothesis arises partially from studies that showed that C3, when introduced to synthetic neutrophils, ...

Global understanding of complement has shifted and developed since the 21st century: from our idea of a blood-based antibiotic system to a global regulator of immunity and tissue homeostasis. Recent ...

A new study published in the journal Science Immunology analyzed lung epithelial cells from patients infected with COVID-19 and found the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) ...