Activation of the complement system through the alternative pathway is necessary for the development of anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) in animal models C5a has ...

It was called ‘complement’ because it aided the antibacterial activity of antibodies. However, it is now known that the complement system can be activated early in an infection without the presence of ...

In a recent study posted to the bioRxiv* pre-print server, researchers investigated the complement component 1q (C1q) binding and subsequent complement activation by neutralizing antibodies (nAbs) ...

Clinicogenomic landscape and outcomes of metastatic colorectal cancer patients with pathogenic GNAS variants. This is an ASCO Meeting Abstract from the 2025 ASCO Annual Meeting I. This abstract does ...

Cold agglutinin disease is a rare autoimmune hemolytic anemia characterized by hemolysis that is caused by activation of the classic complement pathway. Sutimlimab, a humanized monoclonal antibody, ...

Please provide your email address to receive an email when new articles are posted on . A protein known as granzyme K was recently shown to be a driver of inflammation by activating the complement ...

C3G and IC-MPGN can be difficult to diagnose because they are so rare and their symptoms are vague and nonspecific. A kidney biopsy is considered the gold standard and usually needed to confirm the ...

Medically reviewed by Erika Prouty, PharmD Key Takeaways There are two types of complement 3 glomerulopathy: dense deposit ...

Left untreated, PNH could cause death in about half of patients within 10 years of diagnosis. The primary cause of PNH-related mortality is thromboembolic events. A host of anti-complement strategies, ...

Medically reviewed by Matthew Wosnitzer, MD Key Takeaways Proteinuria affects most people with complement 3 glomerulopathy ...