Although all anti-O2-antigen antibodies enabled activation of the complement system, anti-capsule antibodies were less effective in their stimulation and ability to to form hexameric IgG clusters.

This indicates that if obesity-induced IgG contributes to the development of glucose intolerance, this is not mediated by FcγR or complement activation. You have full access to this article via ...

The study data also indicated that anti-RBD IgG but not IgM was more important in complement activation following vaccination, where C5b-9 strongly and significantly correlated to the amount of ...

Different subclasses of IgG have approximately 90% similarity with respect to their amino acid structures, but each subclass has unique antigen binding methods, complement activation, immune ...

Eculizumab is a humanized monoclonal IgG antibody that binds to complement protein C5 and blocks terminal complement activation (ClinicalTrials.gov numbers, NCT01399593 and NCT01567085).

IgG antibodies activate blood platelets and contribute to the severity of anaphylaxis. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2018 / 05 / 180515105707.htm ...

IgG antibodies activate blood platelets and contribute to the severity of anaphylaxis. Institut Pasteur. Journal Science Immunology DOI 10.1126/sciimmunol.aan5997 ...

Complement activation by CRP differs from complement activation by IgG in producing a selective activation of early components without the formation of the membrane attack complex (MAC).

Cryoglobulins containing IgG, IgM and complement have been described in the serums of patients with SLE. 6 Such cryoglobulins have been found to have an anticomplementary effect, 8 and ...