Sialylation of anti-histone immunoglobulin G autoantibodies determines their capabilities to participate in the clearance of late apoptotic cells

I Magorivska, LE Muñoz, C Janko… - Clinical & …, 2016 - academic.oup.com
The Fc portion of immunoglobulin (Ig) G harbours a single glycosylation site. Glycan
sialylation is critical for structure and for certain effector functions of IgG. Anti-histone IgG of …

Analytical and functional aspects of antibody sialylation

J Stadlmann, M Pabst, F Altmann - Journal of clinical immunology, 2010 - Springer
Materials and methods This review focuses on the role of antibody sialylation and methods
for its quantitation. The recent attribution of the anti-inflammatory activity of IgG to the …

Sialylated autoantigen-reactive IgG antibodies attenuate disease development in autoimmune mouse models of lupus nephritis and rheumatoid arthritis

YC Bartsch, J Rahmöller, MMM Mertes… - Frontiers in …, 2018 - frontiersin.org
Pro-and anti-inflammatory effector functions of IgG antibodies (Abs) depend on their
subclass and Fc glycosylation pattern. Accumulation of non-galactosylated (agalactosylated; …

Sialylation as an important regulator of antibody function

R Vattepu, SL Sneed, RM Anthony - Frontiers in Immunology, 2022 - frontiersin.org
Antibodies play a critical role in linking the adaptive immune response to the innate immune
system. In humans, antibodies are categorized into five classes, IgG, IgM, IgA, IgE, and IgD …

Fc sialylation prolongs serum half-life of therapeutic antibodies

M Bas, A Terrier, E Jacque, A Dehenne… - The Journal of …, 2019 - journals.aai.org
The long serum t 1/2 of IgGs is ensured by their interaction with the neonatal Fc receptor
(FcRn), which salvages IgG from intracellular degradation. Fc glycosylation is thought not to …

Opsonization of late apoptotic cells by systemic lupus erythematosus autoantibodies inhibits their uptake via an Fcγ receptor–dependent mechanism

E Reefman, G Horst, MT Nijk… - … : Official Journal of …, 2007 - Wiley Online Library
Objective. Decreased clearance of apoptotic cells is suggested to be a major pathogenic
factor in systemic lupus erythematosus (SLE). The aim of this study was to investigate …

Antibody glycosylation and inflammation

KTC Shade, RM Anthony - Antibodies, 2013 - mdpi.com
IgG antibodies are the basis of some of the most effective therapeutics developed over the
last 20 years. These antibodies are highly specific, have long serum-half lives, and can be …

[HTML][HTML] Sialylated immunoglobulin G: a promising diagnostic and therapeutic strategy for autoimmune diseases

D Li, Y Lou, Y Zhang, S Liu, J Li, J Tao - Theranostics, 2021 - ncbi.nlm.nih.gov
Human immunoglobulin G (IgG), especially autoantibodies, has major implications for the
diagnosis and management of a wide range of autoimmune diseases. However, some …

Impaired clearance of early apoptotic cells mediated by inhibitory IgG antibodies in patients with primary Sjögren's syndrome

MN Manoussakis, GE Fragoulis, AG Vakrakou… - PLoS …, 2014 - journals.plos.org
Objectives Deficient efferocytosis (ie phagocytic clearance of apoptotic cells) has been
frequently reported in systemic lupus erythematosus (SLE). Todate, patients with primary …

[HTML][HTML] Role of sialylation in the anti-inflammatory activity of intravenous immunoglobulin–F (ab′) 2 versus Fc sialylation

I Schwab, F Nimmerjahn - Clinical and experimental immunology, 2014 - ncbi.nlm.nih.gov
Immunoglobulin (Ig) G antibodies play an important role in the defence against pathogenic
microorganisms, but are also responsible for tissue destruction and inflammation during …