IgG Fc Glycosylation in Human Immunity.

Current Topics in Microbiology and Immunology
Taia T Wang

Abstract

Glycosylation of IgG Fc domains is a central mechanism in the diversification of antibody function. Modifications to the core Fc glycan impact antibody function by shifting the balance of Type I and Type II Fc gamma receptors (FcγR) that will be engaged by immune complexes. This, in turn, modulates the effector cells and functions that can be recruited during immune activation. Critically, humans have evolved to regulate Fc glycan modifications for immune homeostasis. Dysregulation in Fc glycan modifications can lead to loss of immune tolerance, symptomatic autoimmunity, and susceptibility to infectious diseases. Here, we discuss IgG Fc glycosylation and its role in human health and disease.

Citations

Jun 5, 2021·Science·Stylianos BournazosJeffrey V Ravetch
Aug 3, 2021·Frontiers in Immunology·Andrea FariniYvan Torrente
Jan 19, 2022·Science Translational Medicine·Saborni ChakrabortyTaia T Wang

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