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.
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Acknowledgements
Support was received from Stanford University, the Chan Zuckerberg Biohub and the Searle Scholars Program. Research reported in this publication was supported in part by the Bill & Melinda Gates Foundation (OPP1188461) and the National Institutes of Health (1R01AI139119-01A1, 5K22AI12347802, 5U19AI111825-05, UL1TR001866).
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Wang, T.T. (2019). IgG Fc Glycosylation in Human Immunity. In: Ravetch, J., Nimmerjahn, F. (eds) Fc Mediated Activity of Antibodies. Current Topics in Microbiology and Immunology, vol 423. Springer, Cham. https://doi.org/10.1007/82_2019_152
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DOI: https://doi.org/10.1007/82_2019_152
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