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The role of sialic acids in the immune recognition of xenografts

The role of sialic acids in the immune recognition of xenografts Presentation of sialic acid (Sia) varies among different tissues and organs within each species, and between species. This diversity has biologically important consequences regarding the recognition of cells by “xeno” antibodies (Neu5Gc vs Neu5Ac). Sia also plays a central role in inflammation by influencing binding of the asialoglycoprotein receptor 1 (ASGR‐1), Siglec‐1 (Sialoadhesin), and cellular interactions mediated by the selectin, integrin, and galectin receptor families. This review will focus on what is known about basic Sia structure and function in association with xenotransplantation, how changes in sialylation may occur in this context (through desialylation or changes in sialyltransferases), and how this fundamental pathway modulates adhesive and cell activation pathways that appear to be particularly crucial to homeostasis and inflammation for xenografts. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Xenotransplantation Wiley

The role of sialic acids in the immune recognition of xenografts

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References (77)

Publisher
Wiley
Copyright
© 2017 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.
ISSN
0908-665X
eISSN
1399-3089
DOI
10.1111/xen.12345
pmid
29057592
Publisher site
See Article on Publisher Site

Abstract

Presentation of sialic acid (Sia) varies among different tissues and organs within each species, and between species. This diversity has biologically important consequences regarding the recognition of cells by “xeno” antibodies (Neu5Gc vs Neu5Ac). Sia also plays a central role in inflammation by influencing binding of the asialoglycoprotein receptor 1 (ASGR‐1), Siglec‐1 (Sialoadhesin), and cellular interactions mediated by the selectin, integrin, and galectin receptor families. This review will focus on what is known about basic Sia structure and function in association with xenotransplantation, how changes in sialylation may occur in this context (through desialylation or changes in sialyltransferases), and how this fundamental pathway modulates adhesive and cell activation pathways that appear to be particularly crucial to homeostasis and inflammation for xenografts.

Journal

XenotransplantationWiley

Published: Jan 1, 2017

Keywords: ; ; ; ;

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