John Bracy

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The major barrier to transplantation across discordant species, such as from pig to human, is rejection mediated by xenoreactive natural antibodies (XNA) that bind the carbohydrate epitope Galalpha1-3Galbeta1-4GlcNAc-R (alphaGal) on donor tissues. This epitope is synthesized by the enzyme glucosyltransferase uridine 5'-diphosphate(More)
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