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Immunol Today. 1993 Oct;14(10):480-2.

Interaction of the natural anti-Gal antibody with alpha-galactosyl epitopes: a major obstacle for xenotransplantation in humans.

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  • 1Dept of Microbiology and Immunology, Medical College of Pennsylvania, Philadelphia 19129.

Abstract

Cells of nonprimate mammals express an abundance of the carbohydrate structure Gal alpha 1-3 Gal beta 1-4 GlcNac-R (termed the alpha-galactosyl epitope). The natural anti-Gal antibody, which interacts specifically with alpha-galactosyl epitopes, is present in high concentrations in all humans. Here, Uri Galili argues that the interaction between anti-Gal in the serum and alpha-galactosyl epitopes on cells of nonprimate grafts may act as an immunological barrier which prevents xenotransplantation.

PMID:
7506033
[PubMed - indexed for MEDLINE]
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