Production of α-1,3-Galactosyltransferase Knockout Pigs by Nuclear Transfer Cloning

Author:

Lai Liangxue1,Kolber-Simonds Donna2,Park Kwang-Wook1,Cheong Hee-Tae13,Greenstein Julia L.2,Im Gi-Sun14,Samuel Melissa1,Bonk Aaron1,Rieke August1,Day Billy N.1,Murphy Clifton N.1,Carter David B.15,Hawley Robert J.2,Prather Randall S.1

Affiliation:

1. Department of Animal Science,

2. Immerge BioTherapeutics Inc., Charlestown, MA 02129, USA.

3. Department of Veterinary Medicine, College of Animal Resource Science, Kangwon National University, Chunchon 200-701, Korea.

4. National Livestock Research Institute, Suwon 441-350, Korea.

5. Department of Veterinary Pathobiology, University of Missouri, Columbia, MO 65211, USA.

Abstract

The presence of galactose α-1,3-galactose residues on the surface of pig cells is a major obstacle to successful xenotransplantation. Here, we report the production of four live pigs in which one allele of the α-1,3-galactosyltransferase locus has been knocked out. These pigs were produced by nuclear transfer technology; clonal fetal fibroblast cell lines were used as nuclear donors for embryos reconstructed with enucleated pig oocytes.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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