Investigation of SLA class I and II haplotypes in the NIH miniature pigs |
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Authors: | Woo-Young Jung Dong-Won Seo Nu-Ri Choi Jun-Heon Lee Dong-Il Jin Seong-Soo Hwang Byoung-Chul Yang Hak-Jae Chung Kyung-Woon Kim Jin-Ki Park Hwi-Cheul Lee |
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Affiliation: | 1. Department of Animal Science and Biotechnology, Chungnam National University, Daejeon, 305-764, Korea 2. Animal Biotechnology Division, National Institute of Animal Science, RDA, Suwon, 441-706, Korea
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Abstract: | Xenotransplantation involves the transplantation of organs, tissues and cells from one species to another. A major barrier to successful xenotransplantation is the rejection of the donor tissue by the recipient immune system. Swine leukocyte antigens (SLA) are important molecules within the immune system and play an essential role in fighting infectious diseases and viruses. The present study investigated three SLA class I (SLA-1, SLA-3 and SLA-2) and three SLA class II (DRB1, DQB1 and DQA) alleles in 60 NIH miniature pigs using PCR with sequence-specific primers (PCR-SSP). As the results, nine combinations of SLA class I and II haplotypes, comprising of three homozygous and six heterozygous haplotypes, were examined. The SLA homozygous haplotype Lr-2.4/2.4 was the most prevalent, with an overall frequency of 28.3% (17/60) and heterozygous haplotype Lr-2.2/4.4 was the second most common (20.0%; 12/60), followed by haplotype Lr-4.2/4.2 (16.7%; 10/60), Lr-2.2/2.4 (15.0%; 9/60), Lr-2.2/2.2 (5.0%; 3/60), Lr-2.2/4.2 (5.0%; 3/60), Lr-2.4/4.4 (5.0%; 3/60) and Lr-2.2/3.3 (3.3%; 2/60), Lr-4.2/4.4 (1.7%; 1/60), respectively. These results provide useful information that can be used to establish highly inbred pig lines with fixed SLA homozygous alleles and haplotypes. |
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