Investigation of blood typing method for seoul National University miniature pig.
TRANSPLANTATION PROCEEDINGS(2009)
摘要
Pig blood group antigens may be present on grafted tissue as 16 isoforms, including the major one, A substrance. Seoul National University (SNU) miniature pigs and domestic pigs were used in this study. Polymerase chain reaction (PCR) was performed for the erythrocyte antigen A (EAA) gene, and reverse transcriptase-PCR for pig A transferase fucosyl transferase (FUT) 1 and FUT-2. The hem agglutination test was performed with murine monoclonal anti-A and anti-B antibodies (mAb), and immunohistochemistry with anti-human blood antigen mAb. SNU miniature and domestic pigs showed blood groups A and O. Blood group A SNU miniature pigs expressed either EAA(AA) or EAA(AO) and either S-SS or S-SO; blood group O miniature pigs expressed EAA(OO) and S-SS or S-SO, and there was no A(weak). Additionally, blood group A could be divided into blood group A(clotting) and blood group A(not clotting) in hemagglutination tests. Pig A substance was expressed in the lung and kidney in blood group A pigs, but we could not detect pig A substance expression in the lung, kidney, and heart of blood group O pigs or the heart of blood group A pigs. In conclusion, we suggest that blood typing of SNU miniature pigs can be easily performed using immunohistochemistry, PCR, and/or RT-PCR. Molecular-based AO typing described in this study may be useful to select SNU miniature pigs bearing a specific blood group.
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关键词
blood groups,polymerase chain reaction,reverse transcriptase,immunohistochemistry
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