형질전환 돼지의 정자와 일반돼지의 정자성상에 대한 비교평가
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서지정보
ㆍ발행기관 : 한국수정란이식학회
ㆍ수록지정보 : Journal of Embryo Transfer / 32권 / 3호
ㆍ저자명 : 박상현, 이건섭, 이주영, 김경운, 변승준, 옥선아, 황성수, 양현, 우제석, 오건봉
ㆍ저자명 : 박상현, 이건섭, 이주영, 김경운, 변승준, 옥선아, 황성수, 양현, 우제석, 오건봉
영어 초록
Pig has been known to be one of the most feasible animals as a bioreactor to produce pharmaceuticals in milk and as a mediator in xenotransplantation research. Previously, we generated transgenic pigs for both purposes, which were expressing Factor 8, vWF, hTPA, and hEPO in milk, along with expression of MCP at GalT gene locus (GalT-MCP/-MCP) as well as expressing MCP at GalT gene loci with CD73 expression (GalT-MCP/+/CD73). In this study, we performed comparative analyses of sperm parameters between wild type male (WT) pig and those transgenic males to examine the effects of transgenes integrated into the pigs on motility, morphology, viability, and acrosome integrity of the spermatozoa. Our results showed that the rates of actively motile spermatozoa of WT, Factor 8, vWF, hTPA, hEPO, GalT-MCP/+/CD73, and GalT-MCP/-MCP pigs were 85.0%, 83.3%, 82.5%, 83.3%, 82.5%, 77.5%, and 78.7%, respectively. Whereas, the rates of morphologically normal spermatozoa of WT, Factor 8, vWF, hTPA, hEPO, GalT-MCP/+/CD73, and GalT-MCP/-MCP pigs were 90.0%, 80.0%, 80.0%, 83.3%, 85.0%, 91.8%, and 80.8%, respectively. In addition, the viability in spermatozoa of WT, Factor 8, vWF, hTPA, hEPO, GalT-MCP/+/CD73, and GalT-MCP/-MCP pigs were 93.9%, 82.4%, 89.9%, 83.9%, 87.4%, 92.8%, and 83.6%, respectively. The rates of spermatozoa with normal acrosome integrity in WT, Factor 8, vWF, hTPA, hEPO, GalT-MCP/+/CD73, and GalT-MCP/-MCP pigs were 98.1%, 98.6%, 98.6%, 98.7%, 98.1%, 99.5%, and 95.1%, respectively. There were no significant differences in motility, morphology, viability, and acrosome integrity of the spermatozoa among WT, Factor 8, vWF, hTPA, and hEPO, GalT-MCP/+/CD73, and GalT-MCP/-MCP pigs. These mean that neither random integration nor targeted integration of the transgene into chromosome of pig effect on characteristics of spermatozoa. Ultimately, the transgenic male pigs subjected in this study could apply to propagate their progenies for production of human therapeutic proteins and advancing the xenotransplantation research.참고 자료
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