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논문 기본 정보

자료유형
학술저널
저자정보
Byambaragchaa, Munkhzaya (Animal Biotechnology, Graduate School of Future Convergence Technology, Department of Animal Life Science, Institute of Genetic Engineering, Hankyong National University) Min, Kwan-Sik (Animal Biotechnology, Graduate School of Future Convergence Technology, Department of Animal Life Science, Institute of Genetic Engineering, Hankyong National University)
저널정보
한국동물번식학회 한국동물번식학회지 한국동물번식학회지 제42권 제2호
발행연도
2018.1
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7 - 12 (6page)

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In this review, we have tried to summarize the evidence and molecular characterization indicating that $20{\alpha}$-hydroxysteroid dehydrogenase ($20{\alpha}$-HSD) is a group of the aldo-keto reductase (AKR) family, and it plays roles in the modulation and regulation of steroid hormones. This enzyme plays a critical role in the regulation of luteal function in female mammals. We have studied the molecular expression and regulation of $20{\alpha}$-HSD in cows, pigs, deer, and monkeys. The specific antibody against bovine $20{\alpha}$-HSD was generated in a rabbit immunized with the purified recombinant protein. The mRNA expression levels increased gradually throughout the estrous cycle, the highest being in the corpus luteum (CL) 1 stage. The mRNA was also specifically detected in the placental and ovarian tissues during pregnancy. The $20{\alpha}$-HSD protein was intensively localized in the large luteal cells and placental cytotrophoblast villus, glandular epithelial cells of the endometrium, syncytiotrophoblast of the placenta, the isthmus cells of the oviduct, and the basal part of the primary chorionic villi and chorionic stem villus of the placenta and large luteal cells of the CL in many mammalian species. Further studies are needed to determine the functional significance of the $20{\alpha}$-HSD molecule during ovulation, pregnancy, and parturition. This article will review how fundamental information of these enzymes can be exploited for a better understanding of the reproductive organs during ovulation and pregnancy.

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