Effects of BSA, PVA, Gonadotropins and Follicle Shell on In Vitro Maturation and In Vitro Fertilization of Porcine Oocytes

Cong, Pei-Qing; Song, Eun-Sook; Kim, Eui-Sook; Li, Zhao-Hua; Zhang, Yong-Hua; Yi, Young-Joo; Park, Chang-Sik

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자료유형: 학술저널

저자정보: Cong, Pei-Qing (Research Center for Transgenic Cloned Pigs, Chungnam National University) Song, Eun-Sook (Research Center for Transgenic Cloned Pigs, Chungnam National University) Kim, Eui-Sook (Research Center for Transgenic Cloned Pigs, Chungnam National University) Li, Zhao-Hua (Research Center for Transgenic Cloned Pigs, Chungnam National University) Zhang, Yong-Hua (Research Center for Transgenic Cloned Pigs, Chungnam National University) Yi, Young-Joo (Research Center for Transgenic Cloned Pigs, Chungnam National University) Park, Chang-Sik (Research Center for Transgenic Cloned Pigs, Chungnam National University)

저널정보: 한국동물번식학회 한국동물번식학회지 한국동물번식학회지 제31권 제2호

발행연도: 2007.1

수록면: 61 - 69 (9page)

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This study was designed to evaluate effects of BSA, PVA, gonadotropins and follicle shell during IVM of porcine oocytes and subsequent development to the blastocyst stage after IVF. Cumulus oocyte complexes (COCs) were cultured in TCM-199 media containing 4 mg/ml BSA and 1 mg/ml PVA during IVM for 44 hr. To compare the effect of gonadotropins on oocyte maturation, COCs were cultured with FSH+LH, FSH, LH and FSH-LH-free media during IVM. respectively. Also, different number of follicle shells (0, 2, 4 and 6) was used to examine whether the presence of follicle shell in culture medium affects oocyte maturation. The percentages of fertilization and blastocyst formation, respectively, were higher in the medium containing the PVA (49.0 and 17.9%) than those containing the BSA (40.0 and 12.2%). Significantly higher rates of Mil oocytes were in the presence of FSH+LH and FSH (88.6 and 85.1 %) compared to other treatments (64.0 and 53.4% at LH and FSH-LH-free media). Co-culture with inverted follicle shells in 2 ml maturation medium enhanced the developmental competence of porcine oocytes. In conclusion, PVA could be used as a macromolecules instead of BSA, and FSH and follicle shell played important roles in maturation of porcine oocytes.

#In vitro maturation #Gonadotropins #Follicle shell #In vitro fertilization #Porcine oocytes

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