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KMID : 1023620100340030207
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Reproductive and Developmental Biology
2010 Volume.34 No. 3 p.207 ~ p.211
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Effects of Serum Addition and Different Culture Media on Growth of Porcine Preantral Follicles In Vitro
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Diao Yun-Fei
Kim Hong-Rye
Han Rong-Xun
Kim Myung-Yoon
Park Chang-Sik
Jin Dong-Il
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Abstract
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Current developments in IVF and animal cloning have resulted in increasing demand for large quantities of oocytes and ovarian follicles at specific stages of development. These medical and scientific needs may be met by developing an optimal culture system for preantral follicles. In this study, we investigated the growth of porcine preantral follicle cultures in different media and in the presence and absence of serum. Follicles were manually dissected from ovaries obtained from prepubertal gilts at a local slaughterhouse, and cultured for 3 days in M199 or NCSU23 medium supplemented with porcine FSH, transferrin, L-ascorbic acid and insulin. Follicle diameters were measured on day 1 and 3 of culture. In Experiment 1, the effect of supplementing culture medium with fetal calf serum (FCS) on porcine preantral follicle growth was examined. In the group of cultures supplemented with FCS, follicle diameter after 3 days of culture, survival rate and antrum formation rate in the FCS group were significantly higher than those of the control group. In Experiment 2, the effects of culture medium (M199 and NCSU23) on follicle growth were compared. Follicle diameters were increased in the M199 group, compared with those in NCSU23 (p<0.05), but we observed no significant differences in survival and antrum formation rates between cultures grown in the two media. In conclusion, supplementation of the culture medium with serum enhances preantral follicle growth and antrum formation, and M199 is superior to NUSU23 for porcine preantral follicle culture in vitro.
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KEYWORD
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Porcine preantral follicle, Serum, Culture medium, In vitro
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