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KMID : 1005220070220040213
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Journal of Embryo Transfer
2007 Volume.22 No. 4 p.213 ~ p.218
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Effect of Vascular Endothelial Growth Factor on Porcine In Vitro Maturation
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Biswas Dibyendu
Hyun Sang-Hwan
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Abstract
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This study was performed to investigate the effect of VEGF on in vitro maturation of porcine oocytes. The base medium for IVM, TCM-199 was supplemented with 0.6 mM cysteine, 0.91 mM pyruvate, 10 ng/ml epidermal growth factor, kenamycin, insulin and 10% (V/V) porcine follicular fluid (pFF) as a Group A; Group B was consists of Group A plus 5 ng/ml VEGF; Group C was consists of replacement of pFF by 10% PVA and Group D: was consists of Group C plus 5 ng/ml VEGF. 1. The maturation rate was significantly higher (p<0.05) in control and VEGF+pFF group than other two groups (, respectively). 2. Addition of VEGF without pFF showed a negative effect on oocytes maturation and about 58.26% oocytes were reached to M-II stage. 3. In the parthenogenetic development, the cleavage rate was significantly higher (p<0.05) in control and VEGF+pFF group (, respectively) than other groups (, respectively). 4. The blastocyst formation rate was significantly higher (p<0.05) in VEGF+pFF group () compared to control and other groups. 5. There was no significant difference in cell numbers (inner cell mass or trophectoderm) among these groups.
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KEYWORD
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VEGF, porcine IVM, parthenogenesis, protein kinase
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