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題 名 | Effect of Methylglyoxal on Mouse Embryogenesis=不同濃度之甲基乙二醛(Methylgloyoxal)對著床前小白鼠胚發育之影響 |
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作 者 | 張維君; 謝耀元; 鄭自君; 張其真; 蔡鴻德; 李茂盛; | 書刊名 | 長庚醫學 |
卷 期 | 24:4 2001.04[民90.04] |
頁 次 | 頁251-257 |
分類號 | 417.131 |
關鍵詞 | 胚胎毒性; 甲基乙二醛; 小白鼠胚; Embryotoxicity; Methylglyoxal; Mouse embryo; |
語 文 | 英文(English) |
英文摘要 | Background: Methylglyoxal (MG), a highly active and mutagenetic compound, has been found widely in a variety of foods and beverages. We investigated the effect of MG on mouse embryo development in-vitro. Methods: Two-cell mouse embryos were divided into six groups according to the MG concentration in the culture medium: Group 1 (control group). 0 mM; Group 2, 10-4 mM; Group 3, 10-3 mM; Group 4, 10-2 mM; Group 5, 10-1 mM; Group 6, 1 mM. Embryo development and cleavage were compared every day for 5 days. Results: The percentages of embryos reaching blastocyst/ hatching stages were as follows: Group 1, 66.8%/34.2%; Group 2, 67.9%/38.7%; Group 3, 56.2%/31.5%; Group 4, 39.4%/14.1%; Group 5, 11.4%/10.2%; Group 6, 0%/0%. Higher MG concentrations (310-2 mM) were associated with morphological aberrations and blocked development of embryos. Conclusion: The cutoff value of MG concentration on the mouse embryo development in-vitro is 10-2 mM. An increased risk of embryotoxicity occurs with MG concentrations 310-2 mM in vitro. There were no significant effects on the growth rate at MG concentrations of 10-3 and 10-4 mM. (Chang Gung Med J 2001;24:251-7) |
本系統中英文摘要資訊取自各篇刊載內容。