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    請使用永久網址來引用或連結此文件: http://libir.tmu.edu.tw/handle/987654321/20161


    題名: Multiple rearrangements of mitochondrial DNA in unfertilized human oocytes.
    作者: 謝榮鴻
    Hsieh RH;Tasi NM;Au HK;Chang SJ;Wei YH;Tzeng CR.
    貢獻者: 保健營養學系
    日期: 2002
    上傳時間: 2009-11-23 12:31:11 (UTC+8)
    摘要: OBJECTIVE: To determine the rearrangement of mitochondrial DNA (mtDNA) in unfertilized human oocytes and compromised embryos to evaluate the fertilization capacity of oocytes.

    DESIGN: Prospective laboratory research.

    SETTING: IVF laboratory in a university hospital.

    PATIENT(S): One hundred twenty-four unfertilized oocytes, 98 arrested embryos, and 45 tripronucleate (3PN) embryos from 65 female patients undergoing in vitro fertilization (IVF).

    INTERVENTION(S): Unfertilized oocytes and poor quality embryos were collected 48 hours after IVF.

    MAIN OUTCOME MEASURE(S): Comparison of the frequency of mtDNA deletions and fertilization rates of oocytes.

    RESULT(S): Multiple deletions of mtDNA were found in unfertilized oocytes and arrested embryos obtained from IVF patients. A 4977-bp deletion was the most frequent deletion in human oocytes and embryos. About 66.1% of the unfertilized oocytes, 34.8% of the arrested or fragmented embryos, and 21.1% of the 3PN embryos harbored the 4977-bp deletion of mtDNA. There was a significant increase in the proportion of deleted mtDNA in unfertilized oocytes.

    CONCLUSION(S): Accumulation of mtDNA deletions may contribute to mitochondrial dysfunction and impaired ATP production. We conclude that the accumulation of rearranged mtDNA may interfere with fertilization of human oocytes and further embryonic development.
    關聯: Fertility and Sterility.(77):1012-1017.
    顯示於類別:[保健營養學系暨研究所] 期刊論文

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