科普專欄–薯不揀單 - 深入淺出–關於精子尾部的研究

精子與卵子的融合，象徵著一個新生命的誕生。415Please respect copyright.ＰＥＮＡＮＡKWlgp1Khmw
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（圖2）近來陸續有研究發現，精子的尾部有著名為Glycylation的結構，由至少三個名為Glycine的氨基酸組成。415Please respect copyright.ＰＥＮＡＮＡIXkBWpSPvp
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（圖3）尾部擁有Glycylation結構的精子，接近9成時間都會直行。415Please respect copyright.ＰＥＮＡＮＡ44DcaHMRJ2
而缺乏該結構的精子，則有接近8成的時間會原地打轉。415Please respect copyright.ＰＥＮＡＮＡ6pIkqyPGds
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（圖4）大概是高機率原地轉圈的關係，尾部缺乏Glycylation結構的精子，與卵子結合的機率將會大減。415Please respect copyright.ＰＥＮＡＮＡILuH1B8w9x
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尾部缺乏Glycylation結構的精子，其蛋白質Dynein的內部組成結構亦有所不同。415Please respect copyright.ＰＥＮＡＮＡxfFBv2lJ75
這亦相信是導致精子原地轉圈的主要原因之一。415Please respect copyright.ＰＥＮＡＮＡZLmYkM8fHH
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如何讓男士們的精子尾部結構保持合適數量的Glycylation結構，將有可能是解決不育的其中一道手段。415Please respect copyright.ＰＥＮＡＮＡ7NVRKdco9F
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Ref1:https://science.sciencemag.org/content/371/6525/eabd4914415Please respect copyright.ＰＥＮＡＮＡYvMCzInAnv

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