科普專欄–薯不揀單 - 深入淺出–關於耳垢的一道研究

除髮色膚色外，耳垢(cerumen)也有種族之分的。552Please respect copyright.ＰＥＮＡＮＡWT6IBoGufu
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（圖2）有研究指出（Ref1)，80-95%的東亞地區人，30-50%的南亞、北美人，552Please respect copyright.ＰＥＮＡＮＡevHyOQt06H
耳垢均呈乾身狀態。552Please respect copyright.ＰＥＮＡＮＡcY0WODEwl4
然而，只有3%左右的歐洲及非洲人擁有這個乾身耳垢特質。552Please respect copyright.ＰＥＮＡＮＡWAFuY03N3a
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經一輪比對後，科學家認為共有四條基因對耳垢到底是濕是乾有著重大的影響力，分別為ABCC12, ABCC11, LONPL and SIAH1。552Please respect copyright.ＰＥＮＡＮＡKepMY2Phw9
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（圖3）研究中的126名日本人，有88名乾身耳垢人士，38名濕身耳垢人士。552Please respect copyright.ＰＥＮＡＮＡXpr9mpwzag
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乾身耳垢88人之中，87人兩條ABCC11基因某個區域均為AA英文字母。552Please respect copyright.ＰＥＮＡＮＡoUunUFpP6y
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而濕身耳垢38人之中，兩條ABCC11基因某個區域均為GG英文字母，又或者是一條基因為A，一條基因為G。552Please respect copyright.ＰＥＮＡＮＡTb6skEjtMS
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其後科學家亦證實，該基因區域的英文字母，將對ABCC11蛋白質的功用有著重大的影響。552Please respect copyright.ＰＥＮＡＮＡyFVTPYBQza
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耳垢是濕是乾，對健康有沒有影響暫時尚未清楚。現今開始亦有研究嘗試透過檢測耳垢的狀況來判斷人體的健康狀況，處於初步及有爭論性的階段之中。552Please respect copyright.ＰＥＮＡＮＡxhj8LP9Nyf
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各種族的ABCC11基因變異情況，可參閱這圖表：https://www.nature.com/articles/ng1733/tables/1552Please respect copyright.ＰＥＮＡＮＡKUdgazbO2y
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說到尾，你的耳垢，是乾還是濕呢？552Please respect copyright.ＰＥＮＡＮＡE7EYIsLUvX
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如果想我快啲出文的話，請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark，這對我非常之重要。552Please respect copyright.ＰＥＮＡＮＡjOF5f3KPQE
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Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc552Please respect copyright.ＰＥＮＡＮＡm9axbVP1eM
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同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」，以課金的方式推動我繼續搜羅資料寫文，多謝。552Please respect copyright.ＰＥＮＡＮＡwldK021371
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Link:552Please respect copyright.ＰＥＮＡＮＡiFxgvSN3aC
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio552Please respect copyright.ＰＥＮＡＮＡB7mKK8a2h6
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有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。552Please respect copyright.ＰＥＮＡＮＡWaJKkpL82U
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https://www.instagram.com/potatopigtongue/552Please respect copyright.ＰＥＮＡＮＡw5FmrZnkEL
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Ref1:https://www.nature.com/articles/ng1733552Please respect copyright.ＰＥＮＡＮＡiPMuwoWSnQ
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耳垢圖取自wiki:https://en.wikipedia.org/wiki/Earwax552Please respect copyright.ＰＥＮＡＮＡI9QtdF8fBC

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