腸道發炎的時候,腸道會製造一些游離基(Reactive oxygen species)用來消滅外來的入侵者。426Please respect copyright.PENANAEkJsBTzDyC
較為常見的游離基就是H2O2 ,亦即是俗稱為雙氧水的化學物。426Please respect copyright.PENANAnqnmExdHIN426Please respect copyright.PENANAgensXuJ2I2
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當細菌接受過多的游離基侵襲,便會死去。426Please respect copyright.PENANA54HPOIxpKo
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(圖2)奈何道高一呎,魔高一丈,有一些細菌內含化解雙氧水的蛋白酶,更把雙氧水化解而成的氧氣供自己所用,不但不受損傷,反而加快自己的生長速度。426Please respect copyright.PENANAeQ0h6XEPnV426Please respect copyright.PENANAPXRRLAsfDV
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(圖3)腸道發炎產生的游離基,腸道一隻名為NOX1的蛋白質有份參與製作的過程。426Please respect copyright.PENANA52JJnHxU7N426Please respect copyright.PENANAWKSeVYJ5o5
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當NOX1蛋白質在老鼠身上除去後,腸道發炎其間,那些擁有化解雙氧水及運用氧氣特性的細菌亦再也沒能快速滋長,奠定了腸道發炎時產生的游離基對個別細菌類別的影響。426Please respect copyright.PENANAHYwOp7Ip35
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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。426Please respect copyright.PENANAmi6fWjyxqj
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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/toc426Please respect copyright.PENANALxNGEioMJa
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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。426Please respect copyright.PENANAv906RxhVwS
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Link:426Please respect copyright.PENANAhKlhDmW9lp
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio426Please respect copyright.PENANAVaiMYANie1
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基於WhatsApp/Facebook等問題,IG將不會再作更新,只會寄居本土LIHKG及Penana。426Please respect copyright.PENANAvfXnHZzf3a
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Ref1:https://pubmed.ncbi.nlm.nih.gov/33053375/
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