科普專欄–薯不揀單 - 三十秒科學–你敢唔敢食？

癌細胞有各種手段逃避我們身體免疫系統的追捕，其中之一的手段就是在表面上表達名為PDL1的蛋白質。756Please respect copyright.ＰＥＮＡＮＡZiYYECc4fh
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免疫系統細胞表面的PD1蛋白質與PDL1確認的話，便不會追殺癌細胞，任由惡勢力增長。756Please respect copyright.ＰＥＮＡＮＡXs0YnK1F72
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（圖2）用抗體阻擋PD1，導致免疫系統細胞不再受癌細胞蒙騙，繼而懂得消滅癌細胞，就是免疫治療的精髓所在。756Please respect copyright.ＰＥＮＡＮＡ8cc71VZpzn
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只不過，若癌細胞沒有表達PDL1蛋白質的話，此方法便不奏效。756Please respect copyright.ＰＥＮＡＮＡhpDHgV0FFK
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而且就算癌細胞真的是有表達PDL1蛋白質，此方法對某一些病人亦不太見效。756Please respect copyright.ＰＥＮＡＮＡC9cZb0jEWj
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免疫治療延伸閱讀:https://www.penana.com/article/471125756Please respect copyright.ＰＥＮＡＮＡgBljRbYFKC
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（圖3）有研究發現，腸道的細菌群組能夠影響免疫治療的效果。756Please respect copyright.ＰＥＮＡＮＡ90YkmUuDnj
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因此，有臨床研究嘗試將對免疫治療有效的病人的腸道細菌，以手術及口服糞便藥丸的方法移植到對免疫治療無效的病人腸道，試驗能否增強免疫治療的效用。756Please respect copyright.ＰＥＮＡＮＡDV3AQI8A89
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（圖4）利用糞便移植手段，原先對免疫治療無效的病人亦出現顯著的效果。756Please respect copyright.ＰＥＮＡＮＡ3gUjmRnosf
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是次研究共有五名試驗者，有三名出現了正面效果。其中一名病患在半個月後，身上的皮膚癌更是完全消失。756Please respect copyright.ＰＥＮＡＮＡOFnASQmom6
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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。756Please respect copyright.ＰＥＮＡＮＡ9A1fJ4GGWc
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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/toc756Please respect copyright.ＰＥＮＡＮＡVArxf3UaLc
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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。756Please respect copyright.ＰＥＮＡＮＡ1jdalEMGxi
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https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio756Please respect copyright.ＰＥＮＡＮＡotHzzPlerf
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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。756Please respect copyright.ＰＥＮＡＮＡmSmAxPS99C
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Ref1:https://science.sciencemag.org/content/early/2020/12/09/science.abb5920756Please respect copyright.ＰＥＮＡＮＡmdvw1kLhXE

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