2018年3月，前俄羅斯間謀Sergei Skripai及其女兒在英國被人下毒，毒藥被證實為蘇聯在冷戰時期所研發的神經毒素Novichok。886Please respect copyright.ＰＥＮＡＮＡmltVtTEx6c
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2020年8月20日，一名極力反對普京的社會領袖Alexei Navalny，亦遭受到同類型的毒素傷害，表面證據暫時相信為被人在茶裡下毒。886Please respect copyright.ＰＥＮＡＮＡ87HkXzMBtj
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本篇深入淺出，將會簡述神經系統的運作，以及神經毒素Novichok的機制。886Please respect copyright.ＰＥＮＡＮＡCBgdqACOKo
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（圖1）神經線負責傳遞信息，為身體內的橋樑。橋樑並不是緊密相扣著的，一條神經線質另一條神經線互相均有著一道空隙。886Please respect copyright.ＰＥＮＡＮＡpCs08gK4vq
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（圖2）訊息在神經線中主要是以電流的方式傳遞。886Please respect copyright.ＰＥＮＡＮＡdhxv7GR5K7
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電流來到神經線A的末端後，便會觸發ACh釋出，使ACh來到神經線之間的空隙。886Please respect copyright.ＰＥＮＡＮＡg1uf2pN2jo
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ACh與另一神經線的Receptor結合後，便會觸發新一道的電流產生，使訊息一直能傳遞到終點。886Please respect copyright.ＰＥＮＡＮＡ13JOVnVIpQ
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（圖3）神經線空隙的AChE負責分解ACh，以免電流長期持續產生。886Please respect copyright.ＰＥＮＡＮＡlPG0i8LxZa
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而俄國最愛的神經毒素Novichok則會與AChE合併及抑制AChE的功能，導致ACh不會被分解，使ACh無了期與神經線的Receptor結合，長期產生神經線電流的傳播，導致患者出現抽搐、癲癇等症狀，沒能適時治療的話更會導致死亡。886Please respect copyright.ＰＥＮＡＮＡdjO0uQ1t8f
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解毒劑暫時有幾種，Atropine能阻截ACh與Receptor合併，Pralidoxime能夠促使Novichok無法與AChE結合。886Please respect copyright.ＰＥＮＡＮＡPR76O3zgeh
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這些解毒劑雖然可以使患者康復起來，但患者的認知及肌肉功大有可能會有收到永久性的損害。886Please respect copyright.ＰＥＮＡＮＡRb1eWUF9ZW
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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。886Please respect copyright.ＰＥＮＡＮＡ6ccxyMYn1q
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