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。697Please respect copyright.PENANAW6VEwHUxD1
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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。697Please respect copyright.PENANAOjyEEpHqOa
697Please respect copyright.PENANAUvcf2CS3Pi
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。697Please respect copyright.PENANA7J9FF0xs5k
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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。697Please respect copyright.PENANAH1zrtPDCbG
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(圖2)訊息在神經線中主要是以電流的方式傳遞。697Please respect copyright.PENANAixIH5lXnSi
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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。697Please respect copyright.PENANAB8iQ1S7vY7
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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。697Please respect copyright.PENANA2hb1vEd6V6
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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。697Please respect copyright.PENANAoGDUiCO4j5
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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。697Please respect copyright.PENANAU1qZezwkUq
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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。697Please respect copyright.PENANAVHHEzqnK0d
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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。697Please respect copyright.PENANAENBcKQLdmt
697Please respect copyright.PENANAADXC5hnHWY
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。697Please respect copyright.PENANAAOAOqsMc7u
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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/toc697Please respect copyright.PENANAecYo8SjgDO
697Please respect copyright.PENANAPzh9YpEns1
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。697Please respect copyright.PENANAAWJpmaVbiq
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Link:697Please respect copyright.PENANAhMipjULHAL
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio697Please respect copyright.PENANAiE938qVJrV
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有興趣接收科普資訊的話,歡迎follow IG: potatopigtongue。697Please respect copyright.PENANAuukPVDVRP2
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科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #39
深入淺出–俄國神經毒素Novichok
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