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。713Please respect copyright.PENANANfD2TJ7b2h
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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。713Please respect copyright.PENANA9hLs0dtYHt
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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。713Please respect copyright.PENANAHXZ7drfzBE
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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。713Please respect copyright.PENANAw8NybkFDXB
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(圖2)訊息在神經線中主要是以電流的方式傳遞。713Please respect copyright.PENANA4sE1e6LRAk
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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。713Please respect copyright.PENANA4LqOCjMKaW
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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。713Please respect copyright.PENANANa5OzFWL2e
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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。713Please respect copyright.PENANApzEPcEdTCN
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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。713Please respect copyright.PENANAdTvgsRWsBe
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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。713Please respect copyright.PENANAaXEePqTq9d
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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。713Please respect copyright.PENANACmU8C7vVeU
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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。713Please respect copyright.PENANAcQRrr2X4pn
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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/toc713Please respect copyright.PENANA0AGR5ysd3J
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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。713Please respect copyright.PENANABRNTqN8i0K
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Link:713Please respect copyright.PENANA8sCaVQviu9
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio713Please respect copyright.PENANAPI578PyG4K
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有興趣接收科普資訊的話,歡迎follow IG: potatopigtongue。713Please respect copyright.PENANAWRQtPtmqv9
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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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