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。1078Please respect copyright.PENANAolI7FXs4Aw
1078Please respect copyright.PENANADxp9mmEuPM
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。1078Please respect copyright.PENANAyxV1xGTl5c
1078Please respect copyright.PENANAd0Y7uKQBNc
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。1078Please respect copyright.PENANAFJW7TvWUWg
1078Please respect copyright.PENANACZkNozoohO1078Please respect copyright.PENANAdO5BqchCTc
1078Please respect copyright.PENANAb3iCaes8Tt
(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。1078Please respect copyright.PENANAsBeilwMlR8
1078Please respect copyright.PENANAvtMoLbq7qR
1078Please respect copyright.PENANA5ZX28NFo261078Please respect copyright.PENANAoln4vQqkRN
1078Please respect copyright.PENANAtZSX9M2rFH
(圖2)訊息在神經線中主要是以電流的方式傳遞。1078Please respect copyright.PENANAX6VR5AqXJG
1078Please respect copyright.PENANAmautsibcYr
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。1078Please respect copyright.PENANAvM1p4CVJUu
1078Please respect copyright.PENANA8ZaVv8pGDk
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。1078Please respect copyright.PENANAknKTumtM9j
1078Please respect copyright.PENANAM4mceXiFUz
1078Please respect copyright.PENANAsyg1hz8az11078Please respect copyright.PENANAhOm8bVgCXG
1078Please respect copyright.PENANAaZdE4ZuS9h
(圖3)神經線空隙的AChE負責分解ACh,以免電流長期持續產生。1078Please respect copyright.PENANAYK4CGlil0H
1078Please respect copyright.PENANAlfps6kxGx4
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。1078Please respect copyright.PENANA4FP3LLkOwN
1078Please respect copyright.PENANAqsRoecsvYf
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。1078Please respect copyright.PENANAizxcJd7AVe
1078Please respect copyright.PENANAQXRRnAplb6
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。1078Please respect copyright.PENANAUlgMBOsF0N
1078Please respect copyright.PENANASJNSfdFT96
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。1078Please respect copyright.PENANAi1A7lc3Vam
1078Please respect copyright.PENANAYxF1xutRrg
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/toc1078Please respect copyright.PENANA3lD5gacR2x
1078Please respect copyright.PENANAsOlErJenl5
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。1078Please respect copyright.PENANABikpaNlpFh
1078Please respect copyright.PENANAU7eYsuyTab
Link:1078Please respect copyright.PENANAnIuunWDBiB
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio1078Please respect copyright.PENANAQA79wBZdhC
1078Please respect copyright.PENANA5eEOuHccK3
1078Please respect copyright.PENANAHtkxAKlg1t
有興趣接收科普資訊的話,歡迎follow IG: potatopigtongue。1078Please respect copyright.PENANA4OhfrEcgvC