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。920Please respect copyright.PENANA0jvHGl2Bqi
920Please respect copyright.PENANAmwF3M4Rs2R
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。920Please respect copyright.PENANAyDmbpYRcyu
920Please respect copyright.PENANA6g4WvcoHzj
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。920Please respect copyright.PENANAjIQjajXkB0
920Please respect copyright.PENANAQ8YFJemicX920Please respect copyright.PENANArQhznMBJlg
920Please respect copyright.PENANA1SgXmmkx3l
(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。920Please respect copyright.PENANAlVnZl4YVgo
920Please respect copyright.PENANA5Ft4PIKXaN
920Please respect copyright.PENANA1WfUyJmVNr920Please respect copyright.PENANAeIlBzF0CTC
920Please respect copyright.PENANA3Tq4ewKBSe
(圖2)訊息在神經線中主要是以電流的方式傳遞。920Please respect copyright.PENANAsd0QvXy3Ny
920Please respect copyright.PENANAG90SFCJn2c
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。920Please respect copyright.PENANAtRLLvsS9Vu
920Please respect copyright.PENANArJyaPHSdju
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。920Please respect copyright.PENANAafJSuxxlh2
920Please respect copyright.PENANA6YdND26USG
920Please respect copyright.PENANAwwDH7Br9O5920Please respect copyright.PENANAjSeXGMTtA9
920Please respect copyright.PENANAYoMnlgnVUN
(圖3)神經線空隙的AChE負責分解ACh,以免電流長期持續產生。920Please respect copyright.PENANAwXhKqOvfoG
920Please respect copyright.PENANAv4GIz54LIQ
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。920Please respect copyright.PENANAkrm0O3lVxd
920Please respect copyright.PENANAPJWvtWX87p
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。920Please respect copyright.PENANAk7U1RTCGuj
920Please respect copyright.PENANAZjAaD37xPj
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。920Please respect copyright.PENANABd5GiK0DcW
920Please respect copyright.PENANANkMi2FFICu
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。920Please respect copyright.PENANAfGVfeB9P2h
920Please respect copyright.PENANA86gtBd7r26
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/toc920Please respect copyright.PENANAnyijOVsm9p
920Please respect copyright.PENANAm34KcMCjI0
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。920Please respect copyright.PENANAYmTC6y4bnX
920Please respect copyright.PENANAYDc13Ojlwk
Link:920Please respect copyright.PENANAtxKFDfx7Rc
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio920Please respect copyright.PENANAis9slO08h9
920Please respect copyright.PENANA5JD9SoS1dz
920Please respect copyright.PENANAXbkIhGhEKf
有興趣接收科普資訊的話,歡迎follow IG: potatopigtongue。920Please respect copyright.PENANAMNnag4kCBW