真菌感染(Fungi Infection)約引致全球每年約二百萬人的死亡,而現今對抗真菌(Fungi)的藥物類別主要共分為三大類別。589Please respect copyright.PENANALQAyhhmSvW589Please respect copyright.PENANA6mvN0Rje2b
589Please respect copyright.PENANACI1sNKfE3u
(圖2)三大類別的藥物機制雖有不同,但最終目的均是透過破壞真菌的外層結構來抑制其生長。589Please respect copyright.PENANAXTu6BLXqlL589Please respect copyright.PENANA5oTt2ADuu2
589Please respect copyright.PENANANywMVAxKcX
1.Azole589Please respect copyright.PENANAIDxXt46L62
抑制構成細胞膜的Ergosterol產生589Please respect copyright.PENANAYo56kRbnCU
2. Polyene589Please respect copyright.PENANAmqBMSugAub
消耗細胞膜的Ergosterol589Please respect copyright.PENANAJ8IlaYdw6U
3. Echinocandins589Please respect copyright.PENANAH1fVg8hC3N
抑制構成細胞外層的糖分組織產生589Please respect copyright.PENANA8C0omGKC6V
589Please respect copyright.PENANAfcKJYbdXO2
589Please respect copyright.PENANAOr5Q3nHe7n
(圖3)然而,現今出現了某一類別的Candida auris,上述三款的藥物均對它無法作出顯著功效。589Please respect copyright.PENANAvO22PZAje2589Please respect copyright.PENANAZzXnc1lfFd
589Please respect copyright.PENANArNj4FFfPAT
它能夠透過血液循環系統走進全身各部位,引發感染。589Please respect copyright.PENANAujQzr2SRbl
589Please respect copyright.PENANAVCrmZiFTlq
就在2018年,英國急症室病人出現大規模Candida auris的感染,後來證實為共用探熱針所致(Ref1)。589Please respect copyright.PENANAnfP46HFnkU
589Please respect copyright.PENANAtyfvEFePfp
(圖4)有科學家近日發表文章(Ref2),在居住在深海生物的微生物中分離出命名為Turbinmicin的天然物質。589Please respect copyright.PENANASoPeWbvGxL589Please respect copyright.PENANA5RJfczMDa2
589Please respect copyright.PENANADSYEh5w86y
Turbinmicin能有效抑制不同真菌品種,包括Candida auris。589Please respect copyright.PENANASe6rZZ0WNd
589Please respect copyright.PENANA8fXkBck1QH
它的機制乃為影響內部的蛋白質運輸,與現今三類抑制外圍結構的機制不同,可能因而能夠擊殺得到抵擋現今三大類藥物的Candida auris。589Please respect copyright.PENANAGMGFOIIpsD
589Please respect copyright.PENANAW3Nd9DgZGz
它並不會對人體的紅血球造成傷害,高劑量的使用亦沒有對老鼠做成影響,同時亦能治理Candida auris在老鼠體內所引發的感染。589Please respect copyright.PENANAvPPwrYmvUk
589Please respect copyright.PENANAF1Mcol954w
但會否引起副作用或其他問題,還需要進一步的研究確實後,才能開啟人類試驗。589Please respect copyright.PENANANGxpAjmSUf
589Please respect copyright.PENANA0GummjBGEP
589Please respect copyright.PENANAUxe3xXMwN6
深海一直是未被深入發掘的領域,這一次找到對抗耐藥真菌曙光,日後可能會繼續有意想不到的驚喜。589Please respect copyright.PENANACc3BnpYi7i
589Please respect copyright.PENANAiCqjy2N9Bq
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。589Please respect copyright.PENANALFULJuzM0U
589Please respect copyright.PENANAinRPNhb865
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/toc589Please respect copyright.PENANArS7sfFON6Q
589Please respect copyright.PENANAmGwPCb6w8j
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。589Please respect copyright.PENANAphzLL4pIDm
589Please respect copyright.PENANAFsaPIxwRFj
Link:589Please respect copyright.PENANA0LTWOGRRGh
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio589Please respect copyright.PENANAeeHJYZWdcd
589Please respect copyright.PENANAfeBw70nHYl
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。589Please respect copyright.PENANA8IXYtFIhQb
589Please respect copyright.PENANAvYbjcifsTy
https://www.instagram.com/potatopigtongue/589Please respect copyright.PENANAAGcqFuivtL
589Please respect copyright.PENANADamWHaH7QR
Ref1:https://www.nejm.org/doi/full/10.1056/NEJMc1900112589Please respect copyright.PENANA3UveIf0TpW
Ref2:https://science.sciencemag.org/content/370/6519/974589Please respect copyright.PENANAz10KxX3VaV