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。580Please respect copyright.PENANAGUTQMZQa0C580Please respect copyright.PENANAPsJlNp7hO6
580Please respect copyright.PENANAaVRcJlDaox
(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。580Please respect copyright.PENANAL1FJC9rovT580Please respect copyright.PENANAk7qL5o0I30
580Please respect copyright.PENANA0QUqDhyGBB
1.Azole580Please respect copyright.PENANAifWbKjuVrm
抑制構成細胞膜的Ergosterol產生580Please respect copyright.PENANA5R4O3Um4Ht
2. Polyene580Please respect copyright.PENANAr78UpOGSFu
消耗細胞膜的Ergosterol580Please respect copyright.PENANAhv6WKR3FTB
3. Echinocandins580Please respect copyright.PENANAKPSNVfcj8W
抑制構成細胞外層的糖分組織產生580Please respect copyright.PENANARpNU8l2PKf
580Please respect copyright.PENANAl3NSoNtHZs
580Please respect copyright.PENANArOcI1eAeIC
(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。580Please respect copyright.PENANApP9UGd2tUd580Please respect copyright.PENANA6IjaQxRtv0
580Please respect copyright.PENANAdoNLDjvnVK
它能夠透過血液循環系統走進全身各部位,引發感染。580Please respect copyright.PENANAh93H29joeP
580Please respect copyright.PENANADwUF0t1g7i
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)。580Please respect copyright.PENANASKtpwqPQd9
580Please respect copyright.PENANAE3C4WoKjd9
(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。580Please respect copyright.PENANA6BcYiKUprn580Please respect copyright.PENANAPlk4BQIfDj
580Please respect copyright.PENANASCjBnycksH
Turbinmicin能有效抑制不同真菌品種,包括Candida auris。580Please respect copyright.PENANAiS2tXuT9Uh
580Please respect copyright.PENANAWS7Q1yW6L4
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。580Please respect copyright.PENANAgeMIaWkjfv
580Please respect copyright.PENANA5vuy9zcrGW
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。580Please respect copyright.PENANAdNWV2Owtfk
580Please respect copyright.PENANANWVNi1jX1E
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。580Please respect copyright.PENANAU5elpxawrG
580Please respect copyright.PENANALccIE5wBjQ
580Please respect copyright.PENANAyTKzuoGbx5
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。580Please respect copyright.PENANA3bhrCoE5HT
580Please respect copyright.PENANAV06DxKGR43
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。580Please respect copyright.PENANA8V2itRj767
580Please respect copyright.PENANAar2FXSVs9c
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/toc580Please respect copyright.PENANAKPCX29KzI9
580Please respect copyright.PENANAiZD4YrfgOe
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。580Please respect copyright.PENANAXBVSDH3Qmm
580Please respect copyright.PENANAsjqel4kgs3
Link:580Please respect copyright.PENANA2LMg6zM7HT
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio580Please respect copyright.PENANAChHJ9MNn6x
580Please respect copyright.PENANAPLftcIPZif
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。580Please respect copyright.PENANAaAjdXxf3O7
580Please respect copyright.PENANADAxAsFUGVp
https://www.instagram.com/potatopigtongue/580Please respect copyright.PENANASa8sTJQsSm
580Please respect copyright.PENANA2dx4NyNnBK
Ref1:https://www.nejm.org/doi/full/10.1056/NEJMc1900112580Please respect copyright.PENANAvNfwgjShDu
Ref2:https://science.sciencemag.org/content/370/6519/974580Please respect copyright.PENANAOYKOHxvSV8