現今科技發達,藥物大多數也能夠在實驗室或藥廠裡利用化學物合成出來。630Please respect copyright.PENANArj9jLApwHe
630Please respect copyright.PENANAHnbMIoFZWV
但若果藥物主要成份的結構實在是太過複雜的話,有時候利用人工合成的方法製造只會吃力不討好,不符合經濟效益。630Please respect copyright.PENANAV3qezA3t3y630Please respect copyright.PENANAVPHBxkYF5Z
630Please respect copyright.PENANAw0cmQagI5u
就以治療神經肌肉問題等疾病為例的Tropane alkaloids(TAs),主要情況下均是會從特定品種的植物裡頭提取出來;630Please respect copyright.PENANAvpybhHyPAP
630Please respect copyright.PENANATTTfmmCAJi
隸屬TAs類別的hyoscyamine及scopolamine可以與acetylcholine receptor結合,更有著解除俄國神經毒素Novichok的能力。630Please respect copyright.PENANA8P9kaDydwo
630Please respect copyright.PENANAdQ7Ua7Uiob
俄國神經毒素Novichok延伸閱讀:https://www.penana.com/article/477009630Please respect copyright.PENANAD1hZG6chTq
630Please respect copyright.PENANAwoCjUwiVhw
(圖2)科學家一直致力研究增強培植產生TAs植物的方法,但人口增長快速,相關藥物供不應求的問題開始湧現。630Please respect copyright.PENANAFR02jxS7LE630Please respect copyright.PENANAhywjyqaDYx
630Please respect copyright.PENANAvaSO1zaF1Q
再加上植物佔據大量空間及資源,而且生長需時,還有害蟲侵蝕植物導致產量下降各種問題需要關注,長遠來說顯然需要另一種手段製作藥物。630Please respect copyright.PENANAL7jtLoWFS9
630Please respect copyright.PENANAm8uax1V0Ae
(圖3)近日,有科學家發表文章(Ref1),利用生長快、易打理的酵母(yeast)來解決這問題。630Please respect copyright.PENANAiKLE13TazB
630Please respect copyright.PENANALhQLqd4Heb
他們利用CRISPR基因編輯技術,將26種來自細菌及植物的基因(其中一種更是燕麥的基因)加進酵母裡頭,強迫酵母利用葡萄糖及氨基酸轉化成為有用的TAs。630Please respect copyright.PENANA761DSvojs6630Please respect copyright.PENANA5EHYhjiHOy
630Please respect copyright.PENANA9tVS8ApZET
CRISPR基因編輯技術延伸閱讀:https://www.penana.com/article/465369630Please respect copyright.PENANAC3sABuGG3h
630Please respect copyright.PENANA9H5x78X5uB
過程中他們更分門別類將相應的酵素安放在酵母各個位置,以及刪走一些礙事的基因,務求令到酵母一心一意為製作藥物為主。630Please respect copyright.PENANABSNALmATSL
630Please respect copyright.PENANAVoK34GwnYr
暫時他們做到的產量為每一公升酵母能夠生產出30-80 μg TAs,有望在1-2年後提升至每升5g,踏進真實市場裡頭運作。630Please respect copyright.PENANAhJlDvihsn0
630Please respect copyright.PENANAueHFBbSUXW
(1g=1000mg,1mg=1000 μg)630Please respect copyright.PENANAZNgsSm8ltG
630Please respect copyright.PENANAGxqlPaKmht
630Please respect copyright.PENANAqql2klDeel
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。630Please respect copyright.PENANAP7XfeDOJit
630Please respect copyright.PENANAwy4X1CnzXm
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/toc630Please respect copyright.PENANAeNuarGMwXj
630Please respect copyright.PENANAY2YiPxmQtj
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。630Please respect copyright.PENANA4V2RJPbdNV
630Please respect copyright.PENANACztFiNsSTL
Link:630Please respect copyright.PENANAD0eBnM7wJM
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio630Please respect copyright.PENANAHnUbDyXR5f
630Please respect copyright.PENANAKJs7O9ANbA
630Please respect copyright.PENANADaQYjqM6YA
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。630Please respect copyright.PENANAqQWa74F7cq
630Please respect copyright.PENANAeRqmYoVgdh
Ref1:https://www.nature.com/articles/s41586-020-2650-9630Please respect copyright.PENANA4si2KBPInd
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科普專欄–薯不揀單
Author:
薯仔聞茱莉

ISSUE #47
深入淺出–改造酵母以作製藥用途
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