上集講述了腸道細菌的品種變異有助大腸癌形成的證據。918Please respect copyright.PENANAgJRldI32VN
https://www.penana.com/article/527196918Please respect copyright.PENANAu6cJctL0pI918Please respect copyright.PENANAWK51CMwyZ3
918Please respect copyright.PENANAdJJNeL6Y1D
而除大腸癌外,腸道細菌的品種對成長方面亦會構成影響。918Please respect copyright.PENANApTshuAkQTe
918Please respect copyright.PENANAf6dPwAXYkc
(圖2)世衛(WHO)用上來自6個國家的8440個健康兒童三項數據918Please respect copyright.PENANAFgKZnzkclH
(重量對比高度、重量對比歲數及高度對比歲數),定立了兒童是否呈營養充足的標準。918Please respect copyright.PENANA8f51KX26ro918Please respect copyright.PENANA8QeIpCmL6k
918Please respect copyright.PENANA7nfbWwLSS9
若兒童的三項數據低於某一個程度,兒童便會界定為營養不良的狀態。918Please respect copyright.PENANAapcjfQ02Ib
918Please respect copyright.PENANAudxTmwIPTy
(圖3)根據世衛定下的標準界定其營養攝取量是否充足,有科學家收集來自非洲東南部的內陸國家馬拉威6-18月大的兒童糞便,透過糞便移植(從口中灌入)將人類腸道的細菌寄居到老鼠的腸道中,從而探討腸道細菌對生長的影響(Ref1)。918Please respect copyright.PENANA9KGO7exBDQ918Please respect copyright.PENANA0qC2EKaqze
918Please respect copyright.PENANAi67RbnAWfb
918Please respect copyright.PENANAwv6TcVmmoS
(圖4)在食物款式一模一樣的情況下,移植營養充足兒童糞便的老鼠,其整體重量及肌肉重量均比移植營養不良兒童糞便的老鼠為高。918Please respect copyright.PENANAvh2whaPjJy918Please respect copyright.PENANARUx8414uSF
918Please respect copyright.PENANAnWUEGn42uP
重要的是,兩組老鼠的進食量及體脂均無顯著分別。918Please respect copyright.PENANACqW2qmCzL8
918Please respect copyright.PENANAP1Nk8QFHd1
亦即是表示在食物攝取量一樣的狀態下,移植營養充足兒童糞便的老鼠,其肌肉的增長相對上較高。918Please respect copyright.PENANA8o17utOlll
918Please respect copyright.PENANAACg8EMmzoR
(圖5)科學家繼而作出另一實驗,糞便移植4日後,老鼠便開始進行不同組別的定居。918Please respect copyright.PENANAPyjdEAByhA918Please respect copyright.PENANAAlw4FR8m9W
918Please respect copyright.PENANAQVJnFuc7L8
當移植營養充足兒童糞便的老鼠與營養不良兒童糞便的老鼠一同定居後,兩者的肌肉重量再也沒有分別。918Please respect copyright.PENANA0bHXawIQwP
918Please respect copyright.PENANArZmCrYuKqM
但兩組分別飼養的話,移植營養充足兒童糞便的老鼠的肌肉重量顯然比營養不良兒童糞便組別為重。918Please respect copyright.PENANArMCGh0C9wq
918Please respect copyright.PENANAvjuJwSsT9C
(圖6)科學家發現,不同組別的老鼠定居後,老鼠的腸道群組亦同化成為營養充足的腸道群組。918Please respect copyright.PENANANyhVmNBzXV918Please respect copyright.PENANAygndifVxlW
918Please respect copyright.PENANAECgIiNtF44
而經過一系列的實驗後,科學家提出R. gnavus 及 C. symbiosum這兩細菌品種在改變新陳代謝方面上具有重大的影響力,引致老鼠生長不良的情況。918Please respect copyright.PENANA0Zxq8RrTa5
918Please respect copyright.PENANA8F8vnMoQjU
918Please respect copyright.PENANAONy5hZAbLJ
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。918Please respect copyright.PENANAmPQKCjlahf
918Please respect copyright.PENANApzNVC7KsbY
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/toc918Please respect copyright.PENANAf1hycq8Ks2
918Please respect copyright.PENANAahLFkjGiel
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。918Please respect copyright.PENANAHeqs8Vw79b
918Please respect copyright.PENANA6i6F2aKrej
Link:918Please respect copyright.PENANArriodCbW4U
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio918Please respect copyright.PENANAiRNrGLZgVn
918Please respect copyright.PENANAHQ2naSWjkl
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。918Please respect copyright.PENANA1YHOj4OXxA
918Please respect copyright.PENANAPteOyNvvW2
https://www.instagram.com/potatopigtongue/918Please respect copyright.PENANA3E70GwKUut
918Please respect copyright.PENANAwmYS03QteK
918Please respect copyright.PENANA7B5D14eU9Z
918Please respect copyright.PENANAS8aPHC3NnZ
Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4787260/918Please respect copyright.PENANA3Ve5FrIDH9
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薯仔聞茱莉

篇 #129
深入淺出–腸道細菌對生長的影響(一)
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