腸道是細菌們聚居體內的其中一道地方,而腸道細菌品種的變異,將有助大腸癌的形成。445Please respect copyright.PENANAn9anbWNInt
445Please respect copyright.PENANABpwx7eYd9p
445Please respect copyright.PENANAvEnbAl63jg
(圖2)糞便含有腸道的細菌,透過糞便移植(其中一方法為從口中灌入),人類腸道的細菌亦因而能夠寄居到老鼠腸道中。445Please respect copyright.PENANAOl48uDc5uU
445Please respect copyright.PENANADFO8XwUqW2
445Please respect copyright.PENANA3W1zyfvaWb
就此,有科學家嘗試將健康人士及腸癌病人的糞便移植到老鼠腸道中,探索腸道細菌對大腸癌的影響(Ref1)。445Please respect copyright.PENANAJxN2JmewTk
445Please respect copyright.PENANAcCUsYqcXZv
(圖3)從圖中可見,莫論是健康還是腸癌人士糞便組別也好,普通老鼠均不會出現腸癌。445Please respect copyright.PENANAlLGI7QMRS6
445Please respect copyright.PENANA1QKQve5zcQ
445Please respect copyright.PENANAuROI7p8jFK
但在天生容易生腸癌的老鼠中,移植腸癌人士糞便後所出現的腫瘤數量,明顯的比健康人士糞便組別為多。445Please respect copyright.PENANA50rnYL38IM
445Please respect copyright.PENANApQdkXLiAvG
(圖4)同時,移植腸癌人士糞便後所出現的腫瘤,體積亦明顯的比健康人士糞便組別為大。445Please respect copyright.PENANA4KBSoy9Mz9
445Please respect copyright.PENANALVoqLvh2HN
445Please respect copyright.PENANAuEEvzpQKGH
而移植糞便後,兩組老鼠的腸道細菌品種亦有明顯分別。445Please respect copyright.PENANAStJKwJBCAh
445Please respect copyright.PENANA3DnE1QN8ek
(圖5)重要的是,腸癌人士糞便中的某幾隻脂肪酸數量,亦明顯比健康人士糞便組別為少。445Please respect copyright.PENANA8kOwpxQS5B
445Please respect copyright.PENANABcsnQ0UGqs
445Please respect copyright.PENANAI5I1yh2QNc
依照現時的理論,人體有部份的腸道細菌乃依靠消化食用纖維維生。445Please respect copyright.PENANAF3tKpdnPzs
445Please respect copyright.PENANAQktOTfAl5t
當人體長期沒有進食纖維的話,將會導致腸道細菌品種失衡,使進食脂肪酸的細菌品種助大。445Please respect copyright.PENANAW9fEZpcNyu
445Please respect copyright.PENANAptqRzusHfp
這亦有可能解釋得到,為何腸癌人士糞便中某數款脂肪酸的數量亦相對之為少。445Please respect copyright.PENANA5qApk2xD8h
445Please respect copyright.PENANA2c1YEqbs9e
基於腸道細菌品種與大腸癌的形成有著密切關係,有不少研究團隊亦開始研究如何透過檢測糞便的細菌品種來推算出大腸癌的出現機率,與內窺鏡檢查相輔相成。445Please respect copyright.PENANAhJn8Ff2alk
445Please respect copyright.PENANA2qr7iMwRBM
445Please respect copyright.PENANArOGtvTIMOU
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。445Please respect copyright.PENANAobew7KleUO
445Please respect copyright.PENANAzBFxhQXeOe
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/toc445Please respect copyright.PENANAsMcYiw4688
445Please respect copyright.PENANA7lip7L14Ti
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。445Please respect copyright.PENANAvLtGuNInKz
445Please respect copyright.PENANAVHvQvuIp1U
Link:445Please respect copyright.PENANAE1ao7GA1nu
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio445Please respect copyright.PENANArXTWC0gKhi
445Please respect copyright.PENANA0xmcMfACds
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。445Please respect copyright.PENANAdiioG9HlsA
445Please respect copyright.PENANAWPN7b2PH8l
https://www.instagram.com/potatopigtongue/445Please respect copyright.PENANAkbMEJ0seW7
445Please respect copyright.PENANAjmxjpwJ8Zx
445Please respect copyright.PENANAqUWOwPbyTR
Ref1:https://www.thelancet.com/journals/ebiom/article/PIIS2352-3964(19)30625-5/fulltext445Please respect copyright.PENANA0Tr2i4y3jY
arrow_back
科普專欄–薯不揀單
more_vert
-
info_outline 資料
-
toc 目錄
-
share 分享
-
format_color_text 介面設置
-
exposure_plus_1 推薦
-
打賞
-
report_problem 檢舉
-
account_circle 登入
X
科普專欄–薯不揀單
作者:
薯仔聞茱莉
篇 #126
深入淺出–腸道細菌與大腸癌
喜歡 2
閱讀 441
書籤 148
campaign
催更 0
打賞
以 Facebook 帳號登入
或 註册/登入 以留言或加上書籤
按此加載下一章
X
每次催更後,作者都會收到通知!
smartphone100 → 催更
×
寫下你喜歡這個故事的地方
×
對此喜歡的人