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。438Please respect copyright.PENANAXZrkglTbnJ
438Please respect copyright.PENANAryhPpqRlVi
438Please respect copyright.PENANA2FH92NwWOQ
(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。438Please respect copyright.PENANAHqOLojcv5s
438Please respect copyright.PENANAuqAYNQYX0S
438Please respect copyright.PENANAmvXppDfbFX
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)。438Please respect copyright.PENANAZUASPwa1PC
438Please respect copyright.PENANA7v1Ot1zwLi
(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。438Please respect copyright.PENANA6ksZJW73DL
438Please respect copyright.PENANAnFmNyI2on8
438Please respect copyright.PENANALbvBzcKo86
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。438Please respect copyright.PENANA74nsSI5lXh
438Please respect copyright.PENANAYqgrF6GpZ8
(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。438Please respect copyright.PENANA0Plj7SNHpy
438Please respect copyright.PENANAH5Se7wQyFR
438Please respect copyright.PENANA1atERh57RD
而移植糞便後,兩組老鼠的腸道細菌品種亦有明顯分別。438Please respect copyright.PENANA2kWHpPlGzL
438Please respect copyright.PENANAEOr8qL0Qr4
(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。438Please respect copyright.PENANAf22orw8Fl2
438Please respect copyright.PENANAQxqAd88uap
438Please respect copyright.PENANAE3jiniQSWY
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。438Please respect copyright.PENANAbkWxETC0ja
438Please respect copyright.PENANAMGkvU2VWDe
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。438Please respect copyright.PENANA4FHmaaEZYZ
438Please respect copyright.PENANADKfAWbcTY7
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。438Please respect copyright.PENANATUqdIIn0Mh
438Please respect copyright.PENANA44fr7kLYBY
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。438Please respect copyright.PENANALpe769WmIt
438Please respect copyright.PENANApLJgPLpf6y
438Please respect copyright.PENANAMnuyJ2JGta
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。438Please respect copyright.PENANAthDTCwG0pc
438Please respect copyright.PENANA6lXeqJH3hz
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/toc438Please respect copyright.PENANAAF94qEFMBL
438Please respect copyright.PENANAscWGPpSjN4
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。438Please respect copyright.PENANAoLZWrD9h3m
438Please respect copyright.PENANAca2EnqOczM
Link:438Please respect copyright.PENANA0IPZZDxb5w
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio438Please respect copyright.PENANAkzdbkS4Re8
438Please respect copyright.PENANAvnfBlCwE3G
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。438Please respect copyright.PENANAmIZZCGsvfj
438Please respect copyright.PENANA5zzKapinrB
https://www.instagram.com/potatopigtongue/438Please respect copyright.PENANAZpLxaHjphK
438Please respect copyright.PENANA7lGs72lCyt
438Please respect copyright.PENANASlgulcmRKg
Ref1:https://www.thelancet.com/journals/ebiom/article/PIIS2352-3964(19)30625-5/fulltext438Please respect copyright.PENANAMd6hv0H9NO
arrow_back
科普專欄–薯不揀單
more_vert
-
info_outline Info
-
toc Table of Contents
-
share Share
-
format_color_text Display Settings
-
exposure_plus_1 Recommend
-
Sponsor
-
report_problem Report
-
account_circle Login
Search stories, writers or societies
Continue ReadingClear All
What Others Are ReadingRefresh
X
Never miss what's happening on Penana!
科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #126
深入淺出–腸道細菌與大腸癌
LIKES 2
READS 434
BOOKMARKS 148
campaign
Request update 0
Sponsor
Login with Facebook
or Sign up/Login to comment or bookmark!
Click to load the next chapter
X
After each update request, the author will receive a notification!
smartphone100 → Request update
X
Sponsor again
Click to login
Login first to show your name as a sponsor.
Thank you for supporting the story! :)
Please Login first.
×
Write down what you like about the story
×
Reading Theme:
Font Size:
Line Spacing:
Paragraph Spacing:
Load the next issue automatically
Reset to default
×
People Who Like This