油並無法容易溶於水裡,因此當脂肪從我們身體的血液循環系統時,便需要依靠蛋白質的輔助,合體成為脂蛋白(Lipoprotein),才能方便於血液中流動行走。952Please respect copyright.PENANA6Qrcx7ltrf952Please respect copyright.PENANAapy8zYdoV1
952Please respect copyright.PENANA6gYTnQnF23
(圖2)根據密度及體積,脂蛋白可分成為不同種類。952Please respect copyright.PENANA1IyQHIAtcD952Please respect copyright.PENANAz15R7qizAz
952Please respect copyright.PENANAu96eetWUfx
Low Density Lipoprotein(LDL)主要負責從肝臟把油脂傳送到各器官,而血液LDL含量長期高企的話,患上心臟病或中風的機會亦會高企,因此經常被冠稱為壞膽固醇。952Please respect copyright.PENANAqLb3rXmU8X
952Please respect copyright.PENANA70L4m424PO
而當細胞尤其是肝臟細胞內的膽固醇過多的話,便會以High Density Lipoprotein(HDL)的形式排出細胞外。952Please respect copyright.PENANAIlokDx5ddB
細胞內含有過多膽固醇的話便會觸發細胞進行死亡的機制,基於HDL能把它們帶出細胞外,避免壞事發生,因此亦被稱之為好膽固醇。952Please respect copyright.PENANAJXFuTlZJ5A
952Please respect copyright.PENANAggAX6gNLEP
952Please respect copyright.PENANAx3Spid67L7
(圖3)細胞可從外間直接攝取膽固醇,又或者是從其他原料自行製作膽固醇。952Please respect copyright.PENANAnCggfHhvZC952Please respect copyright.PENANAt4lVR1CQ1o
952Please respect copyright.PENANACO2lVwFgdS
降膽固醇藥Statin能夠抑制其中一隻參與製作膽固醇過程的酶素,導致膽固醇的製作無法順利完成。952Please respect copyright.PENANAirfo81GgiC
952Please respect copyright.PENANAcnxUyfa7gn
而細胞在藥物的誤導下,以為是自己因為吸收不足夠的LDL,所以無法製作膽固醇,因此便會增大吸收外間LDL的能力,得出的結果就是把血液裡的壞膽固醇含量大幅度下降。952Please respect copyright.PENANAFlAbwZOi03
952Please respect copyright.PENANAtmGbRjAPnY
能降低血液LDL含量固然是一件好事,畢竟血液LDL含量與心臟病中風等疾病有著密切的關聯。952Please respect copyright.PENANA7G7cVhWgs3
但亦有一些統計數據指出服用Statin會增加患癌風險,其機制現時尚未能搞得清楚。952Please respect copyright.PENANATR5hS9pfk4
952Please respect copyright.PENANAF8NJAgpnpW
Statin藥物所抑制的製作膽固醇的機制,箇中亦包含其他有用的有機物及代謝物製作。952Please respect copyright.PENANAqXK3dJk0e7
干涉到那些有機物的製作會否促成癌症生長,還需要大量的研究作出探討。952Please respect copyright.PENANAApsby3kjcv
952Please respect copyright.PENANAes1d2TSnoq
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。952Please respect copyright.PENANA2knQOpODIK
952Please respect copyright.PENANAmQ0sAzyQGI
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/toc952Please respect copyright.PENANA2wKACJLVk5
952Please respect copyright.PENANAxDPHMpdd61
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。952Please respect copyright.PENANAUkFIOFglTB
952Please respect copyright.PENANAv1C5OtckSm
Link:952Please respect copyright.PENANAzYLTafHmE4
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio952Please respect copyright.PENANAKJoxPhpLQ5
952Please respect copyright.PENANAazqWM762Fh
952Please respect copyright.PENANA3tehQn2HbL
除非Facebook及IG重開侵侵的account,否則我的IG將不會再作更新,只會寄居本土LIHKG及Penana。952Please respect copyright.PENANAJlSbrCqJpI
952Please respect copyright.PENANAGeuHyo4Uf3
Ref1:https://pubmed.ncbi.nlm.nih.gov/8561503/952Please respect copyright.PENANAcISnhHNKWz
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7225778/952Please respect copyright.PENANA8QYnR6AlPB
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 #165
三十秒科學–降膽固醇藥
喜歡 1
閱讀 948
書籤 150
campaign
催更 0
打賞

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