世界非常殘酷,美味可口的食物很多時候都是高脂高卡路里。964Please respect copyright.PENANADRujCyLPFS964Please respect copyright.PENANAkOhcb1BeAy
964Please respect copyright.PENANAMZY39ZSMsY
如果餐單的卡路里長期是以脂肪為主導的話,又是否會更容易產生癌症呢?964Please respect copyright.PENANAzJg8tNuayG
964Please respect copyright.PENANAeoCkB3qTv7
(圖2)有科學家對此進行研究(Ref1),餵食老鼠為期7日脂肪佔總卡路里約60%的餐單,然後再透過血管移植人類的口腔癌細胞,其後密切跟進腫瘤的狀況。964Please respect copyright.PENANAWR3gMUZs1A964Please respect copyright.PENANA5JKFeABYr2
964Please respect copyright.PENANAa2ouPkhjrr
如何跟進? 就是用上集所介紹的螢光技術。964Please respect copyright.PENANAqP7eMbUKzY
964Please respect copyright.PENANA1mggCLu3Ss
詳情可見:三十秒科學–透視癌細胞964Please respect copyright.PENANAjQOItvRqQC
- 分享自 LIHKG 討論區964Please respect copyright.PENANAE3YUcUsNwv
https://lih.kg/2408323964Please respect copyright.PENANAh7ncUpCmCS
964Please respect copyright.PENANA5bRogW0jTY
964Please respect copyright.PENANAzRZhPqbloq
(圖3)從圖中可以看得見,進食脂肪主導餐單的老鼠,原生腫瘤的體積不但更為巨大,而且亦有更高機率出現癌細胞轉移的情況。964Please respect copyright.PENANAVprrPSz3It964Please respect copyright.PENANAs67OcvTxDk
964Please respect copyright.PENANAbVXjSAul5R
CD36是輔助細胞吸取脂肪酸的蛋白質,當癌細胞的CD36被除去的時候,莫論餐單是否由脂肪主導,原生腫瘤的體積均沒有顯著大變化,而且亦沒有出現癌細胞轉移的情況。964Please respect copyright.PENANAV01FSUepe7
964Please respect copyright.PENANA7zn9ZvXgE3
(圖4)當細胞遇上棕櫚酸約兩日後,細胞的CD36蛋白質數量亦會因而上升 。964Please respect copyright.PENANACnfMBcfd8c964Please respect copyright.PENANAM9yTC0MttE
964Please respect copyright.PENANARrASeLcuYh
從右圖中可以清晰見得到,經過棕櫚酸「調教」過的癌細胞,移植到老鼠後會出現非常明顯的癌細胞轉移過程。964Please respect copyright.PENANA87ZRTWl0Gm
而當癌細胞的CD36蛋白質被移除後,癌細胞轉移過程亦再沒有發生。964Please respect copyright.PENANAg2kgoY6cZk
964Please respect copyright.PENANAFgVeSvomiO
現時有不少藥物嘗試針對CD36來醫治癌細胞或阻止其進行轉移的程序,但不少藥物均在第二期臨床研究裡頭因為出現副作用或效率未如預期被迫中斷。964Please respect copyright.PENANAuYF1vCo4QG
964Please respect copyright.PENANAjkuRft3CVD
或許需要更多研究理解CD36在細胞的作用或機制,才能設計出輕微副作用的治癌藥物。964Please respect copyright.PENANAR736F5eQwB
964Please respect copyright.PENANAyWnjz5Jxw1
964Please respect copyright.PENANAGpwrKxapUo
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。964Please respect copyright.PENANAtWJZHXW9BX
964Please respect copyright.PENANAJgRHeNJmCp
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/toc964Please respect copyright.PENANATeC27IJBVd
964Please respect copyright.PENANABw4YV0T4pn
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。964Please respect copyright.PENANAxz4agkStj3
964Please respect copyright.PENANAwmy3mxgJV0
Link:964Please respect copyright.PENANApIvrgY5n1Q
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio964Please respect copyright.PENANAd5rR3n7Dk6
964Please respect copyright.PENANAcVKvsyIee0
964Please respect copyright.PENANAw3xXpDjD9N
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。964Please respect copyright.PENANA3adjlfY26G
964Please respect copyright.PENANAHB1cors50u
Ref1:https://pubmed.ncbi.nlm.nih.gov/27974793/964Please respect copyright.PENANAkGfOaUMyCi
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科普專欄–薯不揀單
作者:
薯仔聞茱莉

篇 #159
三十秒科學–脂肪酸對癌細胞的重要性
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