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。1143Please respect copyright.PENANAKLbCw5H4ti
1143Please respect copyright.PENANAlSTz2bYXeI
1143Please respect copyright.PENANAZS4wkdlMYf
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?1143Please respect copyright.PENANAnXmQg2S7js
1143Please respect copyright.PENANAZhHvcXNUzo
(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。1143Please respect copyright.PENANAqdVG3CI4Ps
1143Please respect copyright.PENANA2j8fufWeUo
1143Please respect copyright.PENANA4my96UoY9q
如何跟進? 就是用上集所介紹的螢光技術。1143Please respect copyright.PENANA4SHN6Avn6v
1143Please respect copyright.PENANA1AmxJSe4XY
詳情可見:三十秒科學–透視癌細胞1143Please respect copyright.PENANA75ziOeY6S3
- 分享自 LIHKG 討論區1143Please respect copyright.PENANA7QTfqH166f
https://lih.kg/24083231143Please respect copyright.PENANAxpJasfZ61V
1143Please respect copyright.PENANAip566UTIDy
1143Please respect copyright.PENANAzLhcXruLN9
(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。1143Please respect copyright.PENANANdPrjXQfv0
1143Please respect copyright.PENANAkOQhMvFata
1143Please respect copyright.PENANAlmIFHB05w9
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。1143Please respect copyright.PENANAFBSo4IRxeh
1143Please respect copyright.PENANA1JHLd9WDSa
(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 。1143Please respect copyright.PENANAX2pYXzpuN9
1143Please respect copyright.PENANA7RwoImWb0s
1143Please respect copyright.PENANAf8ZTBhkf6I
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。1143Please respect copyright.PENANAmV477WsVFx
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。1143Please respect copyright.PENANAZazzZ3FnmV
1143Please respect copyright.PENANAfG6HCBuBxn
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。1143Please respect copyright.PENANApcrOAM18qJ
1143Please respect copyright.PENANAmKK2F5C0QX
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。1143Please respect copyright.PENANAA6KogF6ht7
1143Please respect copyright.PENANARP2sNd7TWj
1143Please respect copyright.PENANATMoXw6k3m0
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。1143Please respect copyright.PENANAtJx49HGFQM
1143Please respect copyright.PENANAzOtSxw9iod
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/toc1143Please respect copyright.PENANAJP72JV9pnS
1143Please respect copyright.PENANAj7LDMKcwsp
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。1143Please respect copyright.PENANAyd8cfMmDrA
1143Please respect copyright.PENANAHjldwawi30
Link:1143Please respect copyright.PENANA69P9O4aiqf
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio1143Please respect copyright.PENANAhla4T0oIJR
1143Please respect copyright.PENANA1gAyNeA7qh
1143Please respect copyright.PENANAG2Ilc2oD0x
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。1143Please respect copyright.PENANADYlnK6zJW7
1143Please respect copyright.PENANA2v0JbsJB9s
Ref1:https://pubmed.ncbi.nlm.nih.gov/27974793/1143Please respect copyright.PENANAZbueNgbJSI
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科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #159
三十秒科學–脂肪酸對癌細胞的重要性
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