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。986Please respect copyright.PENANAiFhEQvW8ER986Please respect copyright.PENANAcJCH27pRkC
986Please respect copyright.PENANAFN7wZOmFYS
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?986Please respect copyright.PENANA3bv1TCI6pX
986Please respect copyright.PENANAuqmNQWYvTH
(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。986Please respect copyright.PENANAloS6REN9uk986Please respect copyright.PENANApGOC03iLW4
986Please respect copyright.PENANASz4PzJTb7p
如何跟進? 就是用上集所介紹的螢光技術。986Please respect copyright.PENANAYRBjuZlnXS
986Please respect copyright.PENANAPAJLi2RItR
詳情可見:三十秒科學–透視癌細胞986Please respect copyright.PENANAydrkrk4vp7
- 分享自 LIHKG 討論區986Please respect copyright.PENANANhgXXlvRvM
https://lih.kg/2408323986Please respect copyright.PENANASrLFA7EOTe
986Please respect copyright.PENANAsMi2OgPrWF
986Please respect copyright.PENANAn2DnDLopQg
(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。986Please respect copyright.PENANAQq7VLSPGen986Please respect copyright.PENANAwvFlcmU043
986Please respect copyright.PENANAUws2Sw6KAA
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。986Please respect copyright.PENANAXA8eW5K7iG
986Please respect copyright.PENANA2GRo6FhbSX
(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 。986Please respect copyright.PENANA2pGwvlUnEe986Please respect copyright.PENANASs5Hy9oEpY
986Please respect copyright.PENANATI1kJ4MwOi
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。986Please respect copyright.PENANATbBoJ4i1jY
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。986Please respect copyright.PENANA9nSltykA7E
986Please respect copyright.PENANAfT2HJqd3hP
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。986Please respect copyright.PENANAaNL2YoU62a
986Please respect copyright.PENANAhKPlwhb2Mg
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。986Please respect copyright.PENANABECrFbQYpS
986Please respect copyright.PENANAC0BdTxtJn4
986Please respect copyright.PENANApHDWCWmIHu
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。986Please respect copyright.PENANAE1ydO1UQda
986Please respect copyright.PENANABfL8sFVdMw
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/toc986Please respect copyright.PENANAcfN0Ie1l9V
986Please respect copyright.PENANAlkn5Y6BNwL
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。986Please respect copyright.PENANADmOz3A5hZ8
986Please respect copyright.PENANAoy7jRcYQUO
Link:986Please respect copyright.PENANAoprYMsOSgp
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio986Please respect copyright.PENANARFXdgS5ELm
986Please respect copyright.PENANA2c4h7Xkpmw
986Please respect copyright.PENANAGi8xeyjjRU
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。986Please respect copyright.PENANAOnKqDuxMK2
986Please respect copyright.PENANAzzlIDFaiTP
Ref1:https://pubmed.ncbi.nlm.nih.gov/27974793/986Please respect copyright.PENANAPsYyLr4HJv
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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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