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。946Please respect copyright.PENANA6rbf7fpzfa946Please respect copyright.PENANA3Uh2CKWjD5
946Please respect copyright.PENANASh31BUoiCb
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?946Please respect copyright.PENANAovrNNIIerZ
946Please respect copyright.PENANAsTYItDAiXK
(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。946Please respect copyright.PENANAHseVecWxAa946Please respect copyright.PENANAQTiK5BjU55
946Please respect copyright.PENANAKJryiDEEIu
如何跟進? 就是用上集所介紹的螢光技術。946Please respect copyright.PENANAJdK89F5pHl
946Please respect copyright.PENANA8Oiicq8izs
詳情可見:三十秒科學–透視癌細胞946Please respect copyright.PENANA4lO3FDYtxa
- 分享自 LIHKG 討論區946Please respect copyright.PENANAbYn6Ca0ISH
https://lih.kg/2408323946Please respect copyright.PENANAU13OTC0j3A
946Please respect copyright.PENANAFcs2bBV5v0
946Please respect copyright.PENANAPx7w3Napl3
(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。946Please respect copyright.PENANAcfJyFkHw23946Please respect copyright.PENANA1asvwADrFq
946Please respect copyright.PENANAbOz08KnRIF
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。946Please respect copyright.PENANA38cE18inw8
946Please respect copyright.PENANAzxwAUkLWv7
(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 。946Please respect copyright.PENANANryNLO94G5946Please respect copyright.PENANAYdLQrmjKzZ
946Please respect copyright.PENANAAzLL2ed2dw
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。946Please respect copyright.PENANAT0Pai2SOvB
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。946Please respect copyright.PENANAB4qbEqm8hh
946Please respect copyright.PENANAt8tSqbvp6G
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。946Please respect copyright.PENANAeg6wbcecZx
946Please respect copyright.PENANAcuV0NbhlHp
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。946Please respect copyright.PENANAmOx8dV8FT8
946Please respect copyright.PENANABRHRH28Ova
946Please respect copyright.PENANACjUrmq91BH
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。946Please respect copyright.PENANAuHRlve7GP2
946Please respect copyright.PENANAAjaKir1pZL
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/toc946Please respect copyright.PENANA6hT5rJfO0K
946Please respect copyright.PENANA6kO3GiV9cX
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。946Please respect copyright.PENANArOuIuoQHQy
946Please respect copyright.PENANAV2pyF0M4wt
Link:946Please respect copyright.PENANAlkHsfjktbN
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio946Please respect copyright.PENANA8Ech4TMCc6
946Please respect copyright.PENANA9MwmEEGuTV
946Please respect copyright.PENANAbRCTXEc0I4
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。946Please respect copyright.PENANA839188nn6u
946Please respect copyright.PENANAuo1NUrsryy
Ref1:https://pubmed.ncbi.nlm.nih.gov/27974793/946Please respect copyright.PENANAoakhIo0xwr
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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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