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。945Please respect copyright.PENANAGA6TX7WPx4945Please respect copyright.PENANACpYMaUzXA9
945Please respect copyright.PENANAxBWK9VTD2v
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?945Please respect copyright.PENANA1xeZCVaFfn
945Please respect copyright.PENANAokh2bvcxPI
(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。945Please respect copyright.PENANAkJ63N11ina945Please respect copyright.PENANAR23t96kKLR
945Please respect copyright.PENANAW074LTBif9
如何跟進? 就是用上集所介紹的螢光技術。945Please respect copyright.PENANAGG1hCsWboV
945Please respect copyright.PENANA9aY5ZwKmXf
詳情可見:三十秒科學–透視癌細胞945Please respect copyright.PENANAxVMZ62btiO
- 分享自 LIHKG 討論區945Please respect copyright.PENANAC0h6NODMDB
https://lih.kg/2408323945Please respect copyright.PENANAE0V1rVPpOD
945Please respect copyright.PENANA7gkwC4SQ62
945Please respect copyright.PENANAPsv1aKdbcE
(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。945Please respect copyright.PENANA8WCBCU87db945Please respect copyright.PENANAd2wROwBGpm
945Please respect copyright.PENANAmExM48FeTN
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。945Please respect copyright.PENANAg72uCXkctv
945Please respect copyright.PENANAThiZLVd9HV
(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 。945Please respect copyright.PENANAHvmF0yvYfp945Please respect copyright.PENANAD80I6i0uFj
945Please respect copyright.PENANAv2wxag0ObM
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。945Please respect copyright.PENANA5OMFXVQgOM
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。945Please respect copyright.PENANAdnZmd4dBkd
945Please respect copyright.PENANAjhsdpX4TZz
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。945Please respect copyright.PENANA9yuPdJhx3F
945Please respect copyright.PENANAJPSMhSZcNs
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。945Please respect copyright.PENANABAEntaOtBu
945Please respect copyright.PENANAVWfB5bGTyp
945Please respect copyright.PENANAKmfByXFdDu
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。945Please respect copyright.PENANA8ddc7kRk2o
945Please respect copyright.PENANAaAs3zzn5Ui
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/toc945Please respect copyright.PENANAzYzUrhw4F7
945Please respect copyright.PENANA83PPnVKJR7
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。945Please respect copyright.PENANAtM94m8l0Es
945Please respect copyright.PENANAqQB4VeRGMA
Link:945Please respect copyright.PENANAPzJn0Cd99E
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio945Please respect copyright.PENANAbevcVUIBGb
945Please respect copyright.PENANAaBk1jtkPxA
945Please respect copyright.PENANAEv6QzVb6F9
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。945Please respect copyright.PENANArA6Gk8iSqu
945Please respect copyright.PENANAAMVVqei4Pn
Ref1:https://pubmed.ncbi.nlm.nih.gov/27974793/945Please respect copyright.PENANAGnv9e88O5l