癌細胞跟正常細胞一樣,就算處於停止生長的狀態,均需攝取營養維持細胞運作。534Please respect copyright.PENANAR5oxRuKZYr534Please respect copyright.PENANALtsYO58QzK
534Please respect copyright.PENANA4rUaeBikb0
在這個基礎下,有不少主張提倡以生酮飲食(Ketogenic Diet)作為醫治癌症的輔助療法。534Please respect copyright.PENANAvOjeRkDBay
究竟這是「武肺乃由5G網路而起」之流,還是有其實質科學實據支持呢?534Please respect copyright.PENANAe4YRT9pr1j
534Please respect copyright.PENANAxNBODU85yu
(圖2)有不少的癌細胞均出現與PI3K蛋白質有關的變異,促使到它們具備更強大的快速繁殖及抵禦進行自我滅亡機制特性。534Please respect copyright.PENANAIWQTOL3NeF534Please respect copyright.PENANAfr6K0XH9nY
534Please respect copyright.PENANAcLBssapKOm
有見及此,科學家們攜手合作,研發出藥物針對已變異的PI3K蛋白質,並在2010年其間進行大量的人類臨床研究,對相應的癌症病人下藥。534Please respect copyright.PENANACd1Wgh4ory
534Please respect copyright.PENANA38n6gEj4xZ
遺憾的是,結果非常參差,整體成效並不理想。534Please respect copyright.PENANA6qewZ209sM
534Please respect copyright.PENANApYJHVhKQJp
(圖3)深入探討為何會失敗後,科學家發現藥物對人體產生了一道副作用,就是誘使肝臟產生糖份,使血糖上升。534Please respect copyright.PENANAW6XwXY1CvR534Please respect copyright.PENANAY34G6zx50s
534Please respect copyright.PENANAH2M8tkldFV
胰臟因著血糖的上升而產生胰島素,而非常諷刺的是,胰島素是激勵PI3K蛋白質的物質。534Please respect copyright.PENANAM1KvM65xYS
534Please respect copyright.PENANADr9iQlqz7p
亦即是說,藥物副作用所產生的胰島素,抵消了藥物本來抑制PI3K的功用。534Please respect copyright.PENANAQCpgCxy5VT
534Please respect copyright.PENANA4QXtgQ91wM
534Please respect copyright.PENANAkjz01F2FsW
(圖4)基於生酮飲食能夠消耗肝臟的糖原,以及維持血液低胰島素水平,科學家嘗試利用生酮飲食來制衡藥物的副作用,並在老鼠模型上取得非常可觀的成果。534Please respect copyright.PENANAnVJtnpuEq2534Please respect copyright.PENANAq062TaY9mE
534Please respect copyright.PENANAwJi6yPbBWv
現在即將進行子宮內壁膜癌症患者的臨床測試,以生酮飲食再配上PI3K藥物,希望能夠取得理想的成果。534Please respect copyright.PENANABgCBEWEdrq
534Please respect copyright.PENANAgXfviTh25q
但有一點要注意的是,在某類型血癌及腦癌個案,生酮飲食反之然會鼓吹癌細胞加速生長,這很有可能是因為是某類別的癌細胞特別傾向吸收脂肪或酮體。534Please respect copyright.PENANAxI8y0PXzzo
534Please respect copyright.PENANAuGCz2ve2zK
換句話說,在尚未摸透自身所患的癌細胞其新陳代謝特性之前,胡亂採取生酮飲食將有機會引來反效果,間接為癌細胞提供有利生長的環境。534Please respect copyright.PENANAKgrUcsB84N
534Please respect copyright.PENANAsxNbM0Eja9
534Please respect copyright.PENANAtOCIQeaD8c
534Please respect copyright.PENANASOkThJYF0q
534Please respect copyright.PENANADhiJj0oOh5
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。534Please respect copyright.PENANABbEtf04i83
534Please respect copyright.PENANA0FNDAqB2UR
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/toc534Please respect copyright.PENANAoYSHr63Aos
534Please respect copyright.PENANAQz4vaiAz42
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。534Please respect copyright.PENANADLvMtozOoQ
534Please respect copyright.PENANATzODcE17R4
Link:534Please respect copyright.PENANAxG2EolSMxr
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio534Please respect copyright.PENANA0pp9AHNLC1
534Please respect copyright.PENANA0l8pt55yKq
534Please respect copyright.PENANA1k8JrH7rz4
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。534Please respect copyright.PENANA9G3i6OU9al
534Please respect copyright.PENANAVAdCFj2QKD
Ref1:https://www.nature.com/articles/s41586-018-0343-4534Please respect copyright.PENANAYRtuHjyynK
Ref2:https://science.sciencemag.org/content/372/6537/20534Please respect copyright.PENANAr4U2U5dT67
arrow_back
科普專欄–薯不揀單
more_vert
-
info_outline 資料
-
toc 目錄
-
share 分享
-
format_color_text 介面設置
-
exposure_plus_1 推薦
-
打賞
-
report_problem 檢舉
-
account_circle 登入
X
科普專欄–薯不揀單
作者:
薯仔聞茱莉

篇 #196
三十秒科學–談生酮飲食作癌症輔助治療的可行性
喜歡 2
閱讀 530
書籤 150
campaign
催更 0
打賞

按此加載下一章
X
每次催更後,作者都會收到通知!
smartphone100 → 催更
×
寫下你喜歡這個故事的地方
×
對此喜歡的人