要理解為何癌症會導致肌肉萎縮,其中的一道辦法就是對比萎縮肌肉與正常肌肉有甚麼分別,再以推敲其相關的機制。781Please respect copyright.PENANAlo2a3Kqpw0781Please respect copyright.PENANAstkwdLZmNV
781Please respect copyright.PENANAFz4kvvSGmC
(圖2)研究發現,患癌老鼠的萎縮肌肉中,其名為ZIP14的蛋白質含量特別高企,且在患癌的老鼠但其肌肉並沒有萎縮的情況下, ZIP14的蛋白質含量並沒有顯著提升。781Please respect copyright.PENANA7ETwr7ahsV781Please respect copyright.PENANAP8quTwie1V
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(圖3)ZIP14蛋白質的主要作用是把鋅 (Zinc)輸送到細胞裡頭。781Please respect copyright.PENANAlcmLQu6m8Z781Please respect copyright.PENANAVzWwp8CpuU
781Please respect copyright.PENANA2bFWuk0oz1
科學家量度因癌症而導致萎縮的肌肉,發現肌肉的鋅 (Zinc)含量的確是比正常肌肉的為多,與其ZIP14蛋白質含量不謀而合。781Please respect copyright.PENANAGLWfdpDynR
781Please respect copyright.PENANAcB1UPlYva4
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(圖4)利用基因工程移除ZIP14蛋白質的話,可以見得到患癌老鼠的肌肉細胞橫切面並沒有顯著的減少。781Please respect copyright.PENANAEfYtJ4cJlJ781Please respect copyright.PENANASvOpqi7gto
781Please respect copyright.PENANAVgUkxlUb94
再作一系列的實驗後,科學家推斷當癌細胞所釋出的TGFa/b物質到達肌肉位置後,便會引起肌肉ZIP14蛋白質含量上升,因而引起肌肉萎縮。781Please respect copyright.PENANAGvtQIHYtb0
781Please respect copyright.PENANAPMRTqyEfTL
科學家們現正研究如何針對ZIP14蛋白質來抑制癌症所引致的肌肉萎縮,結果適目而待。781Please respect copyright.PENANAyP8VJzvhuf
781Please respect copyright.PENANARPxYSmF2p2
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。781Please respect copyright.PENANAIe1rdOZF8S
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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/toc781Please respect copyright.PENANAppn6PdZras
781Please respect copyright.PENANAq14oUDnj8D
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。781Please respect copyright.PENANATrrBTs4UFI
781Please respect copyright.PENANAzrYJakYczd
Link:781Please respect copyright.PENANAetgdltvLHS
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio781Please respect copyright.PENANAP8EFeSXZ8j
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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。781Please respect copyright.PENANAS5wWbrZn1r
781Please respect copyright.PENANAB14aJ9Efwv
Ref1:https://pubmed.ncbi.nlm.nih.gov/29875463/781Please respect copyright.PENANAvSEq91IaY7
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薯仔聞茱莉

篇 #203
三十秒科學–癌症所導致的體重流失(4)
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