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。763Please respect copyright.PENANAbYI6LVrCgp763Please respect copyright.PENANAaalgga7HAS
763Please respect copyright.PENANACOO7kSiOMt
(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。763Please respect copyright.PENANAqjbvMxC5yE763Please respect copyright.PENANAg6kGqfhjOl
763Please respect copyright.PENANAOHv12qypLN
(圖3)ZIP14蛋白質的主要作用是把鋅 (Zinc)輸送到細胞裡頭。763Please respect copyright.PENANA9plIOOBxBY763Please respect copyright.PENANAzA6T3hvmdl
763Please respect copyright.PENANAgklyaeNIdl
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。763Please respect copyright.PENANAxH6ecUfnhw
763Please respect copyright.PENANA2LyN42WXx6
763Please respect copyright.PENANATqYpBoNBeO
(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。763Please respect copyright.PENANAta8mvOJbVO763Please respect copyright.PENANA4oYkRRHtA1
763Please respect copyright.PENANATY8X04jnGO
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。763Please respect copyright.PENANA58LzWM9oJ0
763Please respect copyright.PENANAcZmvrMjQ04
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。763Please respect copyright.PENANAvbHDjQLaUG
763Please respect copyright.PENANAkxzgauqZbi
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。763Please respect copyright.PENANAMNOoXPU8vK
763Please respect copyright.PENANABOC5svYfxA
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/toc763Please respect copyright.PENANAnM6zoeIxmF
763Please respect copyright.PENANAHO17p5yP4j
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。763Please respect copyright.PENANAE5SGV5b7Sp
763Please respect copyright.PENANAyPK44VnR9I
Link:763Please respect copyright.PENANA50TRdHoo9q
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio763Please respect copyright.PENANAP6kbIKYGCR
763Please respect copyright.PENANAPelI0TFYS2
763Please respect copyright.PENANAKdTsn2Qx7y
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。763Please respect copyright.PENANAzxM8zr4Phf
763Please respect copyright.PENANAXQR3DuC4z9
Ref1:https://pubmed.ncbi.nlm.nih.gov/29875463/763Please respect copyright.PENANAkyoHNBwK4b
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科普專欄–薯不揀單
Author:
薯仔聞茱莉

ISSUE #203
三十秒科學–癌症所導致的體重流失(4)
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