痴肥一直被譽為會增加患上糖尿病的機會。而箇中的理論,現今仍有著爭議的空間。315Please respect copyright.PENANAY2cQASo0jL
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本集將會討論眾多理論之中的其中一種,adipose tissue expandability hypothesis。315Please respect copyright.PENANA6trMUVjP2b
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(圖2)Adipose tissue expandability hypothesis的理論就是,身體專責儲存脂肪的脂肪細胞不勝負荷,無法再繼續膨脹增大儲存脂肪。315Please respect copyright.PENANALHyWjL7vH7
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正因如此,身體其他的細胞例如心臟細胞、肌肉細胞、胰臟細胞等亦唯有幫忙儲存脂肪。315Please respect copyright.PENANAMpY8Ap4JaL
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而這樣做的後果不但會損毀各種細胞的運作及功能,亦大大減低它們對胰島素的反應,導致血糖長期高企(糖尿病)。315Please respect copyright.PENANABMYrabX3c6
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(圖3)同時間,歲數增長亦是增加患上糖尿病的風險。315Please respect copyright.PENANAUTYpeID5nn
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無獨有偶,處於45-65歲的癡肥患者,其真正專責儲存脂肪的脂肪細胞存量是比同齡健康人士少25%左右。315Please respect copyright.PENANAg6p1Sjmxi3
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而天生因基因變異(PPARy, Sepin/ BCSL2, Lamin A和AKT2)而患上全身脂肪失養症的患者,脂肪細胞比例比正常人為少,其身體細胞出奇的更容易對胰島素不產生反應,導致更容易患上糖尿病。315Please respect copyright.PENANAZJgXhUMQb4
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這兩點亦是Adipose tissue expandability hypothesis的重要支持理據。315Please respect copyright.PENANADrp1Mc91WV
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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。315Please respect copyright.PENANAZ7ZTOFHzbI
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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/toc315Please respect copyright.PENANAMMbSIa9jyU
315Please respect copyright.PENANAZIJFH7Fgyg
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。315Please respect copyright.PENANAyq67KDJlzb
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Link:315Please respect copyright.PENANAV3SaeBH7wn
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio315Please respect copyright.PENANA0sHpu1PQk4
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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。315Please respect copyright.PENANA65vLRpcQNR
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Ref1:https://www.sciencedirect.com/science/article/pii/S0308814620325899?via%3Dihub#t0010315Please respect copyright.PENANAKJI7bizEsE
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科普專欄–薯不揀單
作者:
薯仔聞茱莉
篇 #189
三十秒科學–痴肥導致糖尿病的其中一道論述
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