大部份的人體細胞均會藏有油脂。當細胞需要能源的時候,油脂可以在粒線體裡頭分解成為能源。709Please respect copyright.PENANAo8RsLzyL7M709Please respect copyright.PENANAxH3Ebk4RER
709Please respect copyright.PENANAf6ESoWEWpo
(圖2)有科學家發現(Ref1),當有細菌入侵細胞的時候,細胞的油脂數量會增加,但相應的體積亦會有所縮小。709Please respect copyright.PENANA1NKJQmKqvh709Please respect copyright.PENANAdSCRP1zXad
709Please respect copyright.PENANAL3fdUuIbcJ
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(圖3)油脂除了能量儲存功用外,亦提供了各種蛋白質聚集的地方。709Please respect copyright.PENANAWwf3dmF1PB
譬如說,PLN5就是一種引領油脂抵達粒線體的蛋白質。709Please respect copyright.PENANAIlgkvw5LEq709Please respect copyright.PENANA3ZIqRn4bOJ
709Please respect copyright.PENANA7xJ3T3624F
科學家在文中指出,當有細菌入侵細胞的時候,油脂上的PLN5蛋白質就會減少,取而代之會有各種與免疫系統有關的蛋白質黏附在油脂上,並傾向與細菌接觸。709Please respect copyright.PENANAu0E588FQPe
709Please respect copyright.PENANA0fQ4QGLG3e
箇中油脂上其中一種名為Cathelicidin的蛋白質便有著破壞部份細菌的外壁功效。709Please respect copyright.PENANAnn3lq2QAQI
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(圖4)隨著油脂用作對付細菌的關係,油脂再也無瑕抵達粒線體作分解能源之用。因此在對抗入侵者期間,細胞亦會因而傾向轉用葡萄糖作為能量來源。709Please respect copyright.PENANAFTl1FDPnRA709Please respect copyright.PENANAGsyvKB5LVN
709Please respect copyright.PENANAEmHTmGJpxC
之於如何善用這種知識來研發對抗感染的療法,那將會是科學家們日後的命題。709Please respect copyright.PENANAIj05XzMVHi
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709Please respect copyright.PENANAEiD2OLNq98
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。709Please respect copyright.PENANARz2WL3cEEf
709Please respect copyright.PENANA1ginWKPS7o
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/toc709Please respect copyright.PENANAMRY5psVpcB
709Please respect copyright.PENANAmrMyPYQM6L
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。709Please respect copyright.PENANAswr9pVcKJb
709Please respect copyright.PENANArT9RGrDctJ
Link:709Please respect copyright.PENANAlL4bvJVW8E
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio709Please respect copyright.PENANAn0jy9t9dL5
709Please respect copyright.PENANA7K0OjAwtyI
709Please respect copyright.PENANAKgzienoJwp
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。709Please respect copyright.PENANAAT7OGIC1MR
709Please respect copyright.PENANAmr2Xk7SQBj
Ref1:https://science.sciencemag.org/content/370/6514/eaay8085709Please respect copyright.PENANAWkMlmpPvGM
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作者:
薯仔聞茱莉

篇 #81
深入淺出–油脂在細胞裡的功用
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