骨髓(Bone Marrow)是不少幹細胞的聚居地,而紅血球、白血球、血小板等都是從骨髓裡頭的幹細胞而來。1195Please respect copyright.PENANAiw5biRLuCt1195Please respect copyright.PENANAE2CZgz46Bb
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(圖2)老鼠在跑動滾輪運動四星期後,其頭腦骨髓裡專門負責製造免疫細胞的幹細胞數量並沒有明顯改變。1195Please respect copyright.PENANAAexAXWJtmr
而在運動時候所用到的腳骨內,專門負責製造免疫細胞的幹細胞數量則有所增加。1195Please respect copyright.PENANArhq1MOoXgt1195Please respect copyright.PENANAVcmWMmtV3L
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(圖3)研究發現(Ref1),骨髓裡某類型的幹細胞表面有著名為Pizeo1的蛋白質。1195Please respect copyright.PENANAqX5eh2on0r
當它受到運動等的物理刺激後,便會催動自身幹細胞演變成為骨細胞,同時亦會釋放物質,誘導其他幹細胞演變成為與免疫系統有關的細胞。1195Please respect copyright.PENANAqz8Yj1mx9i1195Please respect copyright.PENANAt5gHXMXzaB
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缺乏Pizeo1蛋白質的老鼠當受到細菌感染的時候,所產生的免疫系統細胞數量亦明顯比擁有Pizeo1蛋白質的老鼠為少。1195Please respect copyright.PENANAz9hXxGRAv8
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而除運動外,歲數亦會影響與免疫系統有關的幹細胞數量,18個月大的老鼠其數量明顯少於2個月大的老鼠。1195Please respect copyright.PENANAl0s0ZlwM3b
1195Please respect copyright.PENANArPzpq8T6Hs
若人類亦是採用相同機制的話,這或許是其中一道解釋運動能提升身體免疫力的理據。1195Please respect copyright.PENANAH9KAANIULo
1195Please respect copyright.PENANAbNnsyuQMkH
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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。1195Please respect copyright.PENANAOn9kLXSw3B
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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/toc1195Please respect copyright.PENANAFyWjk8GOTf
1195Please respect copyright.PENANAvpkRfuRMYC
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。1195Please respect copyright.PENANACyYGnUgZae
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Link:1195Please respect copyright.PENANAC6TILaJelj
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio1195Please respect copyright.PENANAHuWKxWh6sP
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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。1195Please respect copyright.PENANAuFRXm7P6nB
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Ref1:https://www.nature.com/articles/s41586-021-03298-51195Please respect copyright.PENANAejn5tsxno9
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科普專欄–薯不揀單
作者:
薯仔聞茱莉

篇 #166
三十秒科學–做運動能增強身體免疫力?
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