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。923Please respect copyright.PENANAIWr6SwQppk
923Please respect copyright.PENANAWGSVlJXWsj
923Please respect copyright.PENANA3DPRdKOYOJ
(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。923Please respect copyright.PENANA58m25VSCaK
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。923Please respect copyright.PENANAkUrxxlnvdK
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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。923Please respect copyright.PENANA3qKDLcFNtq
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。923Please respect copyright.PENANAtxhSYFG0B7
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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。923Please respect copyright.PENANAwEFQC3LLDm
923Please respect copyright.PENANAXonDfBvVGv
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。923Please respect copyright.PENANAI9Ue1258fO
923Please respect copyright.PENANAo4HWO5Vt5p
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。923Please respect copyright.PENANAWCgMdadoHo
923Please respect copyright.PENANA7dWTqmxzZA
923Please respect copyright.PENANAzmIjireNvu
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。923Please respect copyright.PENANANk2TBczj9h
923Please respect copyright.PENANAdgGH1ouVav
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/toc923Please respect copyright.PENANAf5VIw67HvW
923Please respect copyright.PENANA5Ae8PwcfDm
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。923Please respect copyright.PENANAygmpabps5D
923Please respect copyright.PENANADMDuBADjva
Link:923Please respect copyright.PENANA45nq55WJ2q
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio923Please respect copyright.PENANA0BDbGfrKaM
923Please respect copyright.PENANAvptHvOO3UB
923Please respect copyright.PENANALBekbDG4Ci
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。923Please respect copyright.PENANAznDAMjH4Rd
923Please respect copyright.PENANARRN3SvfwKQ
Ref1:https://www.nature.com/articles/s41586-021-03298-5923Please respect copyright.PENANAFj2zS0cqqS
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科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #166
三十秒科學–做運動能增強身體免疫力?
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