由我們出世一刻起,心臟便不辭勞苦工作,將血液送至全身,沒有休息的一刻。562Please respect copyright.PENANAF0ek9NiEGZ562Please respect copyright.PENANAF8CCySgthF
562Please respect copyright.PENANAFfN9sGUOu3
你又有沒有想過,心臟究竟係「食咩大㗎呢」?562Please respect copyright.PENANAQW6DMdcdOy
562Please respect copyright.PENANApAz5gBiqbP
(圖2)有科學家為了解答這個問題,找來110個病人(87個心臟正常,23個心臟出現問題),請示測試者禁食一晚,然後再進行全身麻醉。562Please respect copyright.PENANAFRuhrsjxkv562Please respect copyright.PENANAB66tD5P7SO
562Please respect copyright.PENANAYqAPDICbOg
在麻醉期間的1小時裡,分別抽取對應部份血管的血液,從而計算出心臟及腳部的新陳代謝狀況(Ref1)。562Please respect copyright.PENANAdKo11v0Mam
562Please respect copyright.PENANA29OVXk7utZ
(圖3)綜合所有證據顯示,心臟同腳部均會大量吸收Ketone Bodies,Acetate及Glutamate。562Please respect copyright.PENANAVy75xwIiR1562Please respect copyright.PENANAJfoJpFCHuw
562Please respect copyright.PENANAiK2qsKlqNF
有趣的是,腳部會選擇性地吸收飽和脂肪酸,而放出非飽和脂肪酸,562Please respect copyright.PENANAItd6SuYAkY
但心臟莫論飽和與否均會全數吸收,其中脂肪酸更成為了它能量來源70%有多。562Please respect copyright.PENANAfaNRzN7SWk
562Please respect copyright.PENANAYzfYAxEctn
某程度上可以說心臟是「食脂肪大的」。562Please respect copyright.PENANAciEgSSPv7B
562Please respect copyright.PENANAZ877zmCQON
另外,心臟同腳部均有釋放氨基酸的跡象,顯示細胞的蛋白質一直處於分解狀態,而心臟其速度比腳部快10倍有多。562Please respect copyright.PENANA1pD66mlL51
562Please respect copyright.PENANAUzail5fbL8
對比健康心臟及心臟出現問題的病人,出現問題的心臟會吸取更多的Ketone Bodies及增加氨基酸的釋放數量。562Please respect copyright.PENANA4IEfApF1B0
562Please respect copyright.PENANACDiVqoXT47
究竟吸取更多的Ketone Bodies和增加氨基酸釋放量是為了阻擋心臟出現進一步惡化,還是因為出現問題所致而成,這方面還需要進一步的研究。562Please respect copyright.PENANAiiRjoJgqZ7
562Please respect copyright.PENANAjnmllfunah
562Please respect copyright.PENANAwNTgByAEdS
562Please respect copyright.PENANAEbVttngBEi
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。562Please respect copyright.PENANAlqGAQ2NFCC
562Please respect copyright.PENANAiErLXf71t5
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/toc562Please respect copyright.PENANARwUY5jZNpg
562Please respect copyright.PENANAGtnU7wlCx4
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。562Please respect copyright.PENANAkucBa9IqYW
562Please respect copyright.PENANAZofGH8fw7c
Link:562Please respect copyright.PENANApUby8TFioV
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio562Please respect copyright.PENANAup82CMhrke
562Please respect copyright.PENANAAz18wsoXHU
562Please respect copyright.PENANATmdNgPZGhZ
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。562Please respect copyright.PENANA1mCgT6TmKG
https://www.instagram.com/potatopigtongue/562Please respect copyright.PENANAomKb0bDs2x
562Please respect copyright.PENANAXocmQXjZY2
Ref1:https://science.sciencemag.org/content/370/6514/364562Please respect copyright.PENANAa2AKfdeDLE