我們身體的細胞,會否作出多餘或者浪費的事情呢?531Please respect copyright.PENANAA2SRB73bfF531Please respect copyright.PENANAnLFo5xmMND
531Please respect copyright.PENANA5df0jScgTq
(圖2)超級簡化來說,我們細胞內含的粒線體能夠將我們所攝取的營養經由一系列的過程轉化成為ATP。531Please respect copyright.PENANAFBPBY4CWcF531Please respect copyright.PENANAZtCDyv1rjT
531Please respect copyright.PENANAL7ZskwK06f
ATP能夠為細胞提供所需的能源,我們的手腳之所以可以伸縮自如,全賴身體肌肉細胞等耗用ATP才能達成。531Please respect copyright.PENANAqE6BrN96XP
531Please respect copyright.PENANAWXVVOjuWyc
(圖3)而唯獨在專門製造熱能的啡色脂肪細胞粒線體裡頭,內裡有一隻名為CKB(Creatine Kinase B)的蛋白酶會迅速透過Creatine將大量的ATP立刻轉回為ADP以及Phosphocreatine;531Please respect copyright.PENANAjoVl1ksjbv
肌肉細胞及白色脂肪細胞雖然也會進行這步驟,但效率遠遠低於啡色脂肪細胞。531Please respect copyright.PENANAf7OXR66pXo
531Please respect copyright.PENANA4SskFoXBt7531Please respect copyright.PENANAc85TNdRK4I
531Please respect copyright.PENANAdPeZc69mOy
ADP並不是細胞通用的能量單位,辛辛苦苦將得來的ATP又轉回成為ADP,情形就如在中國大陸境內將辛苦得來的美金(ATP)轉換為人民幣(ADP)一樣,驟眼看起上來超級無謂及浪費。531Please respect copyright.PENANAuurwTxqWaZ
531Please respect copyright.PENANAxSw5YHSDs4
531Please respect copyright.PENANAwhW4Tffzhe
雖然細胞可以透過Phosphocreatine及ADP轉化成為ATP及Creatine,但在咖色脂肪細胞裡頭,這情況在大部分的時間也沒有發生,正如大陸境內沒法能夠兌換人民幣(ADP)為美金(ATP)一樣。531Please respect copyright.PENANATsou6TMCTf
531Please respect copyright.PENANAsgjOxXY9BC
理論上,身體細胞理應發展出一套非常完善的系統,不會做出多餘浪費的行為。531Please respect copyright.PENANAmNls2QmiXc
531Please respect copyright.PENANAdshEtVF1wc
而現時開始有證據顯示,這「浪費行為」相信能夠輔助啡色脂肪將營養轉化成為熱能,而非能量的儲存。531Please respect copyright.PENANAhuh8EqPw6a
531Please respect copyright.PENANAF5UiCUmmc4
若能夠完整地理解整個機制,或許可透過藥物影響肚腩(白色脂肪)的CKB蛋白酶含量,將肚腩脂肪逐一消耗成為熱能,達減肥之效。531Please respect copyright.PENANAUl1RPsnJwX
531Please respect copyright.PENANAAFPfuWFZHm
531Please respect copyright.PENANAvnBEGisTol
531Please respect copyright.PENANAU5Ks5n3VZM
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。531Please respect copyright.PENANAgGzGB4f9Pd
531Please respect copyright.PENANA6IXgDdZmdp
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/toc531Please respect copyright.PENANAPomOHkaehT
531Please respect copyright.PENANAc7brpWYDGG
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。531Please respect copyright.PENANAGYZ4jQjEb6
531Please respect copyright.PENANANwpXGoOzH8
Link:531Please respect copyright.PENANAhYNnv9TWUo
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio531Please respect copyright.PENANAJWBELIYVVD
531Please respect copyright.PENANA67JvRhhoOz
531Please respect copyright.PENANAn4Ib5aLt2u
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。531Please respect copyright.PENANAVQ0WKOQyGK
531Please respect copyright.PENANAtxnpJrniCm
Ref1:https://www.nature.com/articles/s41586-021-03221-y531Please respect copyright.PENANApuLg2gWz0U