減低食慾從而減少進食,某程度上亦可看成為對抗肥胖或癡肥的其中一道方法。829Please respect copyright.PENANADLnddjGzH0
829Please respect copyright.PENANARwnfwLe00o
829Please respect copyright.PENANAc0qmIqQ6df
一直亦有不少研究試圖探討荷爾蒙與食慾的關係,829Please respect copyright.PENANAE5ewY92EIw
其中之一的目標就是設計出一款能壓抑食慾的藥物,輔助癡肥或糖尿病人的治療。829Please respect copyright.PENANAr5Sr6FUC9u
829Please respect copyright.PENANAI15oL7zpz5
829Please respect copyright.PENANAu8WEWZRMGm
(圖2)我們的食慾由下丘腦(Hypothalamus)所控制。829Please respect copyright.PENANATdzSeJBy6t
829Please respect copyright.PENANAOLDw37Leyy
829Please respect copyright.PENANACAPlIkgNsV
以非常簡化的角度來說,在飽肚狀態下,含有MC4R蛋白質的神經細胞便會受到刺激,我們的食慾亦會隨之受到壓抑。829Please respect copyright.PENANArvauMPMyEg
829Please respect copyright.PENANA6509dIvRGV
相反,在飢餓狀態下,含有MC4R蛋白質的神經細胞便會受到壓抑,我們的食慾亦會隨之而來。829Please respect copyright.PENANA9mKoz7rwMr
829Please respect copyright.PENANADfPaGPOaZL
老鼠缺乏MC4R蛋白質的話,體重亦會明顯上升。829Please respect copyright.PENANAQIKN4DVmVi
而MC4R的蛋白質因基因變異而導致部份功能的喪失,亦能在不少癡肥人士身上記錄得到。829Please respect copyright.PENANA0YhiZEVqkv
829Please respect copyright.PENANATHh0MGNkzR
829Please respect copyright.PENANA1tZR2gNtCn
(圖3)刺激MC4R,便能減低食慾,減低食慾,便能減低進食量,有助對抗癡肥。829Please respect copyright.PENANAsmyvdARs5X
829Please respect copyright.PENANATQByBX0Pb8
829Please respect copyright.PENANAxNSnMYgbM5
第一代刺激MC4R的藥物基於其附帶的血壓上升副作用,不得不終止研究及停止發展。829Please respect copyright.PENANAsrJyfyJbAA
829Please respect copyright.PENANAFckXHWCwF1
而好消息的是,最近(2020年11月)FDA批准了新一代刺激MC4R的藥物Setmelanotide,並沒有血壓上升的副作用,在符合對應的條件下可用作體重管理之用。829Please respect copyright.PENANAaFPZMmu3S5
829Please respect copyright.PENANAmchd04xj71
829Please respect copyright.PENANA7en7usFudK
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。829Please respect copyright.PENANArR4pKz6jUg
829Please respect copyright.PENANAuYVtgp2Yvf
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/toc829Please respect copyright.PENANAuN38DZdE0W
829Please respect copyright.PENANAn20QVeHzjV
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。829Please respect copyright.PENANAt29wHnAMJw
829Please respect copyright.PENANADDE1IWjzAa
Link:829Please respect copyright.PENANAz0HBcYLYnm
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio829Please respect copyright.PENANAE8wmp4RifV
829Please respect copyright.PENANAP2QL0xy04V
829Please respect copyright.PENANAzcTB1bQTnd
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。829Please respect copyright.PENANAU55ZWdEiAo
829Please respect copyright.PENANAs93uscl8WV
Ref1:https://pubmed.ncbi.nlm.nih.gov/33137293/829Please respect copyright.PENANA2suFR896Kh
Ref2:https://www.sciencedirect.com/science/article/pii/S2212877821000466829Please respect copyright.PENANAoQI8R7eACi
Ref3:https://pubmed.ncbi.nlm.nih.gov/9019399/829Please respect copyright.PENANALhdkuzBND7
Ref4:https://pubmed.ncbi.nlm.nih.gov/12646665/829Please respect copyright.PENANAiwYB1F8O7L
Ref5:https://pubmed.ncbi.nlm.nih.gov/18454148/829Please respect copyright.PENANAewM6EsNiuC
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科普專欄–薯不揀單
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科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #232
三十秒科學–利用藥物抑制食慾以作對抗癡肥
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