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。818Please respect copyright.PENANAZERFxuhi9o
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一直亦有不少研究試圖探討荷爾蒙與食慾的關係,818Please respect copyright.PENANAuUWMtYAVq4
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。818Please respect copyright.PENANAMpL5KnWcu8
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(圖2)我們的食慾由下丘腦(Hypothalamus)所控制。818Please respect copyright.PENANAR0hIse1d7R
818Please respect copyright.PENANAxa6G7LlGdZ
818Please respect copyright.PENANAqiwqgFkE2V
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。818Please respect copyright.PENANAHl9GrkbqRv
818Please respect copyright.PENANAVncNhbptel
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。818Please respect copyright.PENANARNkelv7G5a
818Please respect copyright.PENANARwIqk0cM5K
老鼠缺乏MC4R蛋白質的話,體重亦會明顯上升。818Please respect copyright.PENANAiotMO8I7xr
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。818Please respect copyright.PENANAfAdaE9tLgn
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(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。818Please respect copyright.PENANAb7AuA2vPVG
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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。818Please respect copyright.PENANAFIOA7xMnna
818Please respect copyright.PENANA0igKPSsA1J
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。818Please respect copyright.PENANAN9lNUc0fD1
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818Please respect copyright.PENANAkWxENHL1L9
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。818Please respect copyright.PENANA00mQC6tYZR
818Please respect copyright.PENANA0KPL7zN2fq
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/toc818Please respect copyright.PENANAsRZsyIE6mm
818Please respect copyright.PENANAlMkLQ94Ma6
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。818Please respect copyright.PENANAjNQg0brAud
818Please respect copyright.PENANAedcxe3JgZQ
Link:818Please respect copyright.PENANAbREXkZpoEh
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio818Please respect copyright.PENANAnxvggB2b2n
818Please respect copyright.PENANAnRs5Njg8ek
818Please respect copyright.PENANAUmZiL9WFzg
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。818Please respect copyright.PENANAYqFU85NPDb
818Please respect copyright.PENANAE9Yz1Q9iwV
Ref1:https://pubmed.ncbi.nlm.nih.gov/33137293/818Please respect copyright.PENANAn5D4P44H2A
Ref2:https://www.sciencedirect.com/science/article/pii/S2212877821000466818Please respect copyright.PENANAukwE9Gvc0E
Ref3:https://pubmed.ncbi.nlm.nih.gov/9019399/818Please respect copyright.PENANAvMyz42gztV
Ref4:https://pubmed.ncbi.nlm.nih.gov/12646665/818Please respect copyright.PENANAcGTlTSJihW
Ref5:https://pubmed.ncbi.nlm.nih.gov/18454148/818Please respect copyright.PENANA36qAxagTJd
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科普專欄–薯不揀單
作者:
薯仔聞茱莉
篇 #232
三十秒科學–利用藥物抑制食慾以作對抗癡肥
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