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。815Please respect copyright.PENANAtXFHKM4Xq5
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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,815Please respect copyright.PENANApZi8PWTSAq
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。815Please respect copyright.PENANAe10Wi8742r
815Please respect copyright.PENANAVWUxEfzZkU
815Please respect copyright.PENANAwm4Sgqtgjg
(圖2)我們的食慾由下丘腦(Hypothalamus)所控制。815Please respect copyright.PENANA9QeGbNqkEF
815Please respect copyright.PENANAtVIcI6k9bH
815Please respect copyright.PENANAWvQeMDGU4O
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。815Please respect copyright.PENANAdq8d17Uxxg
815Please respect copyright.PENANA2SpdZha0PM
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。815Please respect copyright.PENANAwGLQDreR82
815Please respect copyright.PENANAyF7KaFdbWb
老鼠缺乏MC4R蛋白質的話,體重亦會明顯上升。815Please respect copyright.PENANA3vX7PEp8ZO
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。815Please respect copyright.PENANAysRn8dOzbV
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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。815Please respect copyright.PENANAxFXyTxl8Po
815Please respect copyright.PENANAQox4iK0xnX
815Please respect copyright.PENANAPNpZko9zvH
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。815Please respect copyright.PENANA2HNr3DuZhc
815Please respect copyright.PENANAwQKRy0ZAA5
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。815Please respect copyright.PENANAnsJU4a2xpW
815Please respect copyright.PENANA6wryarmeBH
815Please respect copyright.PENANAbE7Oal5QKs
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。815Please respect copyright.PENANACfy7vVmkAI
815Please respect copyright.PENANA35L5xfcJQm
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/toc815Please respect copyright.PENANAX1ZZuaeQCS
815Please respect copyright.PENANAc6FN9Nkxdp
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。815Please respect copyright.PENANAiphLeMycYx
815Please respect copyright.PENANAsJnnH7RouV
Link:815Please respect copyright.PENANA5FASshHQvY
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio815Please respect copyright.PENANAzPULCcVyRn
815Please respect copyright.PENANAtvlUc9VOIA
815Please respect copyright.PENANAOqTgN1fX0w
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。815Please respect copyright.PENANACga4vVcOeP
815Please respect copyright.PENANAmmEFMregiN
Ref1:https://pubmed.ncbi.nlm.nih.gov/33137293/815Please respect copyright.PENANAJq5rwxfwj7
Ref2:https://www.sciencedirect.com/science/article/pii/S2212877821000466815Please respect copyright.PENANAVG6BpjotLl
Ref3:https://pubmed.ncbi.nlm.nih.gov/9019399/815Please respect copyright.PENANAWLOCrTE0hc
Ref4:https://pubmed.ncbi.nlm.nih.gov/12646665/815Please respect copyright.PENANAJj89K8C8Av
Ref5:https://pubmed.ncbi.nlm.nih.gov/18454148/815Please respect copyright.PENANAUGL2uLtgEr
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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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