【國際期刊導讀】囊泡單胺轉運抑制劑的新藥研發 episode artwork

EPISODE · Jan 13, 2026 · 31 MIN

【國際期刊導讀】囊泡單胺轉運抑制劑的新藥研發

from 探索大腦的會談地圖 · host 林煜軒醫師

在腦神經的複雜對話中,囊泡單胺轉運體(vesicular monoamine transport,簡稱 VMAT)扮演著極為關鍵的角色。它負責把多巴胺、血清素、正腎上腺素等神經傳導物質「打包」進小囊泡,讓神經元在需要時能一次釋放出精準劑量,傳遞給下一個神經細胞。若沒有這道工序,腦內訊號就像缺乏秩序的雜音,難以維持正常的動作、情緒與認知。正因如此,VMAT 不只是一個小小的運輸蛋白,而是維持神經網路穩定運作的樞紐。如何調控 VMAT 成為新藥研發的重要戰場。若能減少小泡中可釋放的多巴胺與血清素,就有機會抑制因訊號過強而導致的病症,例如亨丁頓舞蹈症( Huntington's disease)或遲發性不自主運動(tardive dyskinesia)。 這便是 VMAT 抑制劑的立足點:它們不是直接封鎖受體,而是從源頭減少囊泡裡的「存貨」。近十年來,藥廠競逐的焦點已經不只是找到能抑制 VMAT2 的分子,更在於如何讓藥物具有更高的選擇性、更少的脫靶作用,以及更穩定的藥物動力學特性。權威醫學期刊《柳葉刀》(Lancet)的這篇回顧文獻,就是完整地介紹囊泡單胺轉運體抑制劑,這項藥物研發的新焦點。 - 📖 論文原文:Vesicular monoamine transport inhibitors: current uses and future directions. Lancet. 2025 Aug 9;406(10503):650-664. 📖【泛科學-小藥廠的研發傳奇】https://pansci.asia/archives/119808 Powered by Firstory Hosting

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【國際期刊導讀】囊泡單胺轉運抑制劑的新藥研發

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