日本京都大學的研究團隊近期在牙齒再生領域取得了突破性進展，成功研發出一種能夠促使人類重新生長牙齒的藥物。該藥物已於2024年9月開始進行首次人體臨床試驗，預計在2030年前實現廣泛應用。
研究背景與機制
該藥物的核心是一種針對USAG-1基因的抗體。USAG-1基因會透過與生長因子BMP結合來抑制牙齒的生長。研究人員發現，透過阻斷USAG-1的作用，可以啟動人體潛在的牙齒再生能力。在動物實驗中，單次注射該藥物即可使雪貂重新長出牙齒，且未發現明顯的不良反應。 (health.ltn.com.tw)
臨床試驗進展
第一階段臨床試驗於2024年9月在京都醫院展開，為期11個月，招募了30名至少缺失一顆牙齒的健康成年男性。參與者透過靜脈注射接受藥物，主要目的是評估藥物的安全性和初步療效。如果初期試驗成功，研究團隊計劃在2025年進行第二階段臨床試驗，針對2至7歲、至少先天缺失4顆牙齒的兒童患者。 (topick.hket.com)
未來展望
該藥物的成功研發有望徹底改變牙科治療模式，為先天性牙齒缺失患者提供新的治療選擇，並可能取代傳統的假牙和植牙技術。研究團隊預計，該藥物將在2030年前實現實用化，為全球缺牙患者帶來福音。 (jstories.media)
這項研究為人類探索身體再生能力開闢了新的視野，也為未來的醫學發展提供了無限可能。
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