EPISODE · Jan 13, 2026 · 18 MIN
瘦體素：從分子機制到肥胖治療的全面解碼
from 三瘋資料庫 · host 一天瘋三次
瘦體素（Leptin）從發現至今的科學進程，標誌著脂肪組織從被動儲能轉變為主動內分泌調節器的認知革命。內文探討了瘦體素如何透過下視丘神經迴路監測體脂狀態，並藉由抑制食慾與提升代謝來維持能量恆定。然而，肥胖症的核心挑戰在於瘦體素阻抗，即高濃度的激素因血腦屏障轉運受損或細胞內負回饋抑制，無法發揮減重效能。研究進一步對比了罕見的絕對缺乏與常見的病理性阻抗，提出人類生理機制更傾向於防禦飢餓而非對抗肥胖。最後，報告指出利用 GLP-1 與昇糖素雙重激動劑等新興藥理手段，有望重新恢復大腦對瘦體素的敏感性，為現代代謝疾病提供新的治療框架。 -- Hosting provided by SoundOn
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瘦體素：從分子機制到肥胖治療的全面解碼
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