513-米色脂肪缺失与血管重塑及高血压 episode artwork

EPISODE · Feb 17, 2026 · 20 MIN

513-米色脂肪缺失与血管重塑及高血压

from 聊聊Sci

这项研究揭示了米色脂肪(一种产热脂肪)在维持心血管健康和调节血压中的关键作用。通过对缺失 Prdm16 基因的小鼠进行实验,研究人员发现这种脂肪特性的丧失会导致血管重塑、纤维化以及血压升高。研究进一步锁定了一种名为 QSOX1 的分泌酶,当米色脂肪功能受损时,该酶会被过度释放,从而诱发血管病变。人类遗传学数据同步证实,PRDM16 基因变异与高血压风险密切相关,而缺乏活跃棕色脂肪的人群更容易出现心脏重塑。最终,实验证明通过抑制 QSOX1 可以逆转血管功能障碍,这为治疗高血压提供了全新的潜在靶点。References: Koenen M, Becher T, Pagano G, Del Gaudio I, Barrero JA, Montezano AC, Ruiz Ortiz J, Lin Z, Gómez-Banoy N, Amblard R, Schriever D, Kars ME, Rubinelli L, Halix SJ, Huang Cao ZF, Zeng X, Butler SD, Itan Y, Touyz RM, Di Lorenzo A, Cohen P. Ablation of Prdm16 and beige fat identity causes vascular remodeling and elevated blood pressure. Science. 2026 Jan 15;391(6782):306-313. doi: 10.1126/science.ady8644. Epub 2026 Jan 15. PMID: 41538429.前往小宇宙评论区与主播互动

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513-米色脂肪缺失与血管重塑及高血压

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