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血管光滑肌细胞衍生的KIF13B可以防止动脉样硬化:来自人类和小鼠的证据

Guolin Miao¹, Yufei Han¹, Jingxuan Chen¹

¹Institute of Cardiovascular Sciences, State Key Laboratory of Vascular Home, School of Basic Medical Sciences, Peking University, Beijing, China.

The Journal of clinical investigation

|January 29, 2026

概括

素家族13B成员 (KIF13B) 通过稳定血管光滑肌细胞 (VSMCs) 来预防动脉样硬化. 针对KIF13B/KCTD10/KLF4通路,使用诸如肯帕隆 (Kenpaullone) 等抑制剂,可以治疗晚期心血管疾病.

科学领域:

心血管生物学心血管生物学
分子医学是分子医学.
动脉样硬化研究动脉样硬化研究

背景情况:

动脉样性心血管疾病 (ASCVD) 是一个主要的全球健康问题,由不稳定的斑块驱动.
血管光滑肌细胞 (VSMC) 现型切换在动脉样硬化中至关重要,但机制尚不清楚.
基尼辛家族13B成员 (KIF13B) 在VSMC中的作用及其对动脉样硬化的影响尚不清楚.

研究的目的:

为了研究KIF13B在VSMCs在动脉动脉生成过程中的功能.
阐明KIF13B影响VSMC命运和斑块稳定性的分子机制.
评估针对KIF13B途径在晚期动脉样硬化中的治疗潜力.

主要方法:

生成的VSMC特定的Kif13b淘汰赛小鼠与PCSK9过度表达的小鼠交叉.
分析了动脉样硬化病变的发展,斑块稳定性标志物 (纤维帽厚度,炎症).
研究了KIF13B/KCTD10/KLF4相互作用,无处不在和蛋白质体降解途径.
用KLF4抑制剂肯帕隆来评估救援效应.

主要成果:

特定于VSMC的Kif13b缺失加剧了病变的发展和损害了斑块的稳定性.
发现KIF13B通过KCTD10依赖的途径促进KLF4的泛化和蛋白质体降解.
由于KIF13B降低了KLF4水平,抑制了VSMC的炎症反应和纤维细胞样过渡.
肯帕隆治疗挽救了Kif13b缺乏的不良影响,改善了斑块的稳定性.

结论:

KIF13B通过维护VSMC收缩性表型,发挥着VSMC特有的气体保护作用.
KIF13B/KCTD10/KLF4轴是VSMC命运和动脉样硬化斑块稳定性的关键调节器.
例如,通过KLF4抑制剂向这种途径,对晚期动脉样硬化有治疗的希望.

关键词:

动脉样硬化是一种动脉样硬化.心脏病学心脏病学血管生物学血管生物学

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