衰老对血管健康的影响
Bulbul Ahmed1, Ahmed A Rahman2, Sujin Lee3
1Evans Department of Medicine and Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, MA 02118, USA.
International journal of molecular sciences
|October 26, 2024
概括
血管衰老会导致结构和功能变化,增加心血管疾病的风险. 了解这些与年龄相关的血管变化是预防老年人心脏病发作和中风的关键.
科学领域:
- 心血管科学 心血管科学
- 老年学是指老年学的学科.
- 血管生物学 血管生物学
背景情况:
- 心血管疾病 (CVD) 是全球主要的死亡原因,发病率和患病率随着年龄的增长而急剧上升.
- 血管衰老,以血管结构和功能变化为特征,显著导致与年龄相关的心血管疾病发病率和死亡率,主要来自心肌梗塞和中风.
研究的目的:
- 审查血管衰老的多面性方面,包括细胞和结构变化.
- 探索这些与年龄相关的血管变化的生理和病理影响.
- 通过对血管衰老机制的更深入理解,突出延迟或预防衰老人口中心血管死亡的潜力.
主要方法:
- 审查细胞水平上与年龄相关的变化:内皮功能障碍,细胞衰老,血管光滑肌肉细胞转差.
- 检查结构变化:动脉硬,动脉壁厚度和直径的变化.
- 探索周围血管脂肪组织的与衰老相关的变化,动脉附带化和化.
主要成果:
- 衰老会诱导血管的表型变化,增加对疾病的易感性,独立于传统的风险因素.
- 细胞表型和分子稳态的与年龄相关的修改增加了动脉对结构和功能变化的脆弱性,加速了心血管风险.
- 非侵入性技术 (例如,动脉内膜介质厚度,脉冲波速度,流媒体扩张,血管化检测) 允许早期检测血管衰老.
结论:
- 了解年龄引起的血管修饰对于预防和延缓心血管疾病至关重要.
- 针对特定的病理机制,如细胞衰老和增强血管生成,为血管衰老提供了有希望的治疗途径.
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