使用基于人工智能的虚拟查发现了一种新的心脏特异性肌调节器
Priyanka Parijat1, Seetharamaiah Attili1, Zoe Hoare2
1Randall Centre for Cell and Molecular Biophysics; and British Heart Foundation Centre of Research Excellence, King's College London, London, SE1 1UL, United Kingdom.
Nature communications
|November 24, 2023
概括
研究人员使用人工智能驱动的查确定了一种新的心脏肌抑制剂F10. 这种小分子稳定了髓素.
科学领域:
- 生物化学 生物化学
- 心血管生物学 心血管生物学
- 药理学 药理学是指药理学的学科.
背景情况:
- 直接调节心脏肌素功能是心脏病和心力衰竭的关键治疗策略.
- 由于缺乏有效的体外查试验,开发基于髓的治疗方法具有挑战性.
- 需要针对心脏肌肉素的新型小分子来推进治疗选择.
研究的目的:
- 通过基于人工智能的虚拟高通量查 (vHTS) 来识别人类β-心脏肌肉素的新型小分子作用因子.
- 在心肌模型中描述已识别的化合物的作用机制和疗效.
主要方法:
- 基于人工智能的虚拟高通量查 (vHTS) 来识别潜在的肌抑制剂.
- 生物化学反幕用于验证已识别的化合物.
- 在分离的蛋白质和肌肉纤维中的化合物的生物物理特征.
- 在隔离的肌纤维和Langendorff穿透的心脏中对功能影响的评估.
主要成果:
- vHTS发现了人类β-心脏肌肉素的新型小分子作用因子.
- 一种新的化学支架"F10"被确定为一种特定于心脏的低微分子肌抑制剂.
- F10稳定了心脏肌肉素的生化 (超放松状态) 和结构 (相互作用头部动机) OFF 状态.
- F10可降低隔离肌纤维的力和 perfused 心脏的左心室压力.
结论:
- F10代表了一种用于心脏肌肉蛋白调节的新型化学支架.
- 已识别的化合物在稳定髓关闭状态和减少心脏收缩性方面表现出有效性.
- F10作为一种可调节的支架,用于开发一种用于心脏病的新型肌肉素调节器.
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