除了COX之外的NSAID:在中和在体外 洞察乙胆酶调节的洞察力
Airam Roggero1,2, Pedro Mathias Loyola2, Caroline Ramos da Cruz2,3
1LAQV/REQUIMTEBioSIM, Department of Biomedicine, Medicine Faculty of Porto University, Porto District, Porto 4099-002, Portugal.
非类固醇抗炎药物 (NSAIDs) 可能抑制乙胆酶 (AChE),一种与神经炎症和退行性疾病相关的酶. 尼梅苏利德显示最强的结合,这表明药物重定向的双重抗炎和胆固醇效应.
科学领域:
- 药理学 药理学是指药理学的学科.
- 神经科学是一个神经科学.
- 药物发现 药物发现 药物发现
背景情况:
- 非类固醇抗炎药物 (NSAIDs) 主要以抑制循环氧化酶 (COX) 作用而闻名.
- 新出现的证据表明,NSAIDs除了抑制COX之外还具有药理作用.
- 乙胆酶 (AChE) 是一种关键的酶,涉及神经炎症,代谢功能障碍和神经退行性疾病.
研究的目的:
- 调查NSAIDs对调节人类乙胆酶 (AChE) 活性的潜力.
- 通过药物重新定位来探索NSAIDs的新型治疗应用.
- 结合计算和实验方法来发现新的药物功能.
主要方法:
- 采用了结合in silico和in vitro技术的综合方法.
- 执行基于结构的分子对接 (GOLD),分子动力学模拟 (AMBER21) 和MM-GBSA自由能量计算.
- 进行实验性酶测试以验证计算预测.
主要成果:
- 尼梅苏利德对 AChE 具有最高的结合亲和力 (ΔG = -24.2 kcal/mol),其次是迪皮龙,易布洛芬和.
- 计算分析揭示了与已知的抑制剂相似的ACHE催化峡谷内的相互作用.
- 在体外试验证实了尼梅苏利德在微分子度下对AChE活性的剂量依赖抑制.
结论:
- 无 NSAIDs,特别是 nimesulide,可能具有双重的抗炎和胆固醇调节性质.
- 这些发现凸显了尼梅苏利德作为一种针对神经炎症和相关疾病的重定向药物的潜力.
- 这项研究强调了综合计算和生物化学方法在药物发现中的价值.
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