基于piperidine/piperazine的化合物的发现和计算研究,这些化合物具有西格玛受体亲和力
Laura De Luca1, Lisa Lombardo1, Salvatore Mirabile1
1Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università degli Studi di Messina Viale Ferdinando d'Alcontres 31 98166 Messina Italy rgitto@unime.it.
RSC medicinal chemistry
|September 21, 2023
概括
研究人员通过化合物选确定了一个强大的西格玛受体1 (S1R) 配体,化合物1. 这种S1R激动剂表现出高亲和力,其结合模式是用计算方法阐明未来的药物设计.
科学领域:
- 药用化学 医学化学
- 药理学 药理学是指药理学的学科.
- 计算化学计算化学
背景情况:
- 西格玛受体1 (S1R) 是一种独特的细胞内伴侣蛋白质,与各种细胞功能和疾病有关.
- 开发选择性的S1R配体对于治疗干预至关重要.
- 皮佩里丁和皮佩拉津支架在中枢神经系统活性化合物中很常见.
研究的目的:
- 从内部的化合物库中发现新的西格玛受体1 (S1R) 配体.
- 描述新发现的配体的结合亲和力和功能活性.
- 用计算方法阐明一个化合物的结合模式.
主要方法:
- 基于piperidine/piperazine的化合物集合的高通量选.
- 放射性联体结合试验以确定S1R亲和力 (Ki值).
- 功能性测试以评估S1R的激动性或对抗性活性.
- 分子对接和分子动力学模拟用于结合模式分析.
主要成果:
- 发现了一种强大的S1R配体,即化合物2-[4-(基)-1-piperidin-1-yl]-1-4-(4-phenylpiperazin-1-yl) 乙 (1).
- 化合物1对S1R具有很高的亲和力 (Ki = 3.2 nM),与利 (Ki = 2.5 nM) 相比.
- 功能测定证实了化合物1作为S1R激动剂.
- 计算研究确定了参与化合物1与S1R相互作用的关键氨基酸残留物.
结论:
- 化合物1代表了开发新型S1R向治疗的有希望的起点.
- 基于结构的药物设计策略可以用于进一步优化化合物1.
- 鉴定的结合模式为设计下一代S1R配体提供了宝贵的见解.
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