阳性调节N-甲基-d-酸盐受体:对类固醇C-17和C-20氧胺乙烯的结构活性关系研究
Santosh Kumar Adla1, Barbora Hrčka Krausová2, Bohdan Kysilov2
1Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences Flemingovo Namesti 2 Prague 6 - Dejvice 16610 Czech Republic kudova@uochb.cas.cz.
这项研究开发了新型的孕类衍生物,作为N-甲基-D-酸盐受体 (NMDARs) 的强有力的正调节剂 (PAMs). 与内源性神经类固醇相比,这些化合物显示出增强的疗效和类似药物的特性.
科学领域:
- 神经科学是一个神经科学.
- 药用化学 医学化学
- 药理学 药理学是指药理学的学科.
背景情况:
- N-甲基-D-酸盐受体 (NMDARs) 是关键的治疗点.
- 内源性神经类固醇,如孕醇硫酸盐 (PES),调节NMDAR的活性.
研究的目的:
- 在NMDARs上探索类固醇D环修饰的结构-活性关系.
- 合成和评估新型的孕醇和安德罗斯坦衍生物作为NMDAR阳性全调节剂 (PAMs).
主要方法:
- 合成pregn-5-ene和androst-5-ene衍生物与氧基和氧基以太修饰.
- 使用补丁电生理学对重组GluN1/GluN2B受体PAM活性的评估.
- 评估ADME在体外的特征,包括代谢稳定性和可溶性.
主要成果:
- 孕醇衍生C-20氧化乙烯表现出强大而有效的NMDAR PAM活性.
- 与PES相比,化合物12 (C-20乙烯氧化) 显示出更高的疗效 (Emax = 673%).
- 化合物17 (C-20甲基氧胺乙醇) 显示出高强度 (EC50 = 6.1 μM),超过PES.
- 关键化合物表现出良好的代谢稳定性和可溶性.
结论:
- 用C-20氧胺乙烯修改孕醇支架是一种有效的策略,用于开发强大的NMDAR PAMs.
- 新型衍生品在疗效和类似药物的特性方面比内源调节剂具有潜在的优势.
- 这些发现支持开发针对NMDARs的新疗法.
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