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Design, Synthesis, and Structure-Activity Relationship Studies of Novel Indolyalkylpiperazine Derivatives as Selective 5-HT1A Receptor Agonists.
Journal of Chemical Information and Modeling ( IF 5.6 ) Pub Date : 2020-01-15 , DOI: 10.1021/acs.jcim.9b00926 Wenli Wang 1 , Lan Zheng 1 , Wei Li 1 , Chen Zhu 1 , Weiqing Peng 1 , Bing Han 1 , Wei Fu 1
Journal of Chemical Information and Modeling ( IF 5.6 ) Pub Date : 2020-01-15 , DOI: 10.1021/acs.jcim.9b00926 Wenli Wang 1 , Lan Zheng 1 , Wei Li 1 , Chen Zhu 1 , Weiqing Peng 1 , Bing Han 1 , Wei Fu 1
Affiliation
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5-HT1A receptor (5-HT1AR) agonists have been implicated in the treatment of a variety of central nervous system (CNS) diseases such as depression and anxiety, et al. Based on our previously found compound FW01 (Ki = 51 ± 16 nM) obtained by virtual screening, a series of FW01 derivatives were designed and synthesized by the modification of the amide tail group as well as indole headgroup of FW01. SAR exploration found that amide tail group and indole headgroup play pivotal roles in determining the binding affinity and selectivity on dopamine and serotonin receptor subtypes. Among all tested compounds, 9_24 has a Ki value of 5 ± 0.6 nM with a good selectivity toward 5-HT1AR. The [35S] GTPγS assay showed that 9_24 is a full agonist toward 5-HT1AR with an EC50 value of 0.059 nM, which shows 266.2 and 146.4-fold selectivity to 5-HT2A and D3 respectively. Molecular dynamics simulations and molecular docking studies with 5-HT1AR-9_24 were performed to disclose the mechanism of its high activity and selectivity. Finally, a detailed stepwise 9_24 induced signal transduction mechanism of 5-HT1AR is proposed.
中文翻译：
新型吲哚烷基哌嗪衍生物作为选择性5-HT1A受体激动剂的设计，合成和结构-活性关系研究。
5-HT1A受体（5-HT1AR）激动剂已涉及多种中枢神经系统（CNS）疾病的治疗，例如抑郁症和焦虑症等。基于我们先前发现的通过虚拟筛选获得的化合物FW01（Ki = 51±16 nM），通过修饰FW01的酰胺尾基和吲哚基团设计并合成了一系列FW01衍生物。SAR探索发现，酰胺尾基和吲哚基团在确定对多巴胺和5-羟色胺受体亚型的结合亲和力和选择性中起着关键作用。在所有测试的化合物中，9_24的Ki值为5±0.6 nM，对5-HT1AR的选择性很好。[35S]GTPγS分析显示9_24是对5-HT1AR的完全激动剂，EC50值为0.059 nM，显示为266.2和146。对5-HT2A和D3的选择性是4倍。用5-HT1AR-9_24进行了分子动力学模拟和分子对接研究，以揭示其高活性和选择性的机理。最后，提出了5-HT1AR的逐步9_24诱导信号转导机制。
更新日期：2020-01-15
中文翻译：
新型吲哚烷基哌嗪衍生物作为选择性5-HT1A受体激动剂的设计，合成和结构-活性关系研究。
5-HT1A受体（5-HT1AR）激动剂已涉及多种中枢神经系统（CNS）疾病的治疗，例如抑郁症和焦虑症等。基于我们先前发现的通过虚拟筛选获得的化合物FW01（Ki = 51±16 nM），通过修饰FW01的酰胺尾基和吲哚基团设计并合成了一系列FW01衍生物。SAR探索发现，酰胺尾基和吲哚基团在确定对多巴胺和5-羟色胺受体亚型的结合亲和力和选择性中起着关键作用。在所有测试的化合物中，9_24的Ki值为5±0.6 nM，对5-HT1AR的选择性很好。[35S]GTPγS分析显示9_24是对5-HT1AR的完全激动剂，EC50值为0.059 nM，显示为266.2和146。对5-HT2A和D3的选择性是4倍。用5-HT1AR-9_24进行了分子动力学模拟和分子对接研究，以揭示其高活性和选择性的机理。最后，提出了5-HT1AR的逐步9_24诱导信号转导机制。
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