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首页> 外文期刊>Journal of Medicinal Chemistry >Novel Mixed NOP/Opioid Receptor Peptide Agonists
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Novel Mixed NOP/Opioid Receptor Peptide Agonists

机译:新型混合NOP /阿片类受体肽激动剂

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摘要

The nociceptin/orphanin FQ (N/OFQ)/N/OFQ receptor (NOP) system controls different biological functions including pain and cough reflex. Mixed NOP/opioid receptor agonists elicit similar effects to strong opioids but with reduced side effects. In this work, 31 peptides with the general sequence [Tyr/Dmt(1),Xaa(5)]N/OFQ(1-13)-NH2 were synthesized and pharmacologically characterized for their action at human recombinant NOP/opioid receptors. The best results in terms of NOP versus mu opioid receptor potency were obtained by substituting both Tyr(1) and Thr(5) at the N-terminal portion of N/OFQ(1-13)-NH2 with the noncanonical amino acid Dmt. [Dmt(1,5)]N/OFQ(1-13)-NH2 has been identified as the most potent dual NOP/mu receptor peptide agonist so far described. Experimental data have been complemented by in silico studies to shed light on the molecular mechanisms by which the peptide binds the active form of the mu receptor. Finally, the compound exerted antitussive effects in an in vivo model of cough.
机译:nociceptin/orphanin-FQ(N/OFQ)/N/OFQ受体(NOP)系统控制不同的生物学功能,包括疼痛和咳嗽反射。混合NOP/阿片受体激动剂与强阿片类药物产生相似的作用,但副作用减少。在这项工作中,我们合成了31种具有[Tyr/Dmt(1),Xaa(5)]N/OFQ(1-13)-NH2一般序列的肽,并对其在人类重组NOP/阿片受体上的作用进行了药理学表征。通过在N/OFQ(1-13)-NH2的N端部分用非标准氨基酸Dmt取代Tyr(1)和Thr(5),可以获得NOP与mu阿片受体效力方面的最佳结果。[Dmt(1,5)]N/OFQ(1-13)-NH2已被确定为迄今为止描述的最有效的NOP/mu双受体肽激动剂。电子研究补充了实验数据,以阐明肽与mu受体活性形式结合的分子机制。最后,该化合物在体内咳嗽模型中发挥镇咳作用。

著录项

  • 来源
    《Journal of Medicinal Chemistry》 |2021年第10期|共14页
  • 作者单位

    Univ Ferrara Dept Chem Pharmaceut &

    Agr Sci I-44121 Ferrara Italy;

    Univ Ferrara Dept Chem Pharmaceut &

    Agr Sci I-44121 Ferrara Italy;

    Univ Ferrara Dept Chem Pharmaceut &

    Agr Sci I-44121 Ferrara Italy;

    Univ Ferrara Dept Chem Pharmaceut &

    Agr Sci I-44121 Ferrara Italy;

    Univ Ferrara Dept Chem Pharmaceut &

    Agr Sci I-44121 Ferrara Italy;

    Univ Ferrara Dept Neurosci &

    Rehabil Sect Pharmacol I-44121 Ferrara Italy;

    Univ Ferrara Dept Neurosci &

    Rehabil Sect Pharmacol I-44121 Ferrara Italy;

    Univ Ferrara Dept Neurosci &

    Rehabil Sect Pharmacol I-44121 Ferrara Italy;

    Univ Padua Dept Pharmaceut &

    Pharmacol Sci I-35131 Padua Italy;

    Univ Ferrara Dept Neurosci &

    Rehabil Sect Pharmacol I-44121 Ferrara Italy;

    Univ Ferrara Dept Chem Pharmaceut &

    Agr Sci I-44121 Ferrara Italy;

    Univ Ferrara Dept Chem Pharmaceut &

    Agr Sci I-44121 Ferrara Italy;

    Univ Cattolica Sacro Cuore Dipartimento Sci Biotecnol Base Clin Intensivol &

    I-00168 Rome Italy;

    Univ Cattolica Sacro Cuore Dipartimento Sci Biotecnol Base Clin Intensivol &

    I-00168 Rome Italy;

    Univ Aquila Dept Life Hlth &

    Environm Sci I-67100 Laquila Italy;

    Univ Florence Dept Hlth Sci Sect Clin Pharmacol &

    Oncol I-50139 Florence Italy;

    Univ Florence Dept Hlth Sci Sect Clin Pharmacol &

    Oncol I-50139 Florence Italy;

    Univ Florence Dept Hlth Sci Sect Clin Pharmacol &

    Oncol I-50139 Florence Italy;

    Univ Padua Dept Pharmaceut &

    Pharmacol Sci I-35131 Padua Italy;

    Univ Ferrara Dept Chem Pharmaceut &

    Agr Sci I-44121 Ferrara Italy;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 药学;
  • 关键词

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