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Neuropeptide signalling systems - An underexplored target for venom drug discovery

机译:神经肽信号系统 - 毒液发现的望远镜靶标

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Neuropeptides are signalling molecules mainly secreted from neurons that act as neurotransmitters or peptide hormones to affect physiological processes and modulate behaviours. In humans, neuropeptides are implicated in numerous diseases and understanding their role in physiological processes and pathologies is important for therapeutic development. Teasing apart the (patho)physiology of neuropeptides remains difficult due to ligand and receptor promiscuity and the complexity of the signalling pathways. The current approach relies on a pharmacological toolbox of agonists and antagonists displaying high selectivity for independent receptor sub-types, with the caveat that only few selective ligands have been discovered or developed. Animal venoms represent an underexplored source for novel receptor subtype-selective ligands that could aid in dissecting human neuropeptide signalling systems. Multiple endogenous-like neuropeptides as well as peptides acting on neuropeptide receptors are present in venoms. In this review, we summarise current knowledge on neuropeptides and discuss venoms as a source for ligands targeting neuropeptide signalling systems.
机译:神经肽是主要从神经元分泌的信号分子,其充当神经递质或肽激素来影响生理过程和调节行为。在人类中,神经肽在许多疾病中涉及,并理解其在生理过程中的作用,病理对治疗发育是重要的。由于配体和受体滥交和信号传导途径的复杂性,戏弄戏弄(Patho)的生理仍然困难。目前的方法依赖于激动剂和拮抗剂的药理学工具箱,对独立受体子类型的高选择性显示出高选择性,该警告仅发现或开发了少量选择性配体。动物毒液代表新型受体亚型 - 选择性配体的过度缺乏源,其可以有助于解剖人类神经肽信号传导系统。在静脉中存在多种内源性的神经肽以及作用于神经肽受体的肽。在本文中,我们总结了目前关于神经肽的知识,并讨论毒液作为靶向神经肽信号系统的配体的源极。

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