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三叉神经系统中的趋化因子与疼痛

Chemokines and Pain in the Trigeminal System.

作者信息

Solis-Castro Oscar O, Wong Natalie, Boissonade Fiona M

机构信息

School of Clinical Dentistry, University of Sheffield, Sheffield, United Kingdom.

The Neuroscience Institute, University of Sheffield, Sheffield, United Kingdom.

出版信息

Front Pain Res (Lausanne). 2021 Jul 9;2:689314. doi: 10.3389/fpain.2021.689314. eCollection 2021.

Abstract

Chemotactic cytokines or chemokines are a large family of secreted proteins able to induce chemotaxis. Chemokines are categorized according to their primary amino acid sequence, and in particular their cysteine residues that form disulphide bonds to maintain the structure: CC, CXC, CX3C, and XC, in which X represents variable amino acids. Among their many roles, chemokines are known to be key players in pain modulation in the peripheral and central nervous systems. Thus, they are promising candidates for novel therapeutics that could replace current, often ineffective treatments. The spinal and trigeminal systems are intrinsically different beyond their anatomical location, and it has been suggested that there are also differences in their sensory mechanisms. Hence, understanding the different mechanisms involved in pain modulation for each system could aid in developing appropriate pharmacological alternatives. Here, we aim to describe the current landscape of chemokines that have been studied specifically with regard to trigeminal pain. Searching PubMed and Google Scholar, we identified 30 reports describing chemokines in animal models of trigeminal pain, and 15 reports describing chemokines involved in human pain associated with the trigeminal system. This review highlights the chemokines studied to date at different levels of the trigeminal system, their cellular localization and, where available, their role in a variety of animal pain models.

摘要

趋化性细胞因子或趋化因子是一类能够诱导趋化作用的分泌蛋白大家族。趋化因子根据其一级氨基酸序列进行分类,特别是根据形成二硫键以维持结构的半胱氨酸残基进行分类:CC、CXC、CX3C和XC,其中X代表可变氨基酸。在其众多作用中,趋化因子已知是外周和中枢神经系统疼痛调节的关键参与者。因此,它们是有望替代目前往往无效的治疗方法的新型治疗药物的候选者。脊髓和三叉神经系统除了解剖位置外本质上是不同的,并且有人提出它们的感觉机制也存在差异。因此,了解每个系统中参与疼痛调节的不同机制有助于开发合适的药理学替代方法。在此,我们旨在描述专门针对三叉神经痛进行研究的趋化因子的当前情况。通过搜索PubMed和谷歌学术,我们确定了30篇描述三叉神经痛动物模型中趋化因子的报告,以及15篇描述与三叉神经系统相关的人类疼痛中涉及的趋化因子的报告。这篇综述重点介绍了迄今为止在三叉神经系统不同水平上研究的趋化因子、它们的细胞定位以及在各种动物疼痛模型中的作用(如有)。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cad8/8915704/4e1c9de4739b/fpain-02-689314-g0001.jpg

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