| 痒觉神经机制的研究进展 |
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| 引用本文： | 余愫,谢松刚,陈文振,孙衍刚.痒觉神经机制的研究进展[J].自然杂志,2021,44(3):213-224. |
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| 作者姓名： | 余愫 谢松刚 陈文振 孙衍刚 |
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| 作者单位： | 1.复旦大学 附属华山医院皮肤科，上海 200040；2湖南大学 生物学院，长沙 410082；3中国科学院神经科学研究所，中国科学院脑科学与智能技术卓越创新中心，神经科学国家重点实验室，上海 200031; |
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| 基金项目： | 上海市优秀学术/技术带头人计划项目(19XD1424200)、国家杰出青年科学基金项目(31825013) |
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| 摘 要： | 痒是一种能引起强烈搔抓欲望的不愉快感觉。痒觉信息从皮肤产生，由外周神经元传入脊髓，经处理后最终传输到大脑。与外周、脊髓水平相比，痒觉在大脑水平的研究还相对较少。得益于近几年在体研究技术的发展，解析痒觉信息传递的大脑中枢神经环路机制成为可能。随着神经科学研究技术的快速进步，一系列解析痒觉在脑内处理机制的重要成果被陆续报道。本综述主要总结了痒觉，尤其是化学痒，从外周到大脑的研究进展。
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| 关 键 词： | 痒觉 初级感觉神经元 脊髓 大脑 |
| 收稿时间： | 2022-04-16 |
Progress in neural mechanisms of itch sensation |
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| YU Su,XIE Songgang,CHEN Wenzhen,SUN Yangang.Progress in neural mechanisms of itch sensation[J].Chinese Journal of Nature,2021,44(3):213-224. |
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| Authors: | YU Su XIE Songgang CHEN Wenzhen SUN Yangang |
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| Affiliation: | 1.Department of Dermatology, Huashan Hospital, Fudan University, Shanghai 200040, China;2.College of Biology, Hunan University, Changsha 410082, China;3.State Key Laboratory of Neuroscience, Chinese Academy of Sciences Center for Excellence in Brain Science and Intelligence Technology, Institute of Neuroscience, Chinese Academy of Sciences, Shanghai 200031, China; |
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| Abstract: | Itch is an unpleasant feeling that elicits a strong desire to scratch. After being initiated at the skin, the itch signal is subsequently transferred down the spinal cord to the brain, where the itch information is processed. Our understanding of theperipheral and spinal mechanisms of itch has advanced significantly in recent years, but our knowledge of how brain neural circuits modulate itch is still limited. Aided by in vivo imaging techniques, researchers can decipher the neural mechanisms of itch sensation at the brain level. With the rapid progress of modern neurotechnologies, a series of significant achievements in central neural mechanisms of itch have been reported. The authors reviewed the recent advances in itch sensation from periphery to the central nervous system (CNS), focusing on chemical itch. |
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