L-茶氨酸局部给药抑制皮肤神经末梢的异常生长缓解小鼠银屑病瘙痒
目的观察L-茶氨酸是否在咪喹莫特(IMQ)诱导的银屑病小鼠中具有止痒作用并初步探讨机制。方法将IMQ软膏局部应用于小鼠背部皮肤建立银屑病模型;L-茶氨酸经口服(10 mg/kg∙d)或病损皮肤局部涂抹(50、125、250 mmol/L,2次/d)进行防治处理。采用抓挠等自发性行为学测试检测治疗效果;并运用免疫荧光染色(IF)、Western Blot(WB)及原代背根神经节(DRG)神经元培养技术探讨相关机制。结果口服L-茶氨酸对IMQ诱导的瘙痒无明显作用,但病损皮肤局部应用明显改善银屑病模型小鼠皮肤不舒适感诱发的舔或咬及畏缩等自发性行为,并呈浓度依赖性。IF和WB结果显示,L-茶氨酸不仅能...
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Main Authors: | 揭英桃, 林震嘉, 张珺, 谈智, 许雅南, 熊媖, 唐源, 周利君 |
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Format: | Article |
Language: | zho |
Published: |
Editorial Office of Journal of Sun Yat-sen University
2021-03-01
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Series: | Zhongshan Daxue xuebao. Yixue kexue ban |
Subjects: | |
Online Access: | http://xuebaoyx.sysu.edu.cn/zh/article/6375153/ |
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