椎旁注射臭氧对SD大鼠盘源性疼痛模型的镇痛作用
【目的】探讨椎旁注射臭氧对SD大鼠盘源性疼痛模型的镇痛规律,对椎间盘退变的影响,并初步探讨其镇痛作用机制。【方法】65只雄性SD大鼠随机分为对照组、模型组和臭氧组。模型组和臭氧组大鼠经皮穿刺L5-6椎间盘全层纤维环制作SD大鼠盘源性疼痛模型,臭氧组在造模后第22天椎旁注射25mg/L臭氧1mL,对照组大鼠不作处理。手术前后各时间点使用定量痛觉敏感评估技术和磁共振检查实验动物的50%机械撤足阈值(50%MWT)和椎间盘Pfirrmann分级,并使用western blot检测左侧坐骨神经和背根神经节中肿瘤坏死因子α(TNF-α)和降钙素基因相关肽(CGRP)的表达。【结果】造模后第22天及以后各...
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Main Author: | 吴志强 |
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Format: | Article |
Language: | zho |
Published: |
Editorial Office of Journal of Sun Yat-sen University
2019-01-01
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Series: | Zhongshan Daxue xuebao. Yixue kexue ban |
Subjects: | |
Online Access: | http://xuebaoyx.sysu.edu.cn/zh/article/44064685/ |
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