“柔筋温通”推拿法对失神经骨骼肌萎缩模型兔骨骼肌中MMPs和TIMP的影响
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(1. 云南中医药大学,云南 昆明 650500;2. 云南省中医医院,云南 昆明 650021;3. 玉溪市中医医院,云南 玉溪 653100)

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向 勇(1983-),男,副教授,E-mail: 630458355@qq.com

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国家自然科学基金地区基金项目(82260977);云南省科技厅中医联合专项-面上项目(202001AZ070001〔-022〕,202101AZ070001〔-150〕,202301AZ070001〔-022〕);云南中医药大学校院联合基金项目(YXLH202107);省级临床医学中心科研项目(2024YNLCYXZX0389)


Effects of "Roujin Wentong" Massage Therapy on MMPs and TIMP in Denervated Skeletal Muscle Atrophy in Rabbits Model
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(1. Yunnan University of Chinese Medicine, Kunming 650500, China;2. Yunnan Provincial Hospital of Traditional Chinese Medicine, Kunming 650021, China;3. Yuxi Hospital of Traditional Chinese Medicine, Yuxi 653100, China)

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    摘要:

    目的 探讨“柔筋温通”推拿法对失神经骨骼肌萎缩模型兔骨骼肌中基质金属蛋白酶(MMP-2、MMP-9)及其组织抑制因子(TIMP-1、TIMP-2)表达的影响,揭示其延缓骨骼肌萎缩的作用机制。方法 40只新西兰白兔随机分为正常组、模型组、传统筋伤推拿手法组和“柔筋温通”推拿手法组。采用胫神经切断法建立失神经骨骼肌萎缩模型,干预后采用RT-PCR检测腓肠肌中MMP-2、MMP-9、TIMP-1、TIMP-2 mRNA表达水平。结果 与正常组相比,模型组MMP-2、MMP-9表达显著升高(P<0.01),TIMP-1、TIMP-2显著降低(P<0.01)。与模型组相比,“柔筋温通”手法组MMP-2、MMP-9表达显著降低(P<0.01),TIMP-1、TIMP-2显著升高(P<0.01),而传统筋伤手法组仅MMP-9显著降低(P<0.05)。结论 “柔筋温通”推拿法可通过调节MMPs/TIMPs平衡,减少细胞外基质降解,促进肌卫星细胞增殖与分化,延缓失神经骨骼肌萎缩,其疗效优于传统筋伤手法。

    Abstract:

    Objective To investigate the effects of "Roujin Wentong" massage therapy on the expression of matrix metalloproteinases(MMP-2, MMP-9) and their tissue inhibitors(TIMP-1, TIMP-2) in skeletal muscle of rabbits with denervated skeletal muscle atrophy, and to elucidate its mechanism in delaying muscle atrophy. Methods Forty New Zealand white rabbits were randomly divided into four groups: normal control group, model group, traditional tendon injury massage group, and "Roujin Wentong" massage group. A denervated skeletal muscle atrophy model was established by tibial nerve transection. After intervention, RT-PCR was used to detect the mRNA expression levels of MMP-2, MMP-9, TIMP-1, and TIMP-2 in the gastrocnemius muscle. Results Compared with the normal group, the model group showed significantly increased expression of MMP-2 and MMP-9 (P<0.01) and significantly decreased expression of TIMP-1 and TIMP-2 (P<0.01). Compared with the model group, the "Roujin Wentong" massage group exhibited significantly reduced expression of MMP-2 and MMP-9(P<0.01) and significantly increased expression of TIMP-1 and TIMP-2(P<0.01), whereas the traditional tendon injury massage group only showed a significant decrease in MMP-9(P<0.05). Conclusion "Roujin Wentong" massage therapy can regulate the MMPs/TIMPs balance, reduce extracellular matrix degradation, promote the proliferation and differentiation of muscle satellite cells, and delay denervated skeletal muscle atrophy. Its therapeutic effect is superior to that of traditional tendon injury massage.

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  • 收稿日期:2025-06-06
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  • 在线发布日期: 2026-07-07
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