中国组织工程研究 ›› 2025, Vol. 29 ›› Issue (8): 1585-1592.doi: 10.12307/2025.351

• 组织构建实验造模 experimental modeling in tissue construction • 上一篇    下一篇

慢性肌筋膜触发点模型大鼠的尿液代谢组学分析

刘  琳,刘世轩,陆馨悦,王  侃   

  1. 南京体育学院运动健康学院,江苏省南京市  210014
  • 收稿日期:2024-03-20 接受日期:2024-05-09 出版日期:2025-03-18 发布日期:2024-07-05
  • 通讯作者: 王侃,博士,讲师,南京体育学院运动健康学院,江苏省南京市 210014
  • 作者简介:刘琳,男,1989年生,河北省沧州市人,汉族,2018年上海体育大学毕业,博士,讲师,主要从事肌筋膜触发点的基础研究。
  • 基金资助:
    国家自然科学基金(32000829),项目负责人:刘琳;江苏省高校“青蓝工程”项目,项目负责人:刘琳

Metabolomic analysis of urine in a rat model of chronic myofascial trigger points 

Liu Lin, Liu Shixuan, Lu Xinyue, Wang Kan   

  1. School of Sport and Health, Nanjing Sport Institute, Nanjing 210014, Jiangsu Province, China 
  • Received:2024-03-20 Accepted:2024-05-09 Online:2025-03-18 Published:2024-07-05
  • Contact: Wang Kan, MD, Lecturer, School of Sport and Health, Nanjing Sport Institute, Nanjing 210014, Jiangsu Province, China
  • About author:School of Sport and Health, Nanjing Sport Institute, Nanjing 210014, Jiangsu Province, China Liu Lin, MD, Lecturer, School of Sport and Health, Nanjing Sport Institute, Nanjing 210014, Jiangsu Province, China
  • Supported by:
    the National Natural Science Foundation of China, No. 32000829 (to LL); Jiangsu Province University “Blue Engineering” Project (to LL)

摘要:


文题释义:
肌筋膜触发点:是骨骼肌内运动终板处挛缩形成的一堆高敏感疼痛位点,具有牵涉痛、自发性放电和干扰筋膜结构紊乱等多种特有的病理学特征。在临床上,患者体内形成的肌筋膜触发点不仅可诱发多种急慢性疼痛,也会潜在性地影响患者神经系统、循环系统和内脏系统,以致于形成带状疱疹后遗痛、静脉曲张、便秘等。
代谢组学:是一种利用色谱-质谱联用技术,结合相应数据库对生物体内所有代谢物进行定量分析,并寻找代谢物与生理病理变化相对关系的检测方法,具有高通量、广覆盖的特点。通过代谢组学技术,可以筛选出对照组和处理组中差异代谢物,再利用进一步的代谢通路分析筛选出可用于临床疾病早筛、诊断、预后的生物标志物,为相关疾病的快速检测提供参考依据。

背景:慢性肌筋膜触发点通过非靶向代谢组学技术可识别差异性代谢物变化,有助于从内源性小分子代谢物层面理解并进一步探究慢性肌筋膜触发点的病理生理过程和发病机制。
目的:以慢性肌筋膜触发点模型大鼠为研究对象,基于尿液代谢组学寻找潜在生物标志物及相关代谢通路。
方法:将16只SD大鼠随机分为造模组和正常组,造模组大鼠采用钝性打击结合离心运动(跑台坡度为-16°,跑速为16 m/min,训练时间为90 min/次)方式建立慢性肌筋膜触发点动物模型,每周1次,连续干预8周,休息4周;正常组大鼠不做干预。12周造模结束后,采用代谢笼法收集大鼠造模后24 h尿液,利用液相色谱-质谱联用非靶向代谢组学技术对尿样进行代谢图谱检测,筛选出共同差异代谢物,并进行生物信息学分析。
结果与结论:①与正常组相比,造模组有32个差异代谢标志物,其中上调21个、下调11个;依据变量权重值> 3,共14个差异代谢物被认定为潜在生物标志物;②京都基因与基因组百科全书富集分析表明,慢性肌筋膜触发点的形成与初级胆汁酸生物合成、花生四烯酸代谢通路密切相关。
https://orcid.org/0000-0001-7314-4425(刘琳)

中国组织工程研究杂志出版内容重点:组织构建;骨细胞;软骨细胞;细胞培养;成纤维细胞;血管内皮细胞;骨质疏松;组织工程

关键词: 肌筋膜触发点, 大鼠, 尿液, 代谢组学, 生物信息学, 生物标志物, 差异代谢物, 代谢笼法, 运动损伤

Abstract: BACKGROUND: Chronic myofascial trigger points can identify differential metabolite changes through non targeted metabolomics techniques, helping to understand and further explore the pathophysiological processes and pathogenesis of chronic myofascial trigger points from the perspective of endogenous small molecule metabolites.
OBJECTIVE: To investigate potential biomarkers and related metabolic pathways based on urine metabolomics in the rat model of chronic myofascial trigger points.
METHODS: Sixteen Sprague-Dawley rats were randomly divided into a model group and a normal group. The model group was used to establish a chronic myofascial trigger point animal model by combining blunt hitting with centrifugal exercise (treadmill slope: -16°, running speed: 16 m/min, training time: 90 minutes each), once a week for 8 continuous weeks, with 4 weeks off. After 12 weeks of modeling, the metabolic cage method was used to collect urine from rats at 24 hours after modeling. Liquid chromatography-mass spectrometry non-targeted metabolomics technology was used to detect metabolic profiles in the urine samples, screen common differential metabolites, and conduct bioinformatics analysis.
RESULTS AND CONCLUSION: Compared with the normal group, there were 32 differential metabolic markers in the model group, of which 21 were upregulated and 11 were downregulated. A total of 14 differential metabolites were identified as potential biomarkers based on the value of variable important in projection greater than 3. The enrichment analysis of the Kyoto Encyclopedia of Genes and Genomes indicated that the formation of chronic myofascial trigger points is closely related to metabolic pathways such as primary bile acid biosynthesis and arachidonic acid metabolism.

中国组织工程研究杂志出版内容重点:组织构建;骨细胞;软骨细胞;细胞培养;成纤维细胞;血管内皮细胞;骨质疏松;组织工程

Key words: myofascial trigger point, rat, urine, metabolomics, bioinformatics, biomarker, differential metabolite, metabolic cage method, sports injuries

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