中国组织工程研究 ›› 2024, Vol. 28 ›› Issue (26): 4189-4153.doi: 10.12307/2024.435

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

髓内固定构建大鼠股骨骨不连模型

吕利军1,2,彭  伟3,李闯兵2,叶  铄2,高秋明2   

  1. 1甘肃中医药大学第一临床医学院,甘肃省兰州市  730000;2中国人民解放军联勤保障部队第九四〇医院骨科中心,甘肃省兰州市  730050;3武警甘肃总队医院康复科,甘肃省兰州市  730000
  • 收稿日期:2023-07-17 接受日期:2023-08-09 出版日期:2024-09-18 发布日期:2023-10-07
  • 通讯作者: 高秋明,硕士,主任医师,中国人民解放军联勤保障部队第九四〇医院骨科中心,甘肃省兰州市 730000
  • 作者简介:吕利军,男,1991年生,甘肃省礼县人,汉族,甘肃中医药大学在读硕士,主治医师,主要从事运动医学、创伤骨科、材料学的研究。
  • 基金资助:
    甘肃省自然科学基金资助项目(21JR11RA001),项目负责人:高秋明;甘肃省自然科学基金资助项目(22JR5RA009),项目负责人:叶铄

Establishment of a rat femoral nonunion model by intramedullary fixation

Lyu Lijun1, 2, Peng Wei3, Li Chuangbing2, Ye Shuo2, Gao Qiuming2   

  1. 1The First Clinical Medical School of Gansu University of Chinese Medicine; Lanzhou 730000, Gansu Province, China; 2Orthopedic Center of the 940th Hospital of China People’s Liberation Army Joint Logistics Support Force, Lanzhou 730050, Gansu Province, China; 3Department of Rehabilitation, Gansu Armed Police Corps Hospital, Lanzhou 730000, Gansu Province, China
  • Received:2023-07-17 Accepted:2023-08-09 Online:2024-09-18 Published:2023-10-07
  • Contact: Gao Qiuming, Master, Chief physician, The First Clinical Medical School of Gansu University of Chinese Medicine; Lanzhou 730000, Gansu Province, China; Lanzhou 730000, Gansu Province, China; Orthopedic Center of the 940th Hospital of China People’s Liberation Army Joint Logistics Support Force, Lanzhou 730050, Gansu Province, China
  • About author:Lyu Lijun, Master candidate, Attending physician, The First Clinical Medical School of Gansu University of Chinese Medicine; Lanzhou 730000, Gansu Province, China; Orthopedic Center of the 940th Hospital of China People’s Liberation Army Joint Logistics Support Force, Lanzhou 730050, Gansu Province, China
  • Supported by:
    the Natural Science Foundation of Gansu Province, Nos. 21JR11RA001 (to GQM) and 22JR5RA009 (to YS)

摘要:


文题释义:

骨不连:骨折后9个月并连续3个月观察骨折未见明显愈合征象。
动物模型:指在生物医学领域中使用的一种生物模型,通过模拟或人工制造动物或人类的疾病模型,主要在研究人员更好地理解疾病的病理机制、寻找新的治疗方法、测试新药物的有效性和安全性等方面发挥作用。


背景:建立客观标准的骨不连动物模型是骨不连的实验研究及探索骨不连治疗的必备条件。

目的:为骨不连的实验研究建立一种客观的动物模型。
方法:选取SPF级雄性Wistar大鼠,采用大鼠股骨中段截除5 mm、进行大段骨膜剥离及骨髓去除的方法制备大鼠股骨骨不连模型,使用1.2 mm克氏针进行固定。于术后1,4,8周通过大体标本观察、X射线片检查、组织病理学观察骨不连形成情况。

结果与结论:造模后8周大体标本及X射线拍片、组织病理学检查显示大鼠骨缺损区无骨痂形成,断端纤维组织填充,骨性骨痂稀少,甚至不可见。结果说明,股骨中段骨质截除、大段骨膜剥离及骨髓去除法能够成功制备大鼠骨不连动物模型,该方法简单、可靠、有效。

https://orcid.org/0000-0003-3044-7025(吕利军)

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: 骨不连, 动物模型, 股骨, 放射学, 病理

Abstract: BACKGROUND: Establishing an objective and standard animal model of bone nonunion is essential for experimental studies and treatment of nonunion. 
OBJECTIVE: To establish an objective animal model for experimental studies of nonunion. 
METHODS: Specific pathogen-free male Wistar rats were selected and prepared by cutting off a 5 mm bone defect in the middle femur, peeling off a large periosteum and removing bone marrow. Animal models were fixed with a 1.2 mm Kirschner wire. At 1, 4 and 8 weeks, bone nonunion was observed by gross specimen observation, X-ray examination and histopathological examination. 
RESULTS AND CONCLUSION: The gross specimen, X-ray film and histopathological examination showed that there was no callus formation in the bone defect area, the broken end was filled with fiber tissue, and the bone callus was rare or even invisible. To conclude, the rat model of nonunion can be successfully established by osteotomy of the middle femur, large periosteum peeling and bone marrow removal. This modeling method is simple, reliable and effective. 

Key words: nonunion, animal model, femur, radiology, pathology

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