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Chinese Journal of Joint Surgery(Electronic Edition) ›› 2023, Vol. 17 ›› Issue (01): 86-92. doi: 10.3877/cma.j.issn.1674-134X.2023.01.012

• Review • Previous Articles     Next Articles

Noninvasive load in research of knee osteoarthritis

Xiaolong Yang1, Lizhi Zhang1,(), Xiaodong Liu1   

  1. 1. Department of Yangpu Hospital, School of medicine, Tongji University, Shanghai 200090, China
  • Received:2021-11-03 Online:2023-02-01 Published:2023-05-05
  • Contact: Lizhi Zhang

Abstract:

Osteoarthritis (OA) closely associates with pathological changes of bone and cartilage under abnormal stress, however, the mechanism of it is still unclear. In order to study the mechanism, many animal models such as spontaneity, gene modification, invasive models (surgical and chemical inductions) are commonly used. All of the models are important tools for OA research, but they have mixed effects and unable to comprehensively reflect the role of abnormal stress in the whole pathological process. With the development in research and improvement of technologies, non-invasive compression-loading model has been gradually employed to study the development of OA. With a direct compression-loading, it can create variety types of injuries to simulate the occurrence and development of OA induced by abnormal stress or various injuries in clinic. A non-invasive loading model can not only simulate externally loaded stress, but also quantify the load and then make more objective studies on the injury caused by abnormal stress in the whole process of disease. This paper summarised the application and research progress of non-invasive compression-loading models. It may provide a meaningful way for the future study of abnormal stress load and post-traumatic knee OA, to explore the mechanism of OA lesions and relevant prevention and treatment, with a potential research method and theoretical basis.

Key words: Stress, mechanical, Osteoarthritis, knee, Models, animal, Cartilage, articular, Knee joint

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