Objective Analyze the current situation, hotspots and development trends of sarcopenia animal model to provide research direction and basic information for sarcopenia animal model research.Methods English literature of research on animal models of sarcopenia was retrieved from the Web of Science core data (WOS) set from 1900-01-01 to 2022-12-31. Chinese literature related to animal models of sarcopenia was retrieved from CNKI database between 1915 and 2022. The bibliometric analysis software VOSviewer was used to explore the countries, orgonizations, authors, hotspots and frontier directions in these studies.Results A total of 2 819 articles on animal models of sarcopenia were retrieved from WOS core database. The first paper was published in 1995. The United States has the largest number of animal model studies of sarcopenia with 1 105 articles. The institution with the most published articles is the University of Florida in the United States, with 69 articles. The University of Hong Kong has the highest number of publications in China, with 20 articles. American author Van Remmen H, with 50 publications, is the author of the most articles. The journal with the largest number of articles published on animal models of sarcopenia is the American journal called FASEB Journal, with 196 articles. In total, 423 articles on animal models of sarcopenia were retrieved from the CNKI database. Author LI Zhuyi has published 19 articles, and is the author of the most articles in China. The keyword co-occurrence clustering analysis of WOS literature search found that the research focus on animal model of sarcopenia can be summarized as the correlation between sarcopenia and metabolism, cytology and regenerative medicine of sarcopenia animal models, the study of sarcopenia animal models in bone, muscle, nerve and exercise therapy. The retrieval results of CNKI database revealed that the most extensive research was about on the model of denervated sarcopenia, and researches on the effects of Chinese medicine on sarcopenia were also widely reported. Through reading the full articles or abstracts of the literature, the animal models of sacopenia mainly include natural aging model, genetic modification model, high-fat diet induction model, disuse model, hormone induction model and complex sarcopenia models of other diseases.Conclusion In recent years, the study on animal model of sarcopenia has become a hotspot at home and abroad.The bibliometric analysis provides a basis for the research of animal models of sarcopenia in terms of research direction, hotspots, model animal selection, animal model making, and domestic and international communication and cooperation.
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