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. 2022 Sep 26:10:1021818.
doi: 10.3389/fpubh.2022.1021818. eCollection 2022.

Research trends of mesenchymal stem cells application in orthopedics: A bibliometric analysis of the past 2 decades

Zhibo Deng  1 , Fenqi Luo  1 , Yuan Lin  1 , Jun Luo  1 , Dianshan Ke  1 , Chao Song  1 , Jie Xu  1
Affiliations

Research trends of mesenchymal stem cells application in orthopedics: A bibliometric analysis of the past 2 decades

Zhibo Deng et al. Front Public Health. .

Abstract

Background: Bibliometric analysis and visualization tools were used to determine the development trend of mesenchymal stem cells (MSCs) in orthopedics in the past 20 years, so as to guide researchers to explore new directions and hotspots in the field in the future.

Methods: In the Web of Science Core Collection, all articles about the application of MSCs in orthopedics from 2002 to 2021 were searched. The qualitative and quantitative analysis was performed based on Web of Science and CiteSpace software.

Results: A total of 2,207 articles were retrieved. After excluding non-article articles such as review and letter and non-English language articles, 1,489 articles were finally included. Over the past 2 decades, the number of publications on the application of MSCs in orthopedic diseases increased. Among them, the United States, China, Japan and the United Kingdom have made significant contributions in this field. The most productive institution was Shanghai Jiao Tong University. Journal of Orthopedic Research published the largest number of publications. The journal with the highest citation frequency was Experimental Hematology. The authors with the highest output and the highest citation frequency on average were Rochy S. Tuan and Scott A. Rodeo, respectively. "Mesenchymal stem cell", "in vitro" and "Differentiation" were the top three keywords that appeared. From the keyword analysis, the current research trend indicates that the primary research hotspots of MSCs in orthopedics are the source of MSCs, in vitro experiments and the differentiation of MSCs into bone and cartilage. The frontiers of this field are the combination of MSCs and platelet-rich plasma (PRP), the treatment of knee diseases such as osteoarthritis, osteogenic differentiation, and the application of biological scaffolds combined with MSCs.

Conclusion: Over the past 2 decades, the application of MSCs in orthopedic diseases has received increasing attention. Our bibliometric analysis results provide valuable information and research trends for researchers in the field to understand the basic knowledge of the field, identify current research hotspots, potential collaborators, and future research frontiers.

Keywords: Web of Science; bibliometric analysis; hotspot; mesenchymal stem cell; orthopedics.

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Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

Figure 1
Figure 1
Detailed flow chart of search and screening.
Figure 2
Figure 2
The annual number of publications and trends on MSCs in orthopedics between 2002 and 2021.
Figure 3
Figure 3
The cooperation network map of countries related to MSCs in orthopedics from 2002–2021. Node size represents the number of output. The thicker the pink outer ring of the node, the higher the centrality.
Figure 4
Figure 4
The cooperation network map of institutions related to MSCs in orthopedics from 2002–2021.
Figure 5
Figure 5
The cooperation network map of productive authors related to MSCs in orthopedics from 2002–2021. Each node indicates an author, and different colors in the nodes indicate different publication years. At the same time, the connecting line between nodes indicates the collaborative relationship between authors.
Figure 6
Figure 6
Co-occurrence map of keywords in MSCs in orthopedics from 2002–2021.
Figure 7
Figure 7
The clustering map of keywords related to MSCs in orthopedics from 2002–2021. The different colored squares in the figure represent different clusters.
Figure 8
Figure 8
Keyword timeline visualization related to MSCs in orthopedics from 2002–2021. Abscissa x is the year of publication, and ordinate y is the cluster number. The more literatures the cluster contains, the more important the cluster is in the domain. The longer the time span, the earlier and longer the duration of the cluster.
Figure 9
Figure 9
The top 15 keywords with the strongest citation bursts.
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