Chinese Journal of Tissue Engineering Research ›› 2025, Vol. 29 ›› Issue (23): 5051-5060.doi: 10.12307/2025.094

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Visualization analysis of knowledge map and trends in glymphatic system research

Ma Xingyi1, Li Huijing2, Li Juan1, 3, Zhong Dongling1, Zhang Yuan1, Tang Hong4, Li Yuxi1, Jin Rongjiang1   

  1. 1School of Health Preservation and Rehabilitation, 2SCollege of Clinical Medicine, 4School of Acupuncture and Massage, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, Sichuan Province, China; 3Affiliated Sichuan Provincial Rehabilitation Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 611135, Sichuan Province, China
  • Received:2024-03-07 Accepted:2024-05-21 Online:2025-08-18 Published:2024-09-30
  • Contact: Jin Rongjiang, Professor, Doctoral supervisor, School of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, Sichuan Province, China; Corresponding author: Li Yuxi, PhD, Assistant researcher, School of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, Sichuan Province, China
  • About author:Ma Xingyi, Master candidate, School of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, Sichuan Province, China
  • Supported by:
    National Natural Science Foundation of China (Young Scientist Fund), No. 82305363 (to LYX); National Natural Science Foundation of China (General Program) No. 82374559 (to JRJ); Natural Science Foundation of Sichuan Province, No. 2023NSFSC1824 (to LYX); China Postdoctoral Science Foundation (The 73rd Batch), No. 2023MD734102 (to LYX)

Abstract: BACKGROUND: The clearance pathway of metabolic waste in the brain is crucial for maintaining neural homeostasis. The accumulation of metabolic waste disrupts this equilibrium, representing a common pathological feature of many central nervous system diseases. In recent years, research focusing on the glymphatic system has emerged as a hotspot in the nervous system field.  
OBJECTIVE: To construct a knowledge map of glymphatic system research, visually analyze the current state of research, main hotspots, and future development trends within this area.
METHODS: Utilizing CiteSpace, VOSviewer, and the Bibliometrix package in the R language environment, this study conducted an in-depth visual analysis of glymphatic system-related literature from the Web of Science Core Collection database, spanning from January 2012 to March 2024. This analysis included authors, institutions, countries, journals, keywords, and co-citation frequencies. 
RESULTS AND CONCLUSION: A total of 687 related articles were included in this study. The number of publications in this field increased year by year, showing an explosive growth trend in the past three years. The countries, institutions, and authors with the largest number of publications in this research field were the United States, University of Rochester, and Professor Maiken Nedergaard. The journal with the highest number of publications was JOURNAL OF CEREBRAL BLOOD FLOW AND METABOLISM. The high-frequent and high-central keywords mainly focused on the mechanism such as cerebrospinal fluid hydrodynamics, neurological diseases such as Alzheimer’s disease, and imaging techniques such as diffusion tensor imaging. The literature with the highest co-citation frequency was a classic review of the glymphatic system. The above results show that the research of glymphatic system is an emerging and active field, which has attracted wide attention at home and abroad and gradually expand from theoretical research to clinical practice.

Key words: glymphatic system, current research status, research hotspots, development trends, visualization map, CiteSpace, VOSviewer, R language

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