Chinese Journal of Tissue Engineering Research ›› 2021, Vol. 25 ›› Issue (20): 3259-3266.doi: 10.3969/j.issn.2095-4344.3187

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Significance of urinary proteomics assessing pathological changes in the body

Lin Haiqi1, Chen Liang2, Tang Lu3, Weng Xiquan4, Lin Wentao4   

  1. 1School of Sports, South China University of Technology, Guangzhou 510641, Guangdong Province, China; 2School of Sports and Health, Guangzhou University of Chinese Medicine, Guangzhou 510006, Guangdong Province, China; 3School of Sports, South China Normal University, Guangzhou 510006, Guangdong Province, China; 4Guangzhou Sport University, Guangzhou 510500, Guangdong Province, China
  • Received:2020-08-21 Revised:2020-09-02 Accepted:2020-09-10 Online:2021-07-18 Published:2021-01-18
  • Contact: Lin Wentao, Professor, Doctoral supervisor, Guangzhou Sport University, Guangzhou 510500, Guangdong Province, China
  • About author:Lin Haiqi, MD candidate, Experimentalist, School of Sports, South China University of Technology, Guangzhou 510641, Guangdong Province, China
  • Supported by:
    Foundation for Humanities and Social Sciences Research of the Ministry of Education of China, No. 20YJCZH090 (to LHQ); the 13th Five-year Philosophy and Social Science Project of Guangdong Province, No. GD19YTY01 (to LHQ); the 13th Five-year Educational Science Planning Project of Guangdong Province, No. 2018GXJK001 (to LHQ)

Abstract: BACKGROUND: Urine protein may be an important indicator of the exercise load. Urinary proteomics technology has broken the technical limitations in sports science. It plays an important role in the analysis of differential protein profiles, revealing the body adaptation to exercise stresses, and screening the biomarkers of exercise performance.
OBJECTIVE: To summarize the latest progress in normal urine proteomics and its application in sports science based on function-special homeostasis, aiming to seek a noninvasive method for exercise load assessment. 
METHODS: Using the terms “urinary proteome, exercise, biomarkers, function-specific homeostasis” as key words, CNKI, WanFang, PubMed and SCI databases were retrieved for relevant literatures published from January 1988 to July 2020. Eligible literatures were analyzed and summarized.
RESULTS AND CONCLUSION: There are numerous studies on exercise-related urine proteins, which mainly focus on the assessment of exercise load, exercise intensity and somatic function based on urine protein determination. Urinary total protein, Alb, and β2 microglobulin have a dramatic increase in a dose-dependent manner after exercise. The differential protein expressions of urinary proteomics can be used as potential targets for monitoring exercise-induced fatigue, preventing muscle injury, selecting exercise instruments, and monitoring pathological changes of the body. 

Key words: urine, proteomics, biomarkers, function-specific homeostasis, anti-doping, sub-healthy, exercise load assessment, differential expression

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