Chinese Journal of Tissue Engineering Research ›› 2022, Vol. 26 ›› Issue (32): 5185-5190.doi: 10.12307/2022.937

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Anti-osteoporosis effect of Gushukang in ovariectomized rats: a lumbar metabonomic analysis

Zhang Haiyong1, Huang Jingwen2, Xie Bingying2, Chen Sainan2, Xie Lihua2, Chen Xuan2, Li Shengqiang2, Ge Jirong2   

  1. 1Fujian University of Traditional Chinese Medicine, Fuzhou 350003, Fujian Province, China; 2Basic Research Institute, Fujian Academy of Chinese Medical Sciences, Fuzhou 350003, Fujian Province, China
  • Received:2022-01-04 Accepted:2022-02-11 Online:2022-11-18 Published:2022-05-12
  • Contact: Li Shengqiang, MD, Associate researcher, Basic Research Institute, Fujian Academy of Chinese Medical Sciences, Fuzhou 350003, Fujian Province, China
  • About author:Zhang Haiyong, Master candidate, Fujian University of Traditional Chinese Medicine, Fuzhou 350003, Fujian Province, China
  • Supported by:
    the National Natural Science Foundation of China, No. 81774350 (to LSQ); the Fundamental Scientific Research Project of Fujian Provincial Public Welfare Scientific Research Institutes of Fujian Provincial Department of Science and Technology, No. 2019R1003-1 (to LSQ)

Abstract: BACKGROUND: The research on the specific molecular mechanisms and therapeutic targets of Gushukang on osteoporosis is insufficient, which needs further research and discussion.
OBJECTIVE: To analyze and identify the changes of lumbar metabolites in ovariectomized rats, explore the therapeutic effect of Gushukang on osteoporosis in ovariectomized rats and discuss its potential mechanism by using the non-targeted metabonomics of ultra-performance liquid chromatography coupled with quadrupole time-of-flight tandem mass, thereby to further explore the specific mechanisms and targets of Gushukang in the treatment of osteoporosis.
METHODS: Female Sprague-Dawley rats, which were ovariectomized to establish osteoporosis model, were divided into model group, Gushukang group, and sham operation group. Osteoporotic models were established using ovariectomy. Four weeks after modeling, rats in the Gushukang group were given Gushukang by gavage; and those in the sham operation and model groups were given the equal volume of normal saline. After 12 weeks of continuous gavage, the lumbar metabolites of rats were analyzed by the ultra-performance liquid chromatography coupled with quadrupole time-of-flight tandem mass technology, and the common differential metabolites were selected for bioinformatics analysis using Kyoto Encyclopedia of Genes and Genomes pathway. 
RESULTS AND CONCLUSION: A total of 24 common significant differential metabolites were identified in the three groups. Kyoto Encyclopedia of Genes and Genomes enrichment analysis showed that Gushukang could regulate important pathways such as fatty acid metabolism, glycerol phospholipid metabolism and amino acid metabolism, and participate in the protection of bone metabolism in osteoporosis model rats. These findings indicate that Gushukang exerts its anti-osteoporosis effect by interfering with lipid metabolism and amino acid metabolism, so as to achieve the purpose of preventing osteoporosis.

Key words: osteoporosis, metabonomics, Gushukang, lipid metabolism, amino acid metabolism, differential metabolites, mass spectrum, traditional Chinese medicine

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