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Molecular basis of the rabbit model of combination of disease and syndrome and cold-dampness Bi syndrome knee osteoarthritis based on plasma metabolomics |
LUO Yuxin WANG Shaojie FANG Zhiyuan WANG Yafei HUANG Jianghai▲ |
Department of Orthopedic, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing 100078, China
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Abstract Objective To explore the scientific nature of rabbit model of combination of disease and syndrome and cold-dampness Bi syndrome knee osteoarthritis based on rabbit plasma metabolomics. Methods Thirty healthy 4-month-old New Zealand rabbits were divided into blank group (group A), model group (group B), and cold-dampness group (group C), with 10 rabbits in each group. Group A did not do any treatment; in group B, plaster was applied to the knee joint to the ankle joint for four hours, repeated for six weeks; in group C, the knee joint was immersed in water at (6.0±0.5)℃ every day for four hours, and then the plaster was applied to the knee joint and ankle joint for four hours, repeated for six weeks. The differential metabolites between groups were screened and KEGG differential metabolic pathways were analyzed. Results A total of 74 and 25 differential metabolites was screened from group A-B and group B-C (VIP>1, P<0.05), respectively. Group A-B mainly involved in tryptophan metabolism, group B-C mainly involved in biliary secretion metabolism, 5-hydroxytryptamine metabolism, and arachidonic acid metabolism. Conclusion The rabbit model of combination of disease and syndrome and cold-dampness Bi syndrome knee osteoarthritis is related to the cold-dampness Bi syndrome knee osteoarthritis in traditional Chinese medicine disease and syndrome in terms of inflammatory response and lipid metabolism.
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