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The aim of this paper was to observe the function of bone marrow mesenchymal stem cell (BMSC) transplantation in process of liver injury induced by carbon tetrachloride (CCl₄) and the intervention effect of Yiguanjian (YGJ), a compound of Chinese herbal medicine. Wistar rats were randomly divided into five groups: normal group, model group, cell transplantation (CT) group, YGJ group and cell transplantation plus Yiguanjian (CTY) group. Liver injury was induced through subcutaneous injection with CCl₄ at a dose of 3 mL·kg⁻¹ body weight for 4 weeks, twice a week. They were injected for a total of 9 times. After the first injection with CCl₄, rats in the CT group and CTY group were injected with the third-generation BMSCs at dose 1×10⁶ (suspended in 1 mL saline solution) via tail vein. Rats in the YGJ and CTY groups were also intragastrically administered with Yiguanjian once a day. Rat serum ALT and AST activities were increased significantly on the second day after injection with CCl₄, while BMSC transplantation and Yiguanjian decreased their activities. After 4 weeks of injection with CCl₄, serum ALT, AST and -GT activities, and serum TNF- and IL-6 expressions were increased, while TBIL were decreased in model rats compared with normal rats. Meanwhile, liver cells edema, plasmatic loose, and numerous lipid droplets were observed in rats of the model group. BMSC transplantation aggravated liver injury compared with model rats, which was manifested by decreasing SOD activity, increased MDA, TG, TNF- and IL-6 levels, and aggravated necrosis level of hepatocytes, fusion of lipid droplets, and collagen deposition in liver tissue. Yiguanjian decreased liver injury induced by CCl₄ alone and CCl₄ plus BMSC transplantation. SRY gene hybridization method was used to detect the positive SRY expressions in heart, liver, spleen, lung and kidney, especially in liver, while Yiguangjian decreased liver SRY expression. Wnt and -catenin showed high expressions in rats of normal group, which were decreased significantly in rats of models group, while Yiguanjian increased their expressions. In conclusion, BMSC transplantation could exacerbate liver injury, while Yiguanjian could protect liver injury induced by CCl₄ and BMSC transplantation, which was related to decreasing the homing of BMSCs to liver and up-regulating Wnt/-catenin signaling pathway.
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| http://dx.doi.org/10.19540/j.cnki.cjcmm.20180522.007 | DOI Listing |
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