Abstract
Our recent study first demonstrated that human bone marrow mesenchymal stem cell (hBMSC) transplantation could prevent death from fulminant hepatic failure (FHF) in pigs. To further clarify the metabolic mechanism of hBMSC transplantation in FHF, the plasma collected from FHF pigs that received transplantation of hBMSCs was examined using metabolic analysis to identify the key molecular markers that regulate recovery. The results showed that obvious metabolic disturbance occurred during FHF, whereas the hBMSC transplantation group showed less severe liver injury. The metabolic trajectory returns to its original state at week 3 following the hBMSC transplantation. In total, the concentration of 26 metabolites, including conjugated bile acids, phosphatidylcholines, lysophosphatidylcholines, fatty acids, amino acid and sphingomyelin, are significantly different between the FHF group and the hBMSC transplantation group. Moreover, the time course of changes in the metabolites corresponded with that of the biochemical and histological analyses. Real-time PCR further confirmed that the gene expression of phospholipase A1, lecithin-cholesterol acyltransferase and lysophosphatidylcholine acyltransferase 1 decreased significantly, wherea...Continue Reading
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