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- W3000785431 abstract "In order to find the endogenous potential biomarkers of in vitro hepatic injury caused by NCTD-Na and elucidate the mechanism of hepatic injury of NCTD-Na,ultra-high performance liquid chromatography coupled quadrupole time-of-flight mass spectrometry(UPLC-Q-TOF-MS/MS) was used for lipidomics detection.Multivariate statistical analysis was used to study the endogenous lipid metabolic changes of human normal liver cells LO2 injury after the treatment with sodium norcantharidate(NCTD-Na).The results showed that the half maximal inhibitory concentration(IC50) of NCTD-Na was 0.034 mmol·L-1.A total of 280 differential metabolites were found between the control group and the low-dose group,with VIP > 2.0 and P<0.05.At the same time,a total of 273 differential metabolites were found between the control group and the high-dose group,with VIP > 2.0 and P<0.05.Cell metabolite profiles showed clear separation among control group,the low-dose group and the high-dose group,and 111 differential metabolites were found,with VIP > 2.0,P<0.05,RSD<30% and in a dose-dependent manner.It was found that most of the above differential metabolites were lipid metabolites after the analysis of simple preparnation methods and database search.A total of 32 potential biomarkers were identified,including 3 phosphatidylcholine(PC),5 lysophosphatidylcholine(Lyso PC),3 ceramide(Cer),1 sphingomyelin(SM),1 phosphatidylethanolamine(PE),10 lysophosphatidylethanolamine(LysoPE),4 diacylglycerol(DG),1 Phosphatidic acid(PA),1 lysophosphatidic acid(Lyso PA),1 phosphatidyl glycerol(PG),1 fatty acid hydroxy fatty acid(FAHFA) and 1 phosphatidylserine(PS).The changes of PCs,Cers,SM,PE and DGs were closely related liver protection,DNA methylation and self-repair in hepatocytes,apoptosis,methylation and detoxification of carcinogens,as well as lipid peroxides production process.Also,they had impact on the proliferation of hepatocytes,differentiation and gene transcription disorders.Cells stimulated by NCTD-Na could promote the production of PA as well as the synthesis and catabolism of FAHFA in a variety of ways.The levels of Lyso PCs,LysoPEs and Lyso PA were correlated with PCs,PE and PA;PE and PS might have valgus during apoptosis,triggering phagocytosis." @default.
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- W3000785431 date "2019-01-01" @default.
- W3000785431 modified "2023-09-26" @default.
- W3000785431 title "[Lipid metabolism study of sodium norcantharidate in LO2 hepatocytes based on lipidomics]." @default.
- W3000785431 doi "https://doi.org/10.19540/j.cnki.cjcmm.20180925.002" @default.
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