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Clinical Medicine of China ; (12): 1071-1074, 2015.
Article in Chinese | WPRIM | ID: wpr-483220


Objective To clarify the relationship between tumor necrosis factor alpha (TNF-α) and leptin in nonalcoholic fatty liver disease.Methods The real-time quantitative PCR (q-PCR) and enzymelinked immunosorbent adsorption experiment(ELISA) were used to detect the expression and correlation of TNFα and leptin in blood cells and serum from the normal group, non-alcoholic simple fatty liver(NAFL) group, nonalcoholic steatohepatitis (NASH) group and cirrhosis group.Results At the level of mRNA, the transcription of TNF-α in cirrhosis group was 14.03 times, 12.07 times and 11.05 times of the normal group, NAFL group and NASH group,and the difference was significant(P<0.05).Leptin transcription of cirrhosis group was 1.95 times,0.79 times and 1.45 times of normal group, NAFL group and of NASH group(P>0.05).And in the cirrhosis group, the expression of TNF-α was 7.52 times higher than Leptin (P< 0.01).In expression level of protein,TNF-α and leptin in cirrhosis group was 1.98 times and 2.39 times higher than the normal group, 1.24 times and 1.30 times higher than the NAFL group, 1.27 times and 1.37 times higher than NASH, and the difference was significant(P<0.05).Moreover the expression of TNF-α was significantly higher than that of Leptinin groups above(P<0.01).Conclusion TNF-α and Leptin are less expression in lymphocytes, but more expression in serum.And TNF-α and Leptin affect the evolution of NAFLD, and present a positive correlation, which lead to the occurrence of NAFLD.Comparing the two methods, detection of serum is more sensitive and more suitable for clinical study than lymphocyte.