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  • Title: Adipohormones as prognostric markers in patients with nonalcoholic steatohepatitis (NASH).
    Author: Krawczyk K, Szczesniak P, Kumor A, Jasinska A, Omulecka A, Pietruczuk M, Orszulak-Michalak D, Sporny S, Malecka-Panas E.
    Journal: J Physiol Pharmacol; 2009 Oct; 60 Suppl 3():71-5. PubMed ID: 19996485.
    Abstract:
    Nonalcoholic steatohepatitis (NASH) represents one of the most common liver diseases. It is strongly associated with obesity and insulin resistance and is thought to be part of the metabolic syndrome. NASH can progress to cirrhosis and liver failure. Adipohormones, synthesized in adipose tissue, are involved in the pathophysiology of many acute and chronic liver diseases. The aim of this study was to evaluate the plasma concentrations of adiponectin, resistin, leptin, TNF-alpha and Il-6 in patients with NASH, as well as their correlation with the pathologic parameters. Serum concentration of leptin, adiponectin, resistin, insulin, TNF-alpha, IL-6 were measured with ELISA method. Liver biopsies were obtained from 18 (age 42.55+/-21 years) patients. NASH has been classified according to Dixon score. The control group was represented by 16 non-obese subjects. Mean serum concentration of adiponectin in patients with NASH was significantly lower than in healthy subjects (4.87+/-1.96 vs. 8.33+/-4.56 ng/ml; p<0.05). Mean serum levels of TNF-alpha in patients with NASH were significantly higher than in controls (34.2+/-19.7 vs. 20.7+/-15.5 ng/ml; p<0.05). In patients with more advanced inflammation (grade 2-3) and fibrosis (stage 2) in pathology, serum concentration of leptin was significantly higher than in patients with steatosis and less advanced inflammation (grade 1) and fibrosis (stage 1) (median 8.94 vs. 16.2 ng/ml; p<0.05). No significant differences of serum concentration of others adipohormones between these two groups of patients were stated. Moreover, we observed the correlation in serum levels (examined group vs controls) between: resistin and TNF-alpha (r = 0.62; p<0.05), adiponectin and IL-6 (r = -0.60; p<0.05) and leptin and insulin (r = -0.51; p<0.05). In conclusion, based on our study we speculate that changes of adipohormones levels may be markers of NASH and the serum level of leptin can be associated with more advanced form of NASH.
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