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EN
Molecular techniques have become regular in clinical practice, becoming the basic tool in diagnosing infections, analyzing their natural histories, as well as it has become a significant marker in choosing therapeutical procedures. Correlation was shown between HBV-DNA viral load and dynamics of clinical progression of HBV infection. The appearance of HBV-DNA in patients successfully treated, precedes other markers of the loss of therapeutical control. As a result, only routine, systematic viraemia monitoring in course of therapy and analysis of mutatating HBV appearance optimize therapeutic procedures. Results of the RNA quantitative examinations and genotypes in HCV infected are the basis for the length of therapy. They are routinely performed during the period of treatment to predict its efficiency (RVR, cEVR, pEVR, EOT and SVR).
EN
The pro-inflammatory interleukines play a major role in the progress of chronic hepatitis C. Among the patients with chronic HCV infection, the morphology of the liver was assessed and the levels of serum and liver-tissue IL-1beta, IL-4 and IL-6 were determined. The levels of the cytokines were related to the liver tissue changes. RNA-HCV was measured by the RT-PCR method. Cytokine levels of the serum and liver tissue were measured by the Quantikine High Sensitivity test. The levels of serum IL-1beta, IL-4 and IL-6 (0.221, 0.104 and 1.393 pg/ml) in all HCV patients were higher in comparison with healthy adults (0.188, 0.025 and 0.600 pg/ml). The levels of liver tissue IL-1beta, IL-4 and IL-6 (4291.3, p<0.05; 1624.6, p<0.05; 1158.7 pg/g protein) in all HCV patients were higher compared to the patients with liver cirrhosis without HBV or HCV infection (2319.9, 553.6 and 756.2 pg/g protein). Patients with HCV infection demonstrated significant correlation between serum and liver-tissue levels of IL-1beta (Pearson: 0.61, p<0.05) and IL-4 (Pearson: 0.51). The level of serum IL-6 in patients with moderate chronic active hepatitis was higher when compared to the patients with mild chronic persistent hepatitis. Among the patients with mild chronic persistent hepatitis, the levels of liver tissue IL-6 were higher compared with those with moderate chronic active hepatitis. There was no correlation between histology changes and the levels of serum and liver-tissue IL-1beta and IL-4.
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