Mechanisms of an exacerbation of hepatitis B and C in the presence of opisthorchiasis
V G Bychkov , G G Krylov , N A Efimova , Vladimir Vasil'evich Mefod'ev , A Kh Sabirov , A M Ibragimova , E D Khadieva , V G Bychkov , G G Krylov , N A Yefimova , V V Mefodyev , A Kh Sabirov , A M Ibragimova , Ye D Khadiyeva
Epidemiology and Infectious Diseases ›› 2010, Vol. 15 ›› Issue (2) : 34 -38.
Mechanisms of an exacerbation of hepatitis B and C in the presence of opisthorchiasis
The authors made clinical, immunological, biochemical, molecular genetic, and morphological analyses of the course of chronic hepatitis (CH) B and C concurrent with opisthorchiasis and without infestation.It was found that in parasitocenoses, pain, astheno-vegetative, dyspeptic, asthenic, and hepatomegalic syndromes were 2.0-3.3 times more frequently observed; the values of ALT, AST, thymol test, and alkaline phosphatase were significantly increased; the level of cholesterol decreased. The immune system exhibited disorganization and depression of humoral and cellular links. A morphological study of liver biopsy specimens by the Knodell scale revealed significantly enhanced hepatocyte destructive processes, alleviated immune-mediated inflammation, and obvious pericellular sclerosis of hepatocytes and sinusoidal capillaries, which substantially impaired the trophics of the liver parenchyma and stimulated apoptosis and necrosis. Virus gene mutations were seen.The severe course of CH concurrent with opisthorchiasis is attributable to more pronounced destructive processes and hypoxia of hepatocytes. Mutations of "responsible" genes are more frequently responsible for hepatocellular carcinoma.
chronic hepatitis / opisthorchiasis
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