• Terapevt Arkh · Nov 2021

    [Functional activity of blood neutrophilic granulocytes in patients with opisthorchiasis, depending on the severity of liver fibrosis].

    • V V Tsukanov, E G Gorchilova, O A Kolenchukova, I I Gvozdev, A A Savchenko, E V Kasparov, A V Vasyutin, J L Tonkikh, A G Borisov, and O S Rzhavicheva.
    • Federal Research Center "Krasnoyarsk Scientific Center".
    • Terapevt Arkh. 2021 Nov 15; 93 (11): 1271-1277.

    AimTo study the activity of neutrophilic granulocytes in patients with opisthorchiasis, depending on the severity of liver fibrosis.Materials And MethodsA total of 74 patients with chronic opisthorchiasis (39 men and 35 women, average age 42.3 years) and 32 practically healthy patients (17 men and 15 women, average age 41.5 years) aged 24 to 60 years were examined. Diagnosis of opisthorchiasis was carried out by two methods: coprooscopy and identification of eggs or bodies of adult parasites in duodenal content. Liver fibrosis was determined by the method of elastometry according to the METAVIR scale in all 74 patients with opisthorchiasis. The study of the functional activity of neutrophils in the blood was performed to all 74 patients with opisthorchiasis and 32 healthy individuals from the control group by chemiluminescent analysis with measurement of the reactive oxygen species (ROS) production intensity in a spontaneous and zymosan-induced reaction in lucigenin and luminol-dependent processes.ResultsLiver fibrosis F2 by METAVIR was registered in 20.3% of the examined individuals, liver fibrosis F3F4 by METAVIR was detected in 17.6% of patients with opisthorchiasis. In patients with opisthorchiasis with liver fibrosis F3F4 by METAVIR, a significant decrease in the functional activity of neutrophilic granulocytes was registered in comparison with individuals with liver fibrosis F0F1 by METAVIR, as evidenced by a significant decrease in the maximum intensity of ROS production (Imax) and the area under the curve (S) chemiluminescence in lucigenin and luminol-dependent processes both in the spontaneous and zymosan-induced reaction.ConclusionThese results provide new information to explain the mechanisms of liver fibrosis in patients opisthorchiasis and create opportunities for the development of diagnostics and preventive technologies.

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