Development and evaluation of an enzyme immunoassay for diagnosis of acute viral hepatitis E
https://doi.org/10.51523/2708-6011.2025-22-2-04
Abstract
Objective. To develop a national high-sensitivity and marked specifity enzyme immunoassay test system for determining class М immunoglobulins to the hepatitis E virus (HEV) in human blood serum “ELISA-anti-HEV IgМ“.
Materials and methods. The base for this research is City Clinical Hospital of Infectious Diseases in Minsk. Qualitative determination of anti-HEV IgМ in human blood serum samples was carried out by indirect enzyme immunoassay using reference kits – “ELISA-ANTI-HEV-IgМ“, Vecto hep E-IgМ. 96-well polystyrol strip plates were used to design a national test system for the qualitative detection of anti-HЕV-IgМ; recombinant antigens – analogues of the protein ORF2 and ORF3 HЕV of the genotype 3; antibodies against human IgM conjugated with horseradish peroxidase; post-closing solution; serum dilution solution and conjugate dilution solution.
Results. Optimal concentrations for sorption of ORF2 and ORF3 proteins were determined, amounting to 2 mg/ml and 1 mg/ml. The incubation time with TMB is set to 20 minutes. Diagnostic sensitivity of the test system was no less than 99%, and diagnostic specificity was no less than 99%. The index of in-series reproducibility was 92,3%, inter-series reproducibility was 86,1%. Technical specifications TU BY 100185093.093-2023 were developed and registered. Direction for use of the reagent kit of the test system “ELISA-anti-HEV-IgM human“ for determining markers of acute viral hepatitis E in human blood serum by enzyme immunoassay was approved.
Conclusion. The first national test system “ELISA-anti-HЕV-IgM” for the determination of class M immunoglobulins against hepatitis E virus in human blood serum by indirect enzyme immunoassay was developed. Laboratory and technical tests of the experimental sample of the test system were carried out, shown its high diagnostic sensitivity, specificity and reproducibility. The regulatory, technical and operational documentation for the test system was approved.
About the Authors
I. S. ZadoraBelarus
Ilona S. Zadora - Senior Lecturer at the Department of Microbiology, Virology, Immunology, Belarusian State Medical University; Junior Researcher, Pilot Production of the Institute of Bioorganic Chemistry National Academy of Sciences of Belarus.
Minsk
S. V. Zhavoronok
Belarus
Sergey V. Zhavoronok - Doctor of Medical Sciences, Professor, Professor at the Department of Infectious Diseases, Belarusian State Medical University.
Minsk
G. I. Alatortseva
Russian Federation
Galina I. Alatortseva - Candidate of Biological Sciences, Head of the Laboratory of Cloning Viral Genomes, I.I. Mechnikov Vaccine and Serum Research Institute.
Moscow
A. I. Shcherban
Belarus
Aleksandr I. Shcherban - Candidate of Biological Sciences, Head of the Scientific and Technical Department, Pilot Production of the Institute of Bioorganic Chemistry National Academy of Sciences of Belarus.
Minsk
L. N. Pritvorova
Russian Federation
Lyudmila N. Pritvorova - Candidate of Medical Sciences, Leading Researcher of the Laboratory of Cloning of Viral Genomes, I.I. Mechnikov Vaccine and Serum Research Institute.
Moscow
L. N. Nesterenko
Russian Federation
Lyubov N. Nesterenko - Candidate of Chemical Sciences, Leading Researcher of the Laboratory of Cloning of Viral Genomes, I.I. Mechnikov Vaccine and Serum Research Institute.
Moscow
V. V. Davydov
Belarus
Vladimir V. Davydov - Candidate of Biological Sciences, Associate Professor, Head of the Department of Biology, Belarusian State Medical University.
Minsk
L. A. Anisko
Belarus
Lyudmila A. Anisko - Candidate of Medical Sciences, Associate professor, Associate professor at the Departments of Infectious Diseases, Belarusian State Medical University; Board Certified Physician, Head of the Laboratory, City Clinical Hospital of Infectious Diseases.
Minsk
T. A. Rogacheva
Belarus
Tamara A. Rogacheva - Candidate of Medical Sciences, Associate professor, Associate Professor at the Departments of Infectious Diseases, Belarusian State Medical University; Board Certified in Laboratory Diagnostics, City Clinical Hospital of Infectious Diseases.
Minsk
N. V. Bayur
Belarus
Nadzeya G. Bayur - External Part-timer of the Department of Infectious Diseases, Belarusian State Medical University; Biologists at the Clinical Diagnostic Laboratory, City Clinical Hospital of Infectious Diseases.
Minsk
N. V. Shchuka
Belarus
Natalia V. Shchuka - Researcher, Pilot Production of the Institute of Bioorganic Chemistry National Academy of Sciences of Belarus.
Minsk
Yu. A. Mytko
Belarus
Yulia A. Mytko - Researcher, Pilot Production of the Institute of Bioorganic Chemistry National Academy of Sciences of Belarus.
Minsk
V. V. Simirsky
Belarus
Vladimir V. Simirsky - Candidate of Technical Sciences, Director of the Pilot Production of the Institute of Bioorganic Chemistry National Academy of Sciences of Belarus.
Minsk
M. I. Mikhailov
Russian Federation
Mikhail I. Mikhailov - Doctor of Medical Sciences, Professor, Corresponding Member of the Russian Academy of Sciences, Chief Researcher, Head of the Laboratory of Viral Hepatitis, I.I. Mechnikov Vaccine and Serum Research Institute; Chief Researcher of the Central Research Institute of Epidemiology of Rospotrebnadzor.
Moscow
V. V. Zverev
Russian Federation
Vitaly V. Zverev - Doctor of Biological Sciences, Professor, Academician of the Russian Academy of Sciences, Head of the Department of Microbiology, Virology and Immunology, I.M. Sechenov First Moscow State Medical University (Sechenovskiy University); Academic Advisor, I.I. Mechnikov Vaccine and Serum Research Institute.
Moscow
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Supplementary files
Review
For citations:
Zadora I.S., Zhavoronok S.V., Alatortseva G.I., Shcherban A.I., Pritvorova L.N., Nesterenko L.N., Davydov V.V., Anisko L.A., Rogacheva T.A., Bayur N.V., Shchuka N.V., Mytko Yu.A., Simirsky V.V., Mikhailov M.I., Zverev V.V. Development and evaluation of an enzyme immunoassay for diagnosis of acute viral hepatitis E. Health and Ecology Issues. 2025;22(2):35-45. (In Russ.) https://doi.org/10.51523/2708-6011.2025-22-2-04