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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Journal of microbiology, epidemiology and immunobiology</journal-id><journal-title-group><journal-title xml:lang="en">Journal of microbiology, epidemiology and immunobiology</journal-title><trans-title-group xml:lang="ru"><trans-title>Журнал микробиологии, эпидемиологии и иммунобиологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0372-9311</issn><issn publication-format="electronic">2686-7613</issn><publisher><publisher-name xml:lang="en">Central Research Institute for Epidemiology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">14024</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">PREVALENCE OF HEPATITIS E MARKERS IN CHILDREN</article-title><trans-title-group xml:lang="ru"><trans-title>РАСПРОСТРАНЕННОСТЬ МАРКЕРОВ ГЕПАТИТА Е У ДЕТЕЙ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Potemkin</surname><given-names>I. A</given-names></name><name xml:lang="ru"><surname>Потемкин</surname><given-names>И. А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Lopatukhina</surname><given-names>M. A</given-names></name><name xml:lang="ru"><surname>Лопатухина</surname><given-names>М. А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gadzhieva</surname><given-names>O. A</given-names></name><name xml:lang="ru"><surname>Гаджиева</surname><given-names>О. А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Prokhorova</surname><given-names>E. L</given-names></name><name xml:lang="ru"><surname>Прохорова</surname><given-names>Е. Л</given-names></name></name-alternatives><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Diyarrassuba</surname><given-names>A.</given-names></name><name xml:lang="ru"><surname>Дьяррассуба</surname><given-names>А.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Isaeva</surname><given-names>O. V</given-names></name><name xml:lang="ru"><surname>Исаева</surname><given-names>О. В</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kozhanova</surname><given-names>T. V</given-names></name><name xml:lang="ru"><surname>Кожанова</surname><given-names>Т. В</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ivanova</surname><given-names>O. E</given-names></name><name xml:lang="ru"><surname>Иванова</surname><given-names>О. Е</given-names></name></name-alternatives><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Silenova</surname><given-names>O. V</given-names></name><name xml:lang="ru"><surname>Силенова</surname><given-names>О. В</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Setdikova</surname><given-names>N. Kh</given-names></name><name xml:lang="ru"><surname>Сетдикова</surname><given-names>Н. Х</given-names></name></name-alternatives><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kyuregyan</surname><given-names>K. K</given-names></name><name xml:lang="ru"><surname>Кюрегян</surname><given-names>К. К</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mikhailov</surname><given-names>M. I</given-names></name><name xml:lang="ru"><surname>Михайлов</surname><given-names>М. И</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Chumakov Research Institute of Poliomyelitis and Viral Encephalitis</institution></aff><aff><institution xml:lang="ru">Институт полиомиелита и вирусных энцефалитов им.М.П.Чумакова</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Burdenko Research Institute of Neurosurgery</institution></aff><aff><institution xml:lang="ru">НИИ нейрохирургии им. Н.Н.Бурденко</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Chumakov Research Institute of Poliomyelitis and Viral Encephalitis,Enterprise for Production of Bacterial and Viral Preparations of the Chumakov Research Institute of Poliomyelitis and Viral Encephalitis</institution></aff><aff><institution xml:lang="ru">Институт полиомиелита и вирусных энцефалитов им.М.П.Чумакова, Предприятие по производству бактерийных и вирусных препаратов Института полиомиелита и вирусных энцефалитов им. М.П.Чумакова</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">State Scientific Centre Research Institute of Immunology</institution></aff><aff><institution xml:lang="ru">ГНЦ Институт иммунологии</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2015-04-15" publication-format="electronic"><day>15</day><month>04</month><year>2015</year></pub-date><volume>92</volume><issue>2</issue><issue-title xml:lang="en">NO2 (2015)</issue-title><issue-title xml:lang="ru">№2 (2015)</issue-title><fpage>38</fpage><lpage>46</lpage><history><date date-type="received" iso-8601-date="2023-06-09"><day>09</day><month>06</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2015, Potemkin I.A., Lopatukhina M.A., Gadzhieva O.A., Prokhorova E.L., Diyarrassuba A., Isaeva O.V., Kozhanova T.V., Ivanova O.E., Silenova O.V., Setdikova N.K., Kyuregyan K.K., Mikhailov M.I.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2015, Потемкин И.А., Лопатухина М.А., Гаджиева О.А., Прохорова Е.Л., Дьяррассуба А., Исаева О.В., Кожанова Т.В., Иванова О.Е., Силенова О.В., Сетдикова Н.Х., Кюрегян К.К., Михайлов М.И.</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="en">Potemkin I.A., Lopatukhina M.A., Gadzhieva O.A., Prokhorova E.L., Diyarrassuba A., Isaeva O.V., Kozhanova T.V., Ivanova O.E., Silenova O.V., Setdikova N.K., Kyuregyan K.K., Mikhailov M.I.</copyright-holder><copyright-holder xml:lang="ru">Потемкин И.А., Лопатухина М.А., Гаджиева О.А., Прохорова Е.Л., Дьяррассуба А., Исаева О.В., Кожанова Т.В., Иванова О.Е., Силенова О.В., Сетдикова Н.Х., Кюрегян К.К., Михайлов М.И.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://microbiol.crie.ru/jour/article/view/14024">https://microbiol.crie.ru/jour/article/view/14024</self-uri><abstract xml:lang="en"><p>Aim. Frequency of detection determination for past and current hepatitis E virus (HEV) infection markers in children with immune suppression, as well as children with normal immune status. Materials and methods. The presence of HEV markers (anti-HEV IgG and IgM, HEV RNA) was studied in 609 sera samples of children with neurologic pathologies, 87 samples - from children with immune deficiencies, as well as 3122 samples from conditionally healthy children of 6 regions of Russia. The children were divided into 5 age groups. Anti-HEV IgG and IgM determination was carried out in EIA, HEV RNA - by RT-PCR. Results. The frequency of detection of anamnestic anti-HEV IgG turned out to be significantly higher among immune-compromised children compared with healthy children (5.7% against 1.4%, p&lt;0.05). Anti-HEV IgM, that testify to current or recent infection, were also detected significantly more frequently among children with immune-suppression (1.1 - 1.6%) compared with healthy children (0.25%, p&lt;0.05). HEV RNA was detected in 1 child with the absence of anti-HEV IgM and IgG. Nucleotide sequence analysis of HEV confirmed membership of this isolate in genotype 3, that is prevalent in non-endemic territories. Conclusion. The data obtained have demonstrated, that HEV-infection is prevalent among children in Russia and its course is, probably, asymptomatic in most cases. Immune suppression is a factor of increased risk of infection of children with HEV.</p></abstract><trans-abstract xml:lang="ru"><p>Цель. Определение частоты выявления маркеров перенесенной и текущей ВГЕ-инфекции среди детей с иммуносупрессией, а также детей с нормальным иммунным статусом. Материалы и методы. На наличие маркеров ВГЕ (анти-ВГЕ IgG и IgM, РНК ВГЕ) исследовали 609 образцов сывороток детей с неврологическими патологиями, 87 образцов - от детей с иммунодефицитами, а также 3122 образца - от условно здоровых детей 6 регионов России. Дети были разделены на 5 возрастных групп. Определение анти-ВГЕ IgG и IgM проводили в ИФА, выявление РНК ВГЕ - методом ОТ-ПЦР Результаты. Частота выявления анамнестических анти-ВГЕ IgG оказалась достоверно выше среди иммунокомпрометированных детей по сравнению со здоровыми детьми (5,7% против 1,4%, p&lt;0,05). Анти-ВГЕ IgM, свидетельствующие о текущей или недавно перенесенной инфекции, также достоверно чаще выявляли среди детей с иммуносупрессией (1,1 - 1,6%) по сравнению со здоровыми детьми (0,25%, p&lt;0,05). У одного иммунокомпрометирован-ного ребенка была выявлена РНК ВГЕ при отсутствии анти-ВГЕ IgM и IgG. Анализ нуклеотидной последовательности ВГЕ подтвердил принадлежность данного изолята вируса к 3 генотипу, распространенному на неэндемичных территориях. Заключение. Полученные данные продемонстрировали, что ВГЕ-инфекция встречается среди детей на территории России и протекает, по-видимому, в большинстве случаев бессимптомно. Иммуносупрессия является фактором повышенного риска инфицирования детей ВГЕ.</p></trans-abstract><kwd-group xml:lang="en"><kwd>hepatitis E</kwd><kwd>anti-HEV</kwd><kwd>immune suppression</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>гепатит Е</kwd><kwd>анти-ВГЕ</kwd><kwd>иммуносупрессия</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Михайлов М.И., Шахгильдян И.В., Онищенко Г.Г. Энтеральные вирусные гепатиты (этиология, эпидемиология, диагностика, профилактика). М.,ВУНМЦ Росздрава, 2007.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Кюрегян К.К., Михайлов М.И. 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