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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">gastro-j</journal-id><journal-title-group><journal-title xml:lang="ru">Российский журнал гастроэнтерологии, гепатологии, колопроктологии</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Journal of Gastroenterology, Hepatology, Coloproctology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1382-4376</issn><issn pub-type="epub">2658-6673</issn><publisher><publisher-name>«Gastro» LLC</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">gastro-j-1311</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ГЕПАТОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>HEPATOLOGY</subject></subj-group></article-categories><title-group><article-title>Проблемы скрытой инфекции, вызванной вирусом гепатита В</article-title><trans-title-group xml:lang="en"><trans-title>Issues occult hepatitis B virus infection</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Морозов</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Morozov</surname><given-names>I. A.</given-names></name></name-alternatives></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ильченко</surname><given-names>Л. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Ilchenko</surname><given-names>L. Yu.</given-names></name></name-alternatives></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Громова</surname><given-names>Н. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Gromova</surname><given-names>N. I.</given-names></name></name-alternatives></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фёдоров</surname><given-names>И. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Fyedorov</surname><given-names>I. G.</given-names></name></name-alternatives></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гордейчук</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gordeychuk</surname><given-names>I. V.</given-names></name></name-alternatives></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Княженцева</surname><given-names>А. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Knyazhentseva</surname><given-names>A. K.</given-names></name></name-alternatives></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зверкова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zverkova</surname><given-names>E. V.</given-names></name></name-alternatives></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Михайлов</surname><given-names>М. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Mikhaylov</surname><given-names>M. I.</given-names></name></name-alternatives></contrib></contrib-group><pub-date pub-type="collection"><year>2012</year></pub-date><pub-date pub-type="epub"><day>29</day><month>07</month><year>2012</year></pub-date><volume>22</volume><issue>4</issue><fpage>58</fpage><lpage>65</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Морозов И.А., Ильченко Л.Ю., Громова Н.И., Фёдоров И.Г., Гордейчук И.В., Княженцева А.К., Зверкова Е.А., Михайлов М.И., 2012</copyright-statement><copyright-year>2012</copyright-year><copyright-holder xml:lang="ru">Морозов И.А., Ильченко Л.Ю., Громова Н.И., Фёдоров И.Г., Гордейчук И.В., Княженцева А.К., Зверкова Е.А., Михайлов М.И.</copyright-holder><copyright-holder xml:lang="en">Morozov I.A., Ilchenko L.Y., Gromova N.I., Fyedorov I.G., Gordeychuk I.V., Knyazhentseva A.K., Zverkova E.V., Mikhaylov M.I.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.gastro-j.ru/jour/article/view/1311">https://www.gastro-j.ru/jour/article/view/1311</self-uri><abstract><p>Цель исследования. С помощью современных молекулярно-биологических и морфологических методов определить частоту встречаемости скрытой формы хронического гепатита В (ХГВ) среди HBsAg-негативных пациентов с хроническими заболеваниями печени (ХЗП) различной этиологии и дать ее клинико-морфологическую характеристику.Материал и методы. Обследовано 168 пациентов. Из 60 больных с наличием антител к HBcAg были отобраны 35 человек, не имевших HBsAg и ДНК HBV в сыворотке крови, которым была проведена тонкоигольная чрескожная биопсия печени. Для диагностики использованы молекулярно-биологические – иммуноферментный анализ (ИФА), полимеразная цепная реакция (ПЦР) и морфологические (иммуногистохимия, электронная микроскопия) методы.Результаты. Разработан новый двухэтапный алгоритм диагностики скрытой формы ХГВ. Описаны морфологические критерии, характерные для скрытого течения HBV-моноинфекции и коинфекции с HCV. С помощью иммуногистохимии и электронной микроскопии у всех больных с наличием в сыворотке крови антител к HBcAg и отсутствием HBsAg и ДНК HBV обнаружено присутствие вирионов HBV в ткани печени. Коинфекция HBV с HCV сопровождается более выраженной (по сравнению с моноинфекцией) иммуновоспалительной реакцией. В 80% случаев выявлено наличие у больных в лимфоидных элементах крови TT-like mini вируса (TTMV), а у двух больных этот вирус обнаружен в ядрах гепатоцитов, что свидетельствует о его гепатотропности.Выводы. Встречаемость скрытой формы гепатита В среди пациентов с ХЗП составляет не менее 20%. Установлено, что антитела к НВсAg могут служить эффективным, хотя и «суррогатным» маркёром HBV-инфекции.</p></abstract><trans-abstract xml:lang="en"><sec><title>Aim of investigation</title><p>Aim of investigation. With the help of up-to-date molecular-biological and morphological methods to determine frequency of the occult form of chronic hepatitis B (CHB) among HBsAg-negative patients with chronic liver diseases (CLD) of various etiology and to present clinical and morphological characteristic.</p></sec><sec><title>Material and methods</title><p>Material and methods. Overall 168 patients were investigated. Of 60 patients with anti-HBcAg antibodies 35 patients without HBsAg and DNA HBV in blood serum have been selected, who underwent fine-needle transcutaneous liver biopsy. Molecular biologic enzymelinked immunoassay (ELISA), polymerase chain reaction (PCR) and morphological (immunohistochemistry, electron microscopy) methods were utilized for diagnostics.</p></sec><sec><title>Results</title><p>Results. Novel two-stage algorithm of diagnostics of CHB occult form was developed. Morphological criteria, typical for obscure HBV-monoinfections and HCV coinfection are described. With the help of immunohistochemistry and electron microscopy in all patients with anti-HBcAg antibodies in serum and absence of HBsAg and DNA HBV, presence of HBV virions in liver tissue was revealed. HBV and HCV coinfection was accompanied by more severe (in comparison to monoinfection) immune inflammatory response. In 80% of cases presence of TT-like mini virus (TTMV) in blood lymphoid elements was revealed, in two patients this virus was detected in hepatocyte nucleus that proves its hepatotropic properties.</p></sec><sec><title>Conclusions</title><p>Conclusions. Frequency of the occult form of hepatitis B among CLD patients is no less than 20%. It was found, that anti-НВсAg antibodies can be effective, though «surrogate» marker of HBV-infection.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>хронический гепатит В</kwd><kwd>скрытая форма</kwd><kwd>диагностика</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chronic hepatitis B</kwd><kwd>occult form</kwd><kwd>diagnostics</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Вирусные гепатиты в Российской Федерации 2009: Аналитический обзор / Под ред. Г.Г. Онищенко, А.Б. Жебруна. – СПб: НИЭМ им. 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