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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-1279</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>Экспрессия HВcorAg при хроническом HВeАg-негативном гепатите: связь с клинико-гистологической активностью и HВsAg-статусом</article-title><trans-title-group xml:lang="en"><trans-title>HВcorAg expression in HВeАg-negative hepatitis: correlation to clinical and histological activity and HВsAg-status</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>Дуданова</surname><given-names>О. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Dudanova</surname><given-names>O. P.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Правдолюбова</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pravdolyubova</surname><given-names>I. A.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Петрозаводский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Petrozavodsk State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff xml:lang="ru" id="aff-2"><institution>Петрозаводский государственный университет</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2012</year></pub-date><pub-date pub-type="epub"><day>17</day><month>04</month><year>2012</year></pub-date><volume>22</volume><issue>2</issue><fpage>53</fpage><lpage>59</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Дуданова О.П., Правдолюбова И.А., 2012</copyright-statement><copyright-year>2012</copyright-year><copyright-holder xml:lang="ru">Дуданова О.П., Правдолюбова И.А.</copyright-holder><copyright-holder xml:lang="en">Dudanova O.P., Pravdolyubova I.A.</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/1279">https://www.gastro-j.ru/jour/article/view/1279</self-uri><abstract><p>Цель исследования. Определение особенностей экспрессии HВcorAg и зависимости некротически-воспалительного процесса от уровня и локализации HBcorAg в гепатоцитах у больных HBeAgнегативным AbHBe-позитивным хроническим гепатитом В (ХГВ) с различным HBsAg-статусом.Материал и методы. Обследованы 32 больных HBeAg (–) AbHBe (+) ХГВ: 13 – с HВsAg и 19 – без такового. HBcorAg выявлялся в ткани печени иммуногистохимическим методом с помощью тестсистем «Novocastra» UK. Оценивались традиционные лабораторные показатели, индекс гистологической активности по Knodell и модифицированным методом, индекс склероза по Metavir.Результаты. У 25 (78,1%) больных отмечалась цитоплазматическая и ядерная экспрессия HBcorAg и у 7 (21,9%) – только цитоплазматическая. Уровень HВcorAg в цитоплазме значительно (в 9 раз) превышал таковой в ядрах. Локализация HBcorAg в цитоплазме была различной: у 20 (62,5%) больных – периферической околомембранной и у 12 (37,5%) – равномерной диффузной. Выраженность некротически-воспалительного синдрома по лабораторным и гистологическим данным была выше при цитоплазматической экспрессии ядерного протеина (ЯП), чем при ядерно-цитоплазматической, а также выше при периферической околомембранной локализации ЯП, чем при равномерной диффузной.Выводы. Экспрессия НBcorAg не зависела от HВsAg-статуса, но у больных с отсутствием HВsAg уровень паренхиматозного повреждения, пренеопластических изменений гепатоцитов в виде мелкои крупноклеточной дисплазии был выше, чем у больных с наличием HВsAg.</p></abstract><trans-abstract xml:lang="en"><sec><title>Aim of investigation</title><p>Aim of investigation. Assessment of HВcorAg expression features and interrelations of necrotic - inflammatory process with the level and distribution of HBcorAg in hepatocytes in patients with HBeAgnegative AbHBe-positive chronic hepatitis B (CHB) having different HBsAg-status.</p></sec><sec><title>Material and methods</title><p>Material and methods. Overall 32 patients HBeAg (–) AbHBe (+) CHB were studied: 13 – with HВsAg and 19 – without HВsAg. HBcorAg was estimated in liver tissue by immunehistochemical method («Novocastra» UK tests-systems). Routine laboratory tests, Knodell histological activity index and modified index, Metavir fibrosis score were assessed.</p></sec><sec><title>Results</title><p>Results. In 25 patients (78,1%) cytoplasmic and nuclear HBcorAg expression and in 7 (21,9%) – only cytoplasmic HBcorAg expression was revealed. Cytoplasmic HВcorAg level was significantly (9-fold) higher, than that in nucleus. Cytoplasmic HBcorAg distribution was distinct: 20 patients (62,5%) had peripheral juxtamembrane and 12 (37,5%) – diffuse expression. The severity of necrotic and inflammatory syndrome according to laboratory and histological data was higher at cytoplasmatic expression of nuclear protein (NP), than at nucleocytoplasmic, and was also higher at peripheral juxtamembrane NP expression, than at diffuse.</p></sec><sec><title>Conclusions</title><p>Conclusions. НBcorAg expression did not depend on HВsAg-status, but in HВsAg-negative patients grade of parenchymatous damage, premalignant hepatocyte changes i.e. micro- and macrocellular dysplasia was higher, than in HВsAg-positive patients.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>HВeAg-негативный гепатит В</kwd><kwd>HВsAg-статус</kwd><kwd>HВcorAg</kwd><kwd>иммуногистохимическое исследование</kwd><kwd>precore/core-мутация</kwd><kwd>pres/ s-мутация</kwd><kwd>некротически-воспалительный синдром</kwd></kwd-group><kwd-group xml:lang="en"><kwd>HВeAg-negative hepatitis B</kwd><kwd>HВsAgstatus</kwd><kwd>HВcorAg</kwd><kwd>immunehistochemical study</kwd><kwd>precore/core-mutation</kwd><kwd>pres/s-mutation</kwd><kwd>necrotic and inflammatory syndrome</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">Bonino F, Piratvisuth T, Brunetto MR, Liaw Y-F. 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