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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">ymj</journal-id><journal-title-group><journal-title xml:lang="ru">Якутский медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Yakut Medical Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1813-1905</issn><issn pub-type="epub">2312-1017</issn><publisher><publisher-name>ЯНЦ КМП</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">ymj-1542</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>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCH</subject></subj-group></article-categories><title-group><article-title>Патогенетические аспекты поражения носа у пациентов с хроническим вирусным гепатитом С</article-title><trans-title-group xml:lang="en"><trans-title>Pathogenetic Aspects of Nasal Lesions in Patients with Chronic Hepatitis C</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>Местникова</surname><given-names>А. З.</given-names></name><name name-style="western" xml:lang="en"><surname>Mestnikova</surname><given-names>A. Z.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Местникова Аина Захаровна – аспирант каф. Оториноларингологии</p></bio><bio xml:lang="en"><p>Mestnikova Ainа Zakharovna – post-graduate student of the department of otorhinolaryngology</p><p>195067, St. Petersburg, Piskarevskiy pr., D. 47; tel .: (812) 543-94-13</p></bio><email xlink:type="simple">Aino4ka_13@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Артюшкин</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Artushkin</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Артюшкин Сергей Анатольевич – д.м.н., проф., зав. кафедрой Оториноларингологии</p></bio><bio xml:lang="en"><p>Artushkin Sergey Anatolevich – MD, Professor, Head of department of otorhinolaryngology</p><p>191015, St. Petersburg, ul.Kirochnaya, d. 41; tel .: (812) 303-50-00</p></bio><email xlink:type="simple">Sergei.Artyushkin@spbmapo.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Артюшкина</surname><given-names>В. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Artushkina</surname><given-names>V. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Артюшкина Валентина Кузьминична – к.м.н., доцент каф. Оториноларингологии</p></bio><bio xml:lang="en"><p>Artushkina Valentina Kuzminichna - PhD, Associate professor of the department of otorhinolaryngology</p><p>191015, St. Petersburg, ul.Kirochnaya, d. 41; tel.: (812) 303-50-00</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Северо-Западный ГМУ им. И.И. Мечникова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Mechnikov Northwestern State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>16</day><month>09</month><year>2025</year></pub-date><volume>0</volume><issue>1</issue><fpage>7</fpage><lpage>10</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Местникова А.З., Артюшкин С.А., Артюшкина В.К., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Местникова А.З., Артюшкин С.А., Артюшкина В.К.</copyright-holder><copyright-holder xml:lang="en">Mestnikova A.Z., Artushkin S.A., Artushkina V.K.</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://ymj.elpub.ru/jour/article/view/1542">https://ymj.elpub.ru/jour/article/view/1542</self-uri><abstract><p>В статье отражена проблема развития носовых кровотечений у лиц с хроническим вирусным гепатитом С. Целью исследования было определение наличия фрагментов вируса HCV в слизистой оболочке носа, изменения местного Т-клеточного иммунитета, выявление морфологических изменений слизистой оболочки носа при хроническом вирусном гепатите С. В результате исследования было выявлено наличие неструктурного белка NS3 HCV, активация местного Т-клеточного иммунитета и метаплазия эпителия слизистой оболочки носа.</p></abstract><trans-abstract xml:lang="en"><p>The article reflects the problem of nasal bleeding in patients with chronic hepatitis C. The purpose of the study was to determine the presence of the HCV virus fragments in nasal mucosa, changes in the local T-cell immunity, detection of morphological changes of the nasal mucosa in chronic viral hepatits C. The result revealed the presence of HCV nonstructural protein NS3, local activation of T-cell immunity and metaplasia of the epithelium of the nasal mucosa.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>хронический гепатит С</kwd><kwd>вирус гепатита С</kwd><kwd>носовое кровотечение</kwd><kwd>NS3 белок HCV</kwd><kwd>метаплазия эпителия</kwd><kwd>гипокоагуляция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chronic hepatitis C (HCV)</kwd><kwd>virus of hepatitis C (HCV)</kwd><kwd>nosebleeds</kwd><kwd>NS3 protein of HCV</kwd><kwd>epithelial metaplasia</kwd><kwd>hypocoagulation</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">Байкова Т.А. Многообразие внепеченочных проявлений хронических вирусных гепатитов В и С, общие принципы лечения / Т.А. Байкова, Т.Н. 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