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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">medalphabet</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинский алфавит</journal-title><trans-title-group xml:lang="en"><trans-title>Medical alphabet</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2078-5631</issn><issn pub-type="epub">2949-2807</issn><publisher><publisher-name>ООО «Альфмед»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33667/2078-5631-2024-34-27-34</article-id><article-id custom-type="elpub" pub-id-type="custom">medalphabet-4143</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Молекулярно-генетические исследования в диагностике инфекции Helicobacter pylori</article-title><trans-title-group xml:lang="en"><trans-title>Molecular-genetic studies in the diagnosis of Helicobacter pylori infection</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7429-0336</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Барышникова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Baryshnikova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Барышникова Наталья Владимировна, к.м.н., доцент, младший научный сотрудник лаборатории медико-социальных проблем педиатрии Санкт-Петербургского государственного педиатрического медицинского университета; доцент кафедры внутренних болезней стоматологического факультета Первого Санкт-Петербургского государственного медицинского университета имени академика И. П. Павлова; научный сотрудник лаборатории молекулярной микробиологии Института экспериментальной медицины</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Baryshnikova Natalia V., PhD Med, aassociate professor, junior researcher at Laboratory of Medical and Social Problems of Pediatrics,  St. Petersburg State Pediatric Medical University;  associate professor at Dept of Internal Medicine, Faculty of Dentistry, Pavlov First St-Petersburg State Medical University;  researcher at Laboratory of Molecular Microbiology, Institute of Experimental Medicine</p><p>St-Petersburg</p></bio><email xlink:type="simple">baryshnikova_nv@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-5997-4096</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ловчикова</surname><given-names>М. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Lovchikova</surname><given-names>M. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ловчикова Марина Дмитриевна, врач-гастроэнтеролог</p><p>Сургут</p></bio><bio xml:lang="en"><p>Lovchikova Marina D., gastroenterologist</p><p>Surgut</p></bio><email xlink:type="simple">rozmd@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0005-6776-9353</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шишлова</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Shishlova</surname><given-names>I. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шишлова Ирина Игоревна, врач-гастроэнтеролог</p><p>Астрахань</p></bio><bio xml:lang="en"><p>Shishlova Irina I., gastroenterologist</p><p>Astrakhan</p></bio><email xlink:type="simple">reilain.kochina@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Санкт-Петербургский государственный педиатрический медицинский университет» Минздрава России; &#13;
ФГБОУ ВО «Первый Санкт-Петербургский государственный медицинский университет имени академика И. П. Павлова»; &#13;
ФГБНУ «Институт экспериментальной медицины»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>St. Petersburg State Pediatric Medical University; &#13;
Pavlov First St-Petersburg State Medical University; &#13;
Institute of Experimental Medicine</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>БУ Ханты-Мансийского автономного округа – Югры «Сургутская городская клиническая поликлиника № 4»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>4Surgut City Clinical Polyclinic No. 4</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ГБУЗ Астраханской области «Александро-Мариинская областная клиническая больница»; &#13;
ЧУЗ «Медико-санитарная часть»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Alexander-Mariinsky Regional Clinical Hospital; &#13;
Private healthcare institution «Medical and Sanitary Unit»,</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>23</day><month>01</month><year>2025</year></pub-date><volume>0</volume><issue>34</issue><issue-title>Практическая гастроэнтерология (3)</issue-title><fpage>27</fpage><lpage>34</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Барышникова Н.В., Ловчикова М.Д., Шишлова И.И., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Барышникова Н.В., Ловчикова М.Д., Шишлова И.И.</copyright-holder><copyright-holder xml:lang="en">Baryshnikova N.V., Lovchikova M.D., Shishlova I.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.med-alphabet.com/jour/article/view/4143">https://www.med-alphabet.com/jour/article/view/4143</self-uri><abstract><p>Вопросы оптимизации ведения пациентов, инфицированных Helicobacter pylori, остаются актуальными в клинической терапии и гастроэнтерологии вот уже в течение многих лет. Это связано как с высокой распространенностью инфекции H. pylori в России: в зависимости от региона она составляет 35–60 %, так и с потенциальной канцерогенностью микроорганизма в отношении развития рака желудка. Согласно клиническим рекомендациям, при проведении эндоскопического исследования верхних отделов желудочно-кишечного тракта в качестве метода первичной диагностики инфекции могут быть рекомендованы быстрый уреазный тест со взятием биоптата из антрального отдела и тела желудка или полимеразная цепная реакция (ПЦР) с биоптатом желудка. Повысить эффективность диагностики может расширенное молекулярно-генетическое типирование микроба, с определением нескольких генов, кодирующих синтез факторов патогенности H. pylori, а также анализом резистентности микроба к антибиотикам (детекция генов, кодирующих мутации, сопряженные с резистентностью микроорганизма). Благодаря комплексу исследований, включающих не только верификацию возбудителя, но и и молекулярно-генетическое типирование инфекции методом ПЦР, можно существенно оптимизировать тактику ведения пациентов, инфицированных H. pylori и обеспечить персонифицированный подход к проведению антихеликобактерной терапии в зависимости от вирулентности и резистентности штамма возбудителя, которым инфицирован человек. Возрастает актуальность и широта использования полногеномного секвенирования H. pylori, однако это исследование не применяется в рутинной медицинской практике, в том числе из-за высокой стоимости.</p></abstract><trans-abstract xml:lang="en"><p>The issues of optimizing the management of patients infected with Helicobacter pylori have remained relevant in clinical therapy and gastroenterology for many years. This is due both to the high prevalence of H. pylori infection in Russia: depending on the region, it is 35–60 %, and to the potential carcinogenicity of the microorganism in relation to the development of stomach cancer. According to clinical recommendations, when conducting an endoscopic examination of the upper gastrointestinal tract, a rapid urease test with a biopsy from the antrum and the body of the stomach or polymerase chain reaction (PCR) with a biopsy of the stomach may be recommended as a method of primary diagnosis of infection. Enhanced molecular genetic typing of the microbe can increase the effectiveness of diagnosis, with the identification of several genes encoding the synthesis of pathogenicity factors H. pylori, as well as the analysis of microbial resistance to antibiotics (detection of genes encoding mutations associated with microbial resistance). Thanks to a set of studies that include not only verification of the pathogen, but also molecular genetic typing of infection by PCR, it is possible to significantly optimize the management tactics of patients infected with H. pylori and provide a personalized approach to antihelicobacter therapy depending on the virulence and resistance of the strain of the pathogen with which a person is infected. The relevance and breadth of the use of full-genome H. pylori sequencing is increasing, however, this study is not used in routine medical practice, including due to the high cost.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Helicobacter pylori</kwd><kwd>полимеразная цепная реакция</kwd><kwd>молекулярно-генетическое исследование</kwd><kwd>диагностика</kwd><kwd>секвенирование</kwd><kwd>резистентность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Helicobacter pylori</kwd><kwd>polymerase chain reaction</kwd><kwd>molecular genetic research</kwd><kwd>diagnosis</kwd><kwd>sequencing</kwd><kwd>resistance</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">Bordin D, Morozov S, Plavnik R, Bakulina N, Voynovan I, Skibo I, Isakov V, Bakulin I, Andreev D, Maev I. 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