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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">tiblj</journal-id><journal-title-group><journal-title xml:lang="ru">Туберкулез и болезни легких</journal-title><trans-title-group xml:lang="en"><trans-title>Tuberculosis and Lung Diseases</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2075-1230</issn><issn pub-type="epub">2542-1506</issn><publisher><publisher-name>Медицинские знания и технологии</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21292/2075-1230-2019-97-4-12-18</article-id><article-id custom-type="elpub" pub-id-type="custom">tiblj-1256</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 СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Распространенность мутаций в генах микобактерий туберкулеза, кодирующих лекарственную устойчивость к изониазиду и рифампицину, у больных туберкулезом в разных возрастных группах</article-title><trans-title-group xml:lang="en"><trans-title>Prevalence of mutations in Mycobacterium tuberculosis genes coding resistance to isoniazid and rifampicin in tuberculosis patients from different age groups</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>Салина</surname><given-names>Т. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Salina</surname><given-names>T. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Салина Татьяна Юрьевна - доктор медицинских наук, доцент, профессор кафедры фтизиатрии.</p><p>410012, г. Саратов, ул. Б. Казачья, д. 112, тел.: 8 (8452) 51-40-65</p></bio><bio xml:lang="en"><p>Tatiana Yu. Salina - Doctor of Medical Sciences, Associate Professor, Professor of Phthisiology Department. </p><p>112, B. Kazachya St., Saratov, 410012, Phone: +7 (8452) 51-40-65</p></bio><email xlink:type="simple">SalinaTU@rambler.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>Морозова</surname><given-names>Т. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Morozova</surname><given-names>T. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Морозова Татьяна Ивановна - доктор медицинских наук, профессор, заведующая кафедрой фтизиатрии.</p><p>410012, г. Саратов, ул. Б. Казачья, д. 112, тел./факс: 8 (8452) 26-16-90</p></bio><bio xml:lang="en"><p>Tatiana I. Morozova - Doctor of Medical Sciences, Professor, Head of Phthisiology Department.</p><p>112, B. Kazachya St., Saratov, 410012, Phone/Fax: +7 (8452) 26-16-90</p></bio><email xlink:type="simple">dispans@san.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГБОУ ВО «Саратовский ГМУ им. В.И. Разумовского» МЗ РФ<country>Россия</country></aff><aff xml:lang="en">Saratov State Medical University named after V.I. Razumovsky<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>06</day><month>05</month><year>2019</year></pub-date><volume>97</volume><issue>4</issue><fpage>12</fpage><lpage>18</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Салина Т.Ю., Морозова Т.И., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Салина Т.Ю., Морозова Т.И.</copyright-holder><copyright-holder xml:lang="en">Salina T.Y., Morozova T.I.</copyright-holder><license 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.tibl-journal.com/jour/article/view/1256">https://www.tibl-journal.com/jour/article/view/1256</self-uri><abstract><sec><title>Цель</title><p>Цель: изучить распространенность и спектр мутаций в генах katG, inhA, ahpC, кодирующих лекарственную устойчивость (ЛУ) к изониазиду, и в гене rpoB, кодирующем ЛУ к рифампицину, у больных туберкулезом легких разного возраста.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Обследовано 253 пациента, которые в зависимости от возраста разделены на 3 группы (группа 1 ‒ от 18 до 30 лет, группа 2 ‒ от 31 года до 60 лет, группа 3 ‒ от 61 года до 80 лет). Исследования проводили на биологических микрочипах с применением набора реагентов «ТВ-Биочип» (Россия).</p></sec><sec><title>Результаты</title><p>Результаты. В группах 1 и 2 по сравнению с группой 3 достоверно чаще регистрировали мутации одновременно в генах katG, inhA, ahpC и в гене rpoB, то есть чаще наблюдалась множественная лекарственная устойчивость (МЛУ) (32,4 и 36,1% против 13,2% соответственно). Мутации в гене katG в целом (включая МЛУ + изолированную устойчивость к изониазиду) также достоверно чаще встречались в группах 1 и 2 (30,9 и 32,7%) по сравнению с группой 3 (10,5%). Аналогичные изменения выявлены и в отношении распространенности неблагоприятного вида мутации ser 315-&gt;Thr гена katG, которая зарегистрирована в 23,5% случаев в группе 1, в 21,8% случаев ‒ в группе 2 и в 7,9% – в группе 3. В группе 3 реже регистрировали мутации в гене rpoB (включая МЛУ) ‒ 26,5% против 45,5% в группе 1 и 46,9% в группе 2. Достоверных различий в спектре мутаций в гене rpoB между обследуемыми группами пациентов не получено. Таким образом, установлен достоверно более низкий уровень ЛУ к изониазиду и рифампицину у больных туберкулезом пожилого и старческого возраста по сравнению с пациентами молодого и среднего возраста, регистрируемый на уровне генетических мутаций.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>The objective</title><p>The objective: to study the prevalence and ranges of mutations in katG, inhA, and ahpC genes coding resistance to isoniazid, and in rpoB gene coding resistance to rifampicin in patients with pulmonary tuberculosis from different age groups. </p></sec><sec><title>Subjects and methods</title><p>Subjects and methods. 253 patients were examined; based on their age they were divided into 3 groups (Group 1 – from 18 to 30 years, Group 2 – from 31 to 60 years, group 3 – from 61 to 80 years). Biological microchips with TB-Biochip reagent kit (Russia) were used. </p></sec><sec><title>Results</title><p>Results. In Groups 1 and 2, compared to Group 3, mutations were recorded more often simultaneously in katG, inhA, ahpC genes and rpoB genes which meant that multiple drug resistance (MDR) prevailed (32.4 and 36.1% against 13.2%, respectively). In general, mutations in katG gene (including MDR + isolated isoniazid resistance) were also confidently more frequent in Groups 1 and 2 (30.9 and 32.7%) versus Group 3 (10.5%). Similar changes were found in the prevalence of the adverse type of ser 315-&gt; Thr mutation of katG gene, which was registered in 23.5% of cases in Group 1, in 21.8% of cases in Group 2, and in 7.9% – in Group 3. In Group 3, mutations in rpoB gene (including MDR) were less frequently recorded and made 26.5% versus 45.5% in Group 1 and 46.9% in Group 2. There were no confident differences in ranges of mutations in rpoB gene between the examined groups of patients. Thus, a significantly lower level of resistance to isoniazid and rifampicin in elderly and senile tuberculosis patients was found compared to young and middle-aged patients, which was registered at the level of genetic mutations.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>туберкулез</kwd><kwd>мутации в генах</kwd><kwd>резистентность</kwd><kwd>изониазид</kwd><kwd>рифампицин</kwd></kwd-group><kwd-group xml:lang="en"><kwd>tuberculosis</kwd><kwd>gene mutations</kwd><kwd>resistance</kwd><kwd>isoniazid</kwd><kwd>rifampicin</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">Васильева И. А., Белиловский Е. М., Борисов С. Е., Стерликов С. А. 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