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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">10.58838/2075-1230-2025-103-5-52-56</article-id><article-id custom-type="elpub" pub-id-type="custom">tiblj-1917</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>Экспрессия генов TSC1 и TSC2 в лейкоцитах периферической крови больных c хроническим течением саркоидоза легких</article-title><trans-title-group xml:lang="en"><trans-title>Expression of the TSC1 and TSC2 Genes in Peripheral Blood Leukocytes of Patients with Chronic Pulmonary Sarcoidosis</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>Малышева</surname><given-names>И. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Malysheva</surname><given-names>I. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Малышева Ирина Евгеньевна - к. б. н, старший научный сотрудник лаборатории генетики Института биологии КарНЦ РАН.</p><p>185910, Петрозаводск, ул. Пушкинская, д. 11</p><p>Тел.: +7 (8142) 76-60-40</p></bio><bio xml:lang="en"><p>Irina E. Malysheva - Candidate of Biological Sciences, Senior Researcher of Genetics Laboratory, Institute of Biology, Karelian Research Center, Russian Academy of Sciences.</p><p>11 Pushkinskaya St., Petrozavodsk, 185910</p><p>Phone: +7 (8142) 76-60-40</p></bio><email xlink:type="simple">i.e.malysheva@yandex.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>Балан</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Balan</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Балан Ольга Викторовна - к. б. н, старший научный сотрудник лаборатории генетики Института биологии КарНЦ РАН.</p><p>185910, Петрозаводск, ул. Пушкинская, д. 11</p><p>Тел.: +7 (8142) 76-60-40</p></bio><bio xml:lang="en"><p>Olga V. Balan - Candidate of Biological Sciences, Senior Researcher of Genetics Laboratory, Institute of Biology, Karelian Research Center, Russian Academy of Sciences.</p><p>11 Pushkinskaya St., Petrozavodsk, 185910</p><p>Phone: +7 (8142) 76-60-40</p></bio><email xlink:type="simple">ovbalan@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>Тихонович</surname><given-names>Э. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Tikhonovich</surname><given-names>E. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тихонович Элла Леонидовна - заведующая отделением респираторной терапии.</p><p>185002, Петрозаводск, ул. Пирогова, д. 3</p><p>Тел.: +7 (8142) 76-39-10</p></bio><bio xml:lang="en"><p>Ella L. Tikhonovich - Head of Respiratory Therapy Department.</p><p>3 Pirogova St., Petrozavodsk, 185002</p><p>Phone: +7 (8142) 76-39-10</p></bio><email xlink:type="simple">tikhonovich.ella@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУН Федеральный исследовательский центр «Карельский научный центр Российской академии наук»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Karelian Research Center, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ГБУЗ РК «Республиканская больница им. В.А. Баранова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>V.A. Baranov Republican Hospital</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>05</day><month>11</month><year>2025</year></pub-date><volume>103</volume><issue>5</issue><fpage>52</fpage><lpage>56</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Малышева И.Е., Балан О.В., Тихонович Э.Л., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Малышева И.Е., Балан О.В., Тихонович Э.Л.</copyright-holder><copyright-holder xml:lang="en">Malysheva I.E., Balan O.V., Tikhonovich E.L.</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.tibl-journal.com/jour/article/view/1917">https://www.tibl-journal.com/jour/article/view/1917</self-uri><abstract><sec><title>Цель исследования</title><p>Цель исследования: изучить уровень экспрессии мРНК генов TSC1 и TSC2 в лейкоцитах периферической крови больных саркоидозом легких с хроническим течением.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Обследовано 58 человек – 28 больных с хроническим течением саркоидоза легких (II стадия заболевания) без лечения, средний возраст – 42,11±2,21 года, и 30 человек из группы сравнения (здоровые люди), средний возраст – 43,03±1,84 года. Уровень экспрессии мРНК гена TSC1 и TSC2 в лейкоцитах периферической крови больных саркоидозом легких и здоровых людей оценивали методом ПЦР в режиме реального времени.</p></sec><sec><title>Результаты</title><p>Результаты. В группе больных саркоидозом (II стадия заболевания) при исследовании лейкоцитов периферической крови установлено значимое снижение уровня экспрессии мРНК гена TSC1 (p=0,007) и значимое повышение количества транскриптов гена TSC1 (p=0,0002) по сравнению со здоровыми лицами, сопоставимыми по возрасту.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>The objective</title><p>The objective: to study the level of mRNA expression of the TSC1 and TSC2 genes in peripheral blood leukocytes of patients with chronic pulmonary sarcoidosis and healthy individuals.</p></sec><sec><title>Subjects and Methods</title><p>Subjects and Methods. A total of 58 people were examined, of them 28 people were patients with chronic pulmonary sarcoidosis (stage II of the disease) without treatment, their average age made 42.11±2.21 years, and 30 people were included to Comparison Group (healthy individuals) with the average age of 43.03±1.84 years. Real-time PCR was used to assess the level of mRNA expression of the TSC1 and TSC2 genes in peripheral blood leukocytes (PBL) of patients with pulmonary sarcoidosis and healthy individuals.</p></sec><sec><title>Results</title><p>Results. In the group of patients with sarcoidosis (stage II of the disease), testing peripheral blood leukocytes revealed a significant decrease in expression of mRNA of the TSC1 gene (p=0.007) and a significant increase in the number of transcripts of the TSC1 gene (p=0.0002) compared to healthy individuals matched for age.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>саркоидоз легких</kwd><kwd>хроническое течение заболевания</kwd><kwd>экспрессия</kwd><kwd>мРНК ген TSC1</kwd><kwd>мРНК ген TSC2</kwd></kwd-group><kwd-group xml:lang="en"><kwd>pulmonary sarcoidosis</kwd><kwd>chronic course of the disease</kwd><kwd>expression</kwd><kwd>mRNA of the gene TSC1</kwd><kwd>mRNA of the gene TSC2</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Финансовое обеспечение исследований осуществлялось из средств федерального бюджета на выполнение государственного задания Карельского научного центра Российской академии наук (тема: FMEN-2022-0009).</funding-statement><funding-statement xml:lang="en">This research was funded by the federal budget for implementation of the state task of Karelian Research Center of the Russian Academy of Science (Topic: FMEN-2022-0009).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Визель А.А., Визель И.Ю. 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