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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">zabmedvestnik</journal-id><journal-title-group><journal-title xml:lang="ru">Забайкальский медицинский вестник</journal-title><trans-title-group xml:lang="en"><trans-title>Transbaikalian Medical Bulletin</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">1998-6173</issn><publisher><publisher-name>Читинская государственная медицинская академия</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52485/19986173_2024_1_41</article-id><article-id custom-type="elpub" pub-id-type="custom">zabmedvestnik-7</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>СОДЕРЖАНИЕ МАТРИКСНОЙ МЕТАЛЛОПРОТЕИНАЗЫ 9 В КРОВИ ПАЦИЕНТОВ, ПЕРЕНЕСШИХ COVID-19-АССОЦИИРОВАННОЕ ПОРАЖЕНИЕ ЛЕГКИХ</article-title><trans-title-group xml:lang="en"><trans-title>BLOOD CONTENT OF MATRIX METALLOPROTEINASE 9 IN PATIENTS WITH COVID-19- ASSOCIATED LUNG DISEASE</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>Караченова</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Karachenova</surname><given-names>А. М.</given-names></name></name-alternatives><bio xml:lang="ru"><p>672000, г. Чита, ул. Горького, 39 а</p></bio><bio xml:lang="en"><p>39a Gorky Str., Chita, 672000</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Романова</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Romanova</surname><given-names>Е. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>672000, г. Чита, ул. Горького, 39 а</p></bio><bio xml:lang="en"><p>39a Gorky Str., Chita, 672000</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Караченов</surname><given-names>Р. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Karachenov</surname><given-names>R. А.</given-names></name></name-alternatives><bio xml:lang="ru"><p>672000, г. Чита, ул. Ленина, 8</p></bio><bio xml:lang="en"><p>8 Lenin Str., Chita, 672000</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Читинская государственная медицинская академия» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Chita State Medical Academy</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ГУЗ «Городская клиническая больница № 1»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>City Clinical hospital No 1</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>17</day><month>05</month><year>2024</year></pub-date><volume>0</volume><issue>1</issue><fpage>41</fpage><lpage>52</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Караченова А.М., Романова Е.Н., Караченов Р.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Караченова А.М., Романова Е.Н., Караченов Р.А.</copyright-holder><copyright-holder xml:lang="en">Karachenova А.М., Romanova Е.N., Karachenov R.А.</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.zabmedvestnik.ru/jour/article/view/7">https://www.zabmedvestnik.ru/jour/article/view/7</self-uri><abstract><sec><title>Цель исследования</title><p>Цель исследования. Выявить взаимосвязь между сывороточным содержанием МMP-9 и полиморфизмом гена МMP-9 (A8202G) с тяжестью течения COVID-19-ассоциированного поражения легких.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В работе представлены результаты обследования 200 человек через 1 месяц после перенесенного COVID-ассоциированного поражения легких в период с 01 июня по 31 октября 2020 года. Пациенты разделены на группы по 50 человек в зависимости от степени поражения легких по результатам проведения компьютерной томографии: 1-я группа (КТ-1), 2-я группа (КТ-2), 3-я группа (КТ-3), 4-я группа (КТ-4). В структуре фоновой патологии были зарегистрированы следующие заболевания: артериальная гипертензия (АГ), ишемическая болезнь сердца (ИБС), ожирение, сахарный диабет 2 типа (СД 2 типа), хроническая болезнь почек (ХБП), ХОБЛ и бронхиальная астма. В группу контроля вошли 56 человек относительно здоровых лиц, не болевших коронавирусной инфекцией, медианна по возрасту составила 55,0 [51,1; 55,0]. Все группы были сопоставимы по возрасту и полу. В сыворотке крови исследовали содержание МMP-9. Также было проведено молекулярно-генетическое исследование генa МMP-9 (A8202G).</p></sec><sec><title>Результаты</title><p>Результаты. В результате проведенной работы было выявлено меньшее содержание МMP-9 в группе контроля, по сравнению с исследуемыми группами. А также выявлено более высокое содержание матриксной металлопротеиназы 9 у пациентов с более тяжелым COVID-19-ассоциированным поражением легких (КТ-4), в сравнении с менее тяжелыми пациентами (КТ-1).</p></sec><sec><title>Заключение</title><p>Заключение. Таким образом, учитывая полученные данные у пациентов после перенесенной коронавирусной инфекции с COVID-19-ассоциированным поражением легких, можно предположить, что повышенная концентрация МMP-9 является как одним из факторов, способствующих как поражению легких на фоне инфекции, так и фактором тяжелого течения данного осложнения.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>The aim of the research</title><p>The aim of the research. To identify the relationship between the serum content of MPP-9 and the polymorphism of the MPP-9 gene (A8202G) with the severity of the course of COVID-19-associated lung damage.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The paper presents the results of a survey of 200 people 1 month after suffering COVID-associated lung damage in the period from June 01 to October 31, 2020. The patients were divided into groups of 50 people depending on the degree of lung damage according to the results of computed tomography: 1st group (CT-1), 2nd group (CT-2), 3rd group (CT-3), 4th group (CT-4). The following diseases were registered in the structure of background pathology: arterial hypertension (AH), coronary heart disease (CHD), obesity, type 2 diabetes mellitus (type 2 diabetes), chronic kidney disease (CKD), COPD and bronchial asthma. The control group included 56 relatively healthy individuals who did not suffer from coronavirus infection, the median age was 55.0 [51.1; 55.0]. All groups were comparable in age and gender. The content of MMP-9 in the blood serum was studied. A molecular genetic study of the MMP-9 (A8202G) gene was also conducted.</p></sec><sec><title>Results</title><p>Results. As a result of the work, a lower content of MPP-9 was revealed in the control group compared to the study groups. A higher level of matrix metalloproteinase 9 was also revealed in patients with more severe COVID-19-associated lung damage (CT-4), compared to less severe patients (CT-1).</p></sec><sec><title>Conclusion</title><p>Conclusion. Thus, taking into account the data obtained in patients after coronavirus infection with COVID19-associated lung damage, it can be assumed that an increased concentration of MPP-9 is one of the factors contributing to both lung damage against the background of infection and a factor in the severe course of this complication.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>COVID-19-ассоциированное поражение легких</kwd><kwd>МMP-9</kwd><kwd>полиморфизм генa МMP-9 (A8202G)</kwd><kwd>цитокиновый шторм</kwd></kwd-group><kwd-group xml:lang="en"><kwd>COVID-19-associated lung damage</kwd><kwd>MMP-9</kwd><kwd>polymorphism of the MPP-9 gene (A8202G)</kwd><kwd>cytokine storm</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы заявляют об отсутствии спонсорской поддержки при проведении исследования.</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">Воробьева О.В., Ласточкин А.В. 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