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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">rmt</journal-id><journal-title-group><journal-title xml:lang="ru">Общая реаниматология</journal-title><trans-title-group xml:lang="en"><trans-title>General Reanimatology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1813-9779</issn><issn pub-type="epub">2411-7110</issn><publisher><publisher-name>FSBI "SRIGR" RAMS</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15360/1813-9779-2023-6-4-12</article-id><article-id custom-type="elpub" pub-id-type="custom">rmt-2403</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>КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Сепсис-ассоциированные метаболиты и их биотрансформация кишечной микробиотой</article-title><trans-title-group xml:lang="en"><trans-title>Sepsis-Associated Metabolites and Their Biotransformation by Intestinal Microbiota</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>Черневская</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernevskaya</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Екатерина Александровна Черневская</p><p>107031, г. Москва, ул. Петровка, д. 25, стр. 2</p></bio><bio xml:lang="en"><p>Ekaterina A. Chernevskaya</p><p>25 Petrovka Str., Bldg. 2, 107031 Moscow</p></bio><email xlink:type="simple">chea05@inbox.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>Гецина</surname><given-names>М. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Getsina</surname><given-names>M. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>107031, г. Москва, ул. Петровка, д. 25, стр. 2</p></bio><bio xml:lang="en"><p>Mariya L. Getsina</p><p>25 Petrovka Str., Bldg. 2, 107031 Moscow</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>Черпаков</surname><given-names>Р. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Cherpakov</surname><given-names>R. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>107031, г. Москва, ул. Петровка, д. 25, стр. 2</p><p>129090, г. Москва, Большая Сухаревская пл., д. 3, стр. 1</p></bio><bio xml:lang="en"><p>Rostislav A. Cherpakov</p><p>25 Petrovka Str., Bldg. 2, 107031 Moscow</p><p>3 Bolshaya Sukharevskaya Square, Bldg. 1, 129090 Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сорокина</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sorokina</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>107031, г. Москва, ул. Петровка, д. 25, стр. 2</p></bio><bio xml:lang="en"><p>Ekaterina A. Sorokina</p><p>25 Petrovka Str., Bldg. 2, 107031 Moscow</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>Шабанов</surname><given-names>А. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Shabanov</surname><given-names>A. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>107031, г. Москва, ул. Петровка, д. 25, стр. 2</p><p>129090, г. Москва, Большая Сухаревская пл., д. 3, стр. 1</p></bio><bio xml:lang="en"><p>Aslan K. Shabanov</p><p>25 Petrovka Str., Bldg. 2, 107031 Moscow</p><p>3 Bolshaya Sukharevskaya Square, Bldg. 1, 129090 Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мороз</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Moroz</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>107031, г. Москва, ул. Петровка, д. 25, стр. 2</p></bio><bio xml:lang="en"><p>Victor V. Moroz</p><p>25 Petrovka Str., Bldg. 2, 107031 Moscow</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>Белобородова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Beloborodova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>107031, г. Москва, ул. Петровка, д. 25, стр. 2</p></bio><bio xml:lang="en"><p>Natalia V. Beloborodova</p><p>25 Petrovka Str., Bldg. 2, 107031 Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>НИИ общей реаниматологии им. В. А. Неговского Федерального научно-клинического центра реаниматологии и реабилитологии</institution><country>Россия</country></aff><aff xml:lang="en"><institution>V. A. Negovsky Research Institute of General Reanimatology, Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>НИИ общей реаниматологии им. В. А. Неговского Федерального научно-клинического центра реаниматологии и реабилитологии; НИИ скорой помощи им. Н. В. Склифосовского Департамента здравоохранения г. Москвы</institution><country>Россия</country></aff><aff xml:lang="en"><institution>V. A. Negovsky Research Institute of General Reanimatology, Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology; N. V. Sklifosovsky Research Institute of Emergency Medicine, Moscow City Health Department</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>21</day><month>12</month><year>2023</year></pub-date><volume>19</volume><issue>6</issue><fpage>4</fpage><lpage>12</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Черневская Е.А., Гецина М.Л., Черпаков Р.А., Сорокина Е.А., Шабанов А.К., Мороз В.В., Белобородова Н.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Черневская Е.А., Гецина М.Л., Черпаков Р.А., Сорокина Е.А., Шабанов А.К., Мороз В.В., Белобородова Н.В.</copyright-holder><copyright-holder xml:lang="en">Chernevskaya E.A., Getsina M.L., Cherpakov R.A., Sorokina E.A., Shabanov A.K., Moroz V.V., Beloborodova N.V.</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.reanimatology.com/rmt/article/view/2403">https://www.reanimatology.com/rmt/article/view/2403</self-uri><abstract><p>Высокое содержание сепсис-ассоциированных ароматических микробных метаболитов (АММ) служит прогностически неблагоприятным фактором, свидетельствует о прогрессировании полиорганной дисфункции и повышенном риске летального исхода у пациентов с сепсисом и септическим шоком. В данном исследовании проверили рабочую гипотезу, согласно которой причиной избытка сепсис-ассоциированных АММ в организме септического пациента является нарушение метаболизма (дисфункция) кишечной микробиоты.</p><sec><title>Цель работы</title><p>Цель работы. Cравнить способность нормобиоты и патобиоты подвергать биотрансформации сепсис-ассоциированные метаболиты ароматических аминокислот тирозина и фенилаланина на примере фенилмолочной кислоты (ФМК) и 4-гидроксифенилмолочной кислоты (4-ГФМК).</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Образцы кишечного содержимого пациентов с септическим шоком (n=10, патобиота) и здоровых добровольцев (n=9, нормобиота) помещали в пробирки с универсальной тиогликолевой средой. В модельном эксперименте in vitro имитировали избыточное поступление сепсис-ассоциированных АММ в кишечник (например, из крови или очагов воспаления), добавляя ФМК или 4-ГФМК в клинически значимых концентрациях (по 25 мкМ) в пробирки с патобиотой и нормобиотой. После инкубации в термостате (37°C, 24 ч) сравнивали изменение концентраций АММ в образцах с патобиотой и нормобиотой. Для измерения концентрации метаболитов использовали ГХ-МС анализ.</p></sec><sec><title>Результаты</title><p>Результаты. Спустя 24 ч после добавления 4-ГФМК или ФМК к нормобиоте регистрировали снижение концентрации этих метаболитов по сравнению с контролем. Добавление ФМК и 4-ГФМК к патобиоте, напротив, не приводило к снижению концентрации этих кислот спустя 24 ч. Концентрации ФМК (p=0,002) и 4-ГФМК (p0,001) были статистически значимо выше в образцах патобиоты по сравнению с нормобиотой.</p></sec><sec><title>Заключение</title><p>Заключение. Экспериментальным путем доказали, что при избыточной нагрузке сепсис-ассоциированными метаболитами (ФМК, 4-ГФМК) микробиота здоровых людей способна к их биотрансформации до конечных продуктов микробного метаболизма, в то время как у патобиоты септических пациентов эта функция утрачена. Тем самым подтверждается значимость дисфункции микробиоты в патогенезе сепсиса.</p></sec></abstract><trans-abstract xml:lang="en"><p>High concentration of sepsis-associated aromatic microbial metabolites (AMM) stands as a prognostically unfavorable factor, indicating the progression of multiple organ dysfunction and an increased risk of death in patients with sepsis and septic shock. This study is based on a hypothesis that excess of sepsis-associated AMM in patients with sepsis is caused by metabolic alterations (dysfunction) in the intestinal microbiota.</p><p>The aim of this study was to compare the potential of normobiota and pathobiota to bio-transform sepsis-associated metabolites of aromatic amino acids tyrosine and phenylalanine, such as phenyllactic acid(PhLA) and 4-hydroxyphenyllactic acid (4-HPhLA).</p><sec><title>Materials and methods</title><p>Materials and methods. Samples of intestinal contents of patients with septic shock (N=10, pathobiota) and healthy volunteers (N=9, normobiota) were placed in test tubes with the omnipurpose thioglycol medium. The clinical model of excessive inflow of sepsis-associated AMM into the intestine (for example, from blood or sites of inflammation) was reproduced in the in vitro experiment by adding PhLA or 4-HPhLA in clinically significant concentrations (25 mkM) into each test tube with pathobiota and normobiota. After incubation in a thermostat (37°, 24 hours), AMМ concentrations were measured in the samples with pathobiota and normobiota using GC-MS analysis.</p></sec><sec><title>Results</title><p>Results. Concentration of AMM decreased within 24 hours in the tubes with normobiota after PhLA or 4-HPhLA were added. In the tubes with pathobiota, no decrease in AMM concentrations was documented after loading with PhLA or 4-HPhLA. Concentrations of PhLA (P=0.002) and 4-HPhLA (P0.001) were statistically significantly higher in pathobiota samples compared to normobiota.</p></sec><sec><title>Conclusion</title><p>Conclusion. The in vitro experiment demonstrates that after excessive load with sepsis-associated metabolites (PhLA, 4-HPhLA), the microbiota of healthy people is capable to bio-transform such metabolites to the end products of microbial metabolism, while pathobiota of septic patients exhibits altered biotransformational potential. This data demonstrate that microbiota dysfunction may contribute to the pathogenesis of sepsis.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>сепсис</kwd><kwd>патобиота</kwd><kwd>ароматические микробные метаболиты</kwd><kwd>фенилмолочная кислота</kwd><kwd>4-гидроксифенилмолочная кислота</kwd><kwd>фенилпропионовая кислота</kwd><kwd>микробиота</kwd><kwd>биомаркеры</kwd></kwd-group><kwd-group xml:lang="en"><kwd>sepsis</kwd><kwd>pathobiota</kwd><kwd>aromatic microbial metabolites</kwd><kwd>phenyllactic acid</kwd><kwd>4-hydroxyphenyllactic acid</kwd><kwd>phenylpropionic acid</kwd><kwd>microbiota</kwd><kwd>biomarkers</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">Evans L., Rhodes A., Alhazzani W., Antonelli M., Coopersmith C.M., French C., Machado F.R., et al. Surviving sepsis campaign: international guidelines for management of sepsis and septic shock 2021. 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