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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Consilium Medicum</journal-id><journal-title-group><journal-title xml:lang="en">Consilium Medicum</journal-title><trans-title-group xml:lang="ru"><trans-title>Consilium Medicum</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title>Consilium Medicum</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2075-1753</issn><issn publication-format="electronic">2542-2170</issn><publisher><publisher-name xml:lang="en">Consilium Medicum</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">697278</article-id><article-id pub-id-type="doi">10.26442/20751753.2025.12.203516</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Association of the gut microbiome and metabolome with the dynamics of laboratory parameters in individuals with type 2 diabetes and obesity after bariatric surgery</article-title><trans-title-group xml:lang="ru"><trans-title>Связь кишечного микробиома и метаболома у лиц с сахарным диабетом 2-го типа и ожирением с динамикой лабораторных показателей после бариатрических вмешательств</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6612-6851</contrib-id><name-alternatives><name xml:lang="en"><surname>Shestakova</surname><given-names>Ekaterina A.</given-names></name><name xml:lang="ru"><surname>Шестакова</surname><given-names>Екатерина Алексеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>D. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>д-р мед. наук, гл. науч. сотр.</p></bio><email>katiashestakova@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9640-0102</contrib-id><name-alternatives><name xml:lang="en"><surname>Klimenko</surname><given-names>Natalia S.</given-names></name><name xml:lang="ru"><surname>Клименко</surname><given-names>Наталья Сергеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Biol.)</p></bio><bio xml:lang="ru"><p>канд. биол. наук, биоинформатик</p></bio><email>katiashestakova@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5268-430X</contrib-id><name-alternatives><name xml:lang="en"><surname>Pokrovskaya</surname><given-names>Elena V.</given-names></name><name xml:lang="ru"><surname>Покровская</surname><given-names>Елена Владиславовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Res. Officer</p></bio><bio xml:lang="ru"><p>науч. сотр.</p></bio><email>katiashestakova@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-7343-687X</contrib-id><name-alternatives><name xml:lang="en"><surname>Sineokaya</surname><given-names>Maria S.</given-names></name><name xml:lang="ru"><surname>Синеокая</surname><given-names>Мария Сергеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>канд. мед. наук, бариатрический хирург</p></bio><email>katiashestakova@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7389-0476</contrib-id><name-alternatives><name xml:lang="en"><surname>Koshechkin</surname><given-names>Stanislav I.</given-names></name><name xml:lang="ru"><surname>Кошечкин</surname><given-names>Станислав Игоревич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Biol.)</p></bio><bio xml:lang="ru"><p>канд. биол. наук, дир. по науке</p></bio><email>katiashestakova@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1897-4033</contrib-id><name-alternatives><name xml:lang="en"><surname>Odintsova</surname><given-names>Vera E.</given-names></name><name xml:lang="ru"><surname>Одинцова</surname><given-names>Вера Евгеньевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>chief bioinformatician</p></bio><bio xml:lang="ru"><p>рук. отд. биоинформатики</p></bio><email>katiashestakova@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5057-127X</contrib-id><name-alternatives><name xml:lang="en"><surname>Shestakova</surname><given-names>Marina V.</given-names></name><name xml:lang="ru"><surname>Шестакова</surname><given-names>Марина Владимировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>D. Sci. (Med.), Prof., Acad. RAS</p></bio><bio xml:lang="ru"><p>акад. РАН, д-р мед. наук, проф.</p></bio><email>katiashestakova@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Endocrinology Research Centre, Moscow</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр эндокринологии им. акад. И.И. Дедова» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Nobias Technologies LLC</institution></aff><aff><institution xml:lang="ru">ООО «Нобиас Технолоджис»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-12-30" publication-format="electronic"><day>30</day><month>12</month><year>2025</year></pub-date><volume>27</volume><issue>12</issue><issue-title xml:lang="en">Comorbidity in internal medicine</issue-title><issue-title xml:lang="ru">Коморбидность в клинике внутренних болезней</issue-title><fpage>762</fpage><lpage>770</lpage><history><date date-type="received" iso-8601-date="2025-12-02"><day>02</day><month>12</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2025-12-02"><day>02</day><month>12</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Shestakova E.A., Klimenko N.S., Pokrovskaya E.V., Sineokaya M.S., Koshechkin S.I., Odintsova V.E., Shestakova M.V. Consilium Medicum</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Шестакова Е.А., Клименко Н.С., Покровская Е.В., Синеокая М.С., Кошечкин С.И., Одинцова В.Е., Шестакова М.В. ООО "Консилиум Медикум"</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Shestakova E.A., Klimenko N.S., Pokrovskaya E.V., Sineokaya M.S., Koshechkin S.I., Odintsova V.E., Shestakova M.V. Consilium Medicum</copyright-holder><copyright-holder xml:lang="ru">Шестакова Е.А., Клименко Н.С., Покровская Е.В., Синеокая М.С., Кошечкин С.И., Одинцова В.Е., Шестакова М.В. ООО "Консилиум Медикум"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://consilium.orscience.ru/2075-1753/article/view/697278">https://consilium.orscience.ru/2075-1753/article/view/697278</self-uri><abstract xml:lang="en"><p><bold>Background. </bold>It is known that the gut microbial community has a significant impact on the health of the host organism. It has been shown that changes in the composition and metabolic potential of the microbiota occur in people with obesity and diabetes type 2 (T2D). However, the impact of the microbiota on metabolic changes after bariatric surgery remains unclear.</p> <p><bold>Aim.</bold> To assess the influence of the gut microbiome composition on metabolic parameters in patients with obesity and T2D after bariatric surgery.</p> <p><bold>Materials and methods. </bold>The study included patients with T2D and obesity, who were treated with bariatric surgery (gastric bypass). Before surgery, as well as 6 and 12 months after surgery, the anthropometric, laboratory parameters were measured, feces were collected for analysis of the intestinal microbiota. The microbiota composition was determined through sequencing of the 16S rRNA gene from stool samples. For a subset of patients, the stool metabolome was also studied.</p> <p><bold>Results. </bold>After surgery, there was a significant positive trend in weight loss, glycemia, lipid spectrum parameters, and insulin resistance. However, patients did not achieve target levels of 25(OH) vitamin D and calcium. Taxa were identified whose abundance before surgery was associated with the dynamics of parathyroid hormone and vitamin D. The order <italic>Verrucomicrobiales</italic> was negatively associated with vitamin D dynamics, while the order <italic>Fusobacteriales</italic>, which includes hydrogen sulfide producers in the gut, was positively associated with the increase in parathyroid hormone. Interestingly, these bacteria were also elevated in patients with higher total cholesterol levels prior to intervention, whereas other H<sub>2</sub>S producers in the gut correlated with C-peptide levels. No significant associations between the metabolome and clinical parameters' were found; however, the correlation structure of microbiome and metabolome data in patients with obesity was examined.</p> <p><bold>Conclusion. </bold>The study revealed an association between several intestinal microbiota species and metabolic parameters after bariatric interventions. These results are pilot and, if reproduced, may allow the prediction of the bariatric surgery effects on weight and glycemia based on the composition of the gut microbiota.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование. </bold>Известно, что кишечное микробное сообщество оказывает существенное влияние на здоровье организма хозяина. В частности, показано, что изменения в составе и метаболическом потенциале микробиоты имеют место при ожирении и сахарном диабете (СД). Однако открытым остается вопрос о влиянии микробиоты на изменение метаболических показателей после бариатрических операций.</p> <p><bold>Цель. </bold>Изучить влияние состава микробиома кишечника пациентов с ожирением и СД 2-го типа (СД 2) на динамику лабораторных показателей заболевания после бариатрической операции.</p> <p><bold>Материалы и методы. </bold>В исследование включались пациенты с СД 2 и ожирением ≥2-й степени, методом лечения которых выбрана бариатрическая операция (гастрошунтирование). До операции, а также через 6 и 12 мес у включенных пациентов исследованы антропометрические, лабораторные параметры, собран кал для исследования кишечной микробиоты. Состав микробиоты определен путем секвенирования гена 16S рРНК для образцов стула. Для ряда пациентов также исследован метаболом стула.</p> <p><bold>Результаты. </bold>После оперативного вмешательства наряду со снижением массы тела отмечались значимая положительная динамика гликемии, параметров липидного спектра, снижение инсулинорезистентности. По уровню 25(ОН) витамина D, кальция пациенты не достигали целевых значений. Найдены таксоны, представленность которых до операции ассоциирована с динамикой паратиреоидного гормона и 25(ОН) витамина D. Порядок<italic> Verrucomicrobiales</italic> отрицательно ассоциирован с положительной динамикой 25(ОН) витамина D, а порядок <italic>Fusobacteriales, </italic>включающий производителей сероводорода в кишечнике, – положительно с динамикой паратиреоидного гормона. Интересно, что данные бактерии также оказались повышены у пациентов с более высоким уровнем общего холестерина до вмешательства, а другие производители сероводорода в кишечнике – с уровнем С-пептида. Значимых ассоциаций между метаболомом и динамикой клинических показателей не получено, однако изучена корреляционная структура микробиомных и метаболомных данных у пациентов с ожирением.</p> <p><bold>Заключение. </bold>В исследовании выявлена ассоциация ряда представителей кишечной микробиоты и метаболических параметров после бариатрических вмешательств. Полученные результаты являются пилотными и при воспроизведении в будущем могут позволить прогнозировать эффекты хирургического лечения ожирения и СД 2 на основе состава микробиоты.</p></trans-abstract><kwd-group xml:lang="en"><kwd>type 2 diabetes</kwd><kwd>obesity</kwd><kwd>bariatric surgery</kwd><kwd>gut microbiota</kwd><kwd>metabolome</kwd><kwd>25(OH) vitamin D</kwd><kwd>parathyroid hormone</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>сахарный диабет 2-го типа</kwd><kwd>ожирение</kwd><kwd>бариатрические операции</kwd><kwd>кишечная микробиота</kwd><kwd>метаболом</kwd><kwd>25(ОН) витамин D</kwd><kwd>паратиреоидный гормон</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Министерство здравоохранения Российской Федерации</institution></institution-wrap><institution-wrap><institution xml:lang="en">Ministry of Health of the Russian Federation</institution></institution-wrap></funding-source><award-id>123021300168-7</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Алгоритмы специализированной медицинской помощи больным сахарным диабетом. 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