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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">rpcardio</journal-id><journal-title-group><journal-title xml:lang="en">Rational Pharmacotherapy in Cardiology</journal-title><trans-title-group xml:lang="ru"><trans-title>Рациональная Фармакотерапия в Кардиологии</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1819-6446</issn><issn pub-type="epub">2225-3653</issn><publisher><publisher-name>«SILICEA-POLIGRAF» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20996/1819-6446-2023-2894</article-id><article-id custom-type="edn" pub-id-type="custom">GUZEKM</article-id><article-id custom-type="elpub" pub-id-type="custom">rpcardio-2894</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="en"><subject>ORIGINAL STUDIES</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group></article-categories><title-group><article-title>Plasma branched-chain amino acid concentrations in individuals without cardiovascular diseases versus patients diagnosed with hypertension and coronary artery disease</article-title><trans-title-group xml:lang="ru"><trans-title>Концентрации аминокислот с разветвленной цепью в плазме крови у лиц без сердечно-сосудистых заболеваний в сравнении с пациентами с гипертонической болезнью и ишемической болезнью сердца</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4778-7755</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кожевникова</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kozhevnikova</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мария Владимировна Кожевникова - кандидат медицинских наук, профессор кафедры Госпитальной терапии №1 Института Клинической медицины имени Н.В. Склифосовского.</p><p>Москва</p></bio><bio xml:lang="en"><p>Maria V. Kozhevnikova</p></bio><email xlink:type="simple">kozhevnikova-m@inbox.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2873-704X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коробкова</surname><given-names>Е. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Korobkova</surname><given-names>E. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Екатерина Олеговна Коробкова - кандидат медицинских наук, ассистент кафедры Госпитальной терапии №1 Института Клинической медицины имени Н.В. Склифосовского.</p><p>Москва</p></bio><bio xml:lang="en"><p>Ekaterina O. Korobkova</p></bio><email xlink:type="simple">eokor25@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5800-7713</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кривова</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Krivova</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анастасия Викторовна Кривова - аспирант кафедры Госпитальной терапии №1 Института Клинической медицины имени Н.В. Склифосовского.</p><p>Москва</p></bio><bio xml:lang="en"><p>Anastasia V. Krivova</p></bio><email xlink:type="simple">krivovanastya@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2416-6377</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кухаренко</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kukharenko</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алексей Владимирович Кухаренко - Младший научный сотрудник Лаборатории фармакокинетики и метаболомного анализа Института трансляционной медицины и биотехнологий.</p><p>Москва</p></bio><bio xml:lang="en"><p>Alexey V. Kukharenko</p></bio><email xlink:type="simple">doctoralexey@inbox.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7309-8913</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Москалева</surname><given-names>Н. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Moskaleva</surname><given-names>N. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наталья Евгеньевна Москалева - кандидат биологических наук, Ведущий научный сотрудник НЦМУ «Цифровой биодизайн и персонализированное здравоохранение».</p><p>Москва</p></bio><bio xml:lang="en"><p>Natalia E. Moskaleva</p></bio><email xlink:type="simple">moskaleva_n_e@staff.sechenov.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6554-3936</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шестакова</surname><given-names>К. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Shestakova</surname><given-names>K. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ксения Михайловна Шестакова - кандидат физических наук, старший научный сотрудник НЦМУ "Цифрового биодизайна и персонализированного здравоохранения".</p><p>Москва</p></bio><bio xml:lang="en"><p>Ksenia M. Shestakova</p></bio><email xlink:type="simple">shestakova_k_m@staff.sechenov.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8860-5853</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Месонжник</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mesonzhnik</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наталья Владимировна Месонжник - кандидат биологических наук, ведущий научный сотрудник НЦМУ "Цифрового биодизайна и персонализированного здравоохранения".</p><p>Москва</p></bio><bio xml:lang="en"><p>Natalia V. Mesonzhnik</p></bio><email xlink:type="simple">mesonzhnik_n_v@staff.sechenov.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2161-2140</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Агеев</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ageev</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Антон Александрович Агеев - ассистент кафедры Госпитальной терапии №1 Института Клинической медицины имени Н.В. Склифосовского.Москва</p></bio><bio xml:lang="en"><p>Anton A. Ageev</p></bio><email xlink:type="simple">antonageev1945@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6785-3751</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Болдин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Boldin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андрей Андреевич Болдин</p><p>Москва</p></bio><bio xml:lang="en"><p>Andrey A. Boldin</p></bio><email xlink:type="simple">volkovagtk@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6212-8814</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Брито</surname><given-names>А.</given-names></name><name name-style="western" xml:lang="en"><surname>Brito</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алекс Брито - старший научный сотрудник Лаборатории фармакокинетики и метаболомного анализа Института трансляционной медицины и биотехнологий.</p><p>Москва</p></bio><bio xml:lang="en"><p>Alex Brito</p></bio><email xlink:type="simple">brito_o_a@staff.sechenov.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9032-1558</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Апполонова</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Appolonova</surname><given-names>S. А.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Светлана Александровна Апполонова - кандидит химических наук., Заведующая лабораторией фармакокинетики и метаболомного анализа Института трансляционной медицины и биотехнологий , Доцент кафедры фармакологии Института Фармации имени А.П.Нелюбина.</p><p>Москва</p></bio><bio xml:lang="en"><p>Svetlana A. Appolonova</p></bio><email xlink:type="simple">appolosa@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6675-7557</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Привалова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Privalova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Витальевна Привалова - Доцент, доктор медицинских наук, профессор Госпитальной терапии №1 Института Клинической медицины имени Н.В. Склифосовского.</p><p>Москва</p></bio><bio xml:lang="en"><p>Elena V. Privalova</p></bio><email xlink:type="simple">ev_privalova@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3014-6129</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Беленков</surname><given-names>Ю. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Belenkov</surname><given-names>Y. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юрий Никитич Беленков - Академик РАН, профессор, доктор медицинских наук, Заведующий кафедрой Госпитальной терапии №1 Института Клинической медицины имени Н.В. Склифосовского.</p><p>Москва</p></bio><bio xml:lang="en"><p>Yuri N. Belenkov</p></bio><email xlink:type="simple">belenkov_yu_n@staff.sechenov.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Первый Московский государственный медицинский университет им. И.М. Сеченова Минздрава России  (Сеченовский университет)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Sechenov Moscow State Medical University (Sechenov University)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>27</day><month>07</month><year>2023</year></pub-date><volume>19</volume><issue>3</issue><fpage>230</fpage><lpage>239</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Kozhevnikova M.V., Korobkova E.O., Krivova A.V., Kukharenko A.V., Moskaleva N.E., Shestakova K.M., Mesonzhnik N.V., Ageev A.A., Boldin A.A., Brito A., Appolonova S.А., Privalova E.V., Belenkov Y.N., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Кожевникова М.В., Коробкова Е.О., Кривова А.В., Кухаренко А.В., Москалева Н.Е., Шестакова К.М., Месонжник Н.В., Агеев А.А., Болдин А.А., Брито А., Апполонова С.А., Привалова Е.В., Беленков Ю.Н.</copyright-holder><copyright-holder xml:lang="en">Kozhevnikova M.V., Korobkova E.O., Krivova A.V., Kukharenko A.V., Moskaleva N.E., Shestakova K.M., Mesonzhnik N.V., Ageev A.A., Boldin A.A., Brito A., Appolonova S.А., Privalova E.V., Belenkov Y.N.</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.rpcardio.online/jour/article/view/2894">https://www.rpcardio.online/jour/article/view/2894</self-uri><abstract><sec><title>Aim</title><p>Aim. Branched-chain amino acids (BCAAs) have been postulated as potential indicators of cardiovascular risk. The objective of this study was to explore the relationship between plasma BCAAs and different stages of cardiovascular disorders.</p></sec><sec><title>Material and methods</title><p>Material and methods. In our cross-sectional study, plasma BCAAs (valine, leucine and isoleucine) in individuals without cardiovascular diseases (CVDs) (nonCVD group, total n=27, with n=16 healthy, but with metabolic disorders) were compared to patients diagnosed with CVDs [CVD group, total n=109, being n=61 hypertension (n=31 with signs of beginning of myocardial remodeling) and n=48 patients with coronary artery disease (CAD)].</p></sec><sec><title>Results</title><p>Results. The plasma concentration of BCAAs was significantly higher in the group of patients with cardiovascular disease compared with the healthy group (p&lt;0.05 for all amino acids tested): valine concentration was 238.7 [219.6; 267.0] μM in the non-CVD group and 261.2 [233.8; 298.7] μM in the CVD group; leucine concentration was 134.8 [122.4; 153.2] μM and 146.8 [129.0; 166.6] μM, respectively; and isoleucine 72.7 [65.3; 84.4] μM and 81.7 [68.0; 96.2] μM, respectively. Leucine and isoleucine concentration levels were minimal in the healthy participant subgroup and maximal in the IBS patient subgroup. No statistically significant differences in BCAAs concentrations were found in the subgroups without CAD. Significant increases in concentrations were observed in the subgroups of patients with CAD as follows: valine concentration was 256.3 [219.0; 297.9] μM in hypertension group and 261.7 [236.5; 307.5] μM in CAD group; leucine concentration was 141.8 [123.5; 166.6] μM and 154.1 [134.7; 172.7] μM, respectively, and isoleucine 72.8 [65.7; 94.0] μM and 85.7 [74.9; 101.7] μM, respectively. BCAAs profiles in all participants with metabolic disorders had “good” diagnostic accuracy with area under the receiver operating characteristics curve being 0.72, 0.70 and 0.70 for valine, leucine and isoleucine, respectively.</p></sec><sec><title>Conclusion</title><p>Conclusion. BCAAs concentrations are elevated with higher severity of the cardiovascular disorder and exhibit potential as early independent indicators of coronary artery disease.</p></sec></abstract><trans-abstract xml:lang="ru"><sec><title>Цель</title><p>Цель. Изучить взаимосвязь между содержанием аминокислот с разветвленной боковой цепью (branched-chain amino acids, ВСАА) в плазме крови на различных этапах сердечно-сосудистого континуума — от клинически здоровых лиц до пациентов, страдающих ишемической болезнью сердца (ИБС).</p></sec><sec><title>Материал и методы</title><p>Материал и методы. В исследовании проводилось определение концентраций ВСАА (валина, лейцина и изолейцина) у 136 участников, из которых 27 были без сердечно-сосудистых заболеваний (ССЗ), из них 16 имели метаболические нарушения — повышенный индекс массы тела или дислипидемию; и 109 пациентов с диагностированными ССЗ, которые включали в себя 61 пациента с гипертонической болезнью (ГБ), из которых у 31 участника были верифицированы начальные признаки ремоделирования миокарда, и 48 пациентов с ИБС. Аминокислоты плазмы крови измерялись с помощью жидкостной хроматографии с тандемной масс-спектрометрией.</p></sec><sec><title>Результаты</title><p>Результаты. Концентрация ВСАА в плазме была значимо выше в группе пациентов с ССЗ по сравнению со здоровыми лицами (p&lt;0,05 для всех исследуемых аминокислот): концентрация валина в группе без ССЗ составила 238,7 [219,6; 267,0] мкM, а в группе ССЗ — 261,2 [233,8; 298,7] мкM; концентрация лейцина была 134,8 [122,4; 153,2] мкM и 146,8 [129,0; 166,6] мкM, соответственно, а изолейцина 72,7 [65,3; 84,4] мкM и 81,7 [68,0; 96,2] мкM, соответственно. Концентрации лейцина и изолейцина были минимальными в подгруппе здоровых участников и максимальными в подгруппе пациентов с ИБС Статистически значимых различий в концентрации BCAA в подгруппах без ССЗ обнаружено не было. Значимое увеличение концентрации наблюдалось в подгруппах пациентов с ССЗ: концентрация валина в группе ГБ составила 256,3 [219,0; 297,9] мкM, а в группе ИБС — 261,7 [236,5; 307,5] мкM; концентрация лейцина была 141,8 [123,5; 166,6] мкM и 154,1 [134,7; 172,7] мкM, соответственно, а изолейцина 72,8 [65,7; 94,0] мкM и 85,7 [74,9; 101,7] мкM, соответственно. Профили исследуемых аминокислот всех участников с метаболическими нарушениями имели «хорошую» диагностическую точность: площадь под ROC-кривой составила 0,72, 0,70 и 0,70 для валина, лейцина и изолейцина, соответственно.</p></sec><sec><title>Заключение</title><p>Заключение. Концентрация ВСАА увеличивается на каждом из этапов сердечно-сосудистого континуума, а определение уровня циркулирующих ВСАА потенциально может быть рассмотрено в качестве маркера ИБС.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>сердечно-сосудистые заболевания</kwd><kwd>аминокислоты с разветвленной боковой цепью</kwd><kwd>аминокислоты</kwd><kwd>гипертоническая болезнь</kwd><kwd>ишемическая болезнь сердца</kwd><kwd>ВСАА</kwd><kwd>метаболиты</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cardiovascular disorders</kwd><kwd>branched-chain amino acids</kwd><kwd>amino acids</kwd><kwd>hypertension</kwd><kwd>coronary artery disease</kwd><kwd>metabolites</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование проведено при поддержке Первого МГМУ им. И. М. Сеченова (Сеченовский Университет)</funding-statement><funding-statement xml:lang="en">The study was performed with the support of the I. M. 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