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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">Terapevticheskii arkhiv</journal-id><journal-title-group><journal-title xml:lang="en">Terapevticheskii arkhiv</journal-title><trans-title-group xml:lang="ru"><trans-title>Терапевтический архив</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0040-3660</issn><issn publication-format="electronic">2309-5342</issn><publisher><publisher-name xml:lang="en">LLC Obyedinennaya Redaktsiya</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">634682</article-id><article-id pub-id-type="doi">10.26442/00403660.2024.12.203005</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные 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">Endothelial dysfunction in patients with systemic AL amyloidosis</article-title><trans-title-group xml:lang="ru"><trans-title>Эндотелиальная дисфункция у пациентов с системным AL-амилоидозом</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1008-5007</contrib-id><name-alternatives><name xml:lang="en"><surname>Khyshova</surname><given-names>Viktoria A.</given-names></name><name xml:lang="ru"><surname>Хышова</surname><given-names>Виктория А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>врач-гематолог</p></bio><email>viktoria2102@icloud.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5440-4340</contrib-id><name-alternatives><name xml:lang="en"><surname>Rekhtina</surname><given-names>Irina G.</given-names></name><name xml:lang="ru"><surname>Рехтина</surname><given-names>Ирина Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>д-р мед. наук, зав. отд-нием</p></bio><email>viktoria2102@icloud.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7074-0926</contrib-id><name-alternatives><name xml:lang="en"><surname>Zozulya</surname><given-names>Nadezhda I.</given-names></name><name xml:lang="ru"><surname>Зозуля</surname><given-names>Надежда И.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р мед. наук, зав. отд.</p></bio><email>viktoria2102@icloud.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9877-0796</contrib-id><name-alternatives><name xml:lang="en"><surname>Dvirnyk</surname><given-names>Valentina N.</given-names></name><name xml:lang="ru"><surname>Двирнык</surname><given-names>Валентина Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>viktoria2102@icloud.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4966-8146</contrib-id><name-alternatives><name xml:lang="en"><surname>Mendeleeva</surname><given-names>Larisa P.</given-names></name><name xml:lang="ru"><surname>Менделеева</surname><given-names>Лариса П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>д-р мед. наук, проф., рук.</p></bio><email>viktoria2102@icloud.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">National Medical Research Center for Hematology</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр гематологии» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-12-27" publication-format="electronic"><day>27</day><month>12</month><year>2024</year></pub-date><volume>96</volume><issue>12</issue><issue-title xml:lang="en">Vario (various)</issue-title><issue-title xml:lang="ru">Vario (разное)</issue-title><fpage>1144</fpage><lpage>1150</lpage><history><date date-type="received" iso-8601-date="2024-07-29"><day>29</day><month>07</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-07-29"><day>29</day><month>07</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Consilium Medicum</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, ООО "Консилиум Медикум"</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Consilium Medicum</copyright-holder><copyright-holder xml:lang="ru">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://ter-arkhiv.ru/0040-3660/article/view/634682">https://ter-arkhiv.ru/0040-3660/article/view/634682</self-uri><abstract xml:lang="en"><p> </p> <p><bold>Background. </bold>Research related to the state of blood vessels in systemic AL amyloidosis (AL-A) is mostly done on experimental models. The pathogenetic and clinical significance of vascular dysfunction in patients with AL-A is poorly understood.</p> <p><bold>Aim.</bold> To study the levels of endothelial dysfunction markers in patients with AL-A at the onset of the disease and after anti-tumor therapy.</p> <p><bold>Materials and methods.</bold> The study group included 30 patients with AL-A. The comparison group consisted of 10 patients with multiple myeloma (MM), and the control group included 10 healthy individuals. Patients with AL-A were divided into 2 groups: the first group included 20 patients who underwent the full planned induction therapy, and the second group included 10 patients whose treatment was stopped due to a significant increase in N-terminal pro-brain natriuretic peptide (NTproBNP) levels. The levels of asymmetric dimethylarginine (ADMA), big endothelin (bET), and E-selectin were measured by enzyme-linked immunosorbent assay in serum before and after completion (or premature cessation) of anti-tumor therapy.</p> <p><bold>Results. </bold>Patients with AL-A had significantly higher levels of E-selectin and ADMA in serum compared to patients with MM and healthy individuals. An increase in at least one marker of endothelial dysfunction (E-selectin and ADMA) was observed in 27 (90%) patients with AL-A at disease onset. There were no differences in bET levels. In all patients in the first group, reaching hematologic remission was associated with a decrease in E-selectin and ADMA levels compared to baseline values (<italic>p</italic>&lt;0.001). In 5 (55%) out of 9 patients with hematologic and organ response, ADMA levels decreased to normal values. In all patients of the second group, the increase in NTproBNP was accompanied by a significant increase in ADMA (<italic>p</italic>=0.005) and E-selectin (<italic>p</italic>=0.007) levels compared to baseline values. Adverse cardiovascular events were observed in 80% of patients with elevated NTproBNP levels. The increase in cardiac markers during anti-tumor therapy was more common in advanced stages of heart involvement. Stage IIIA AL-A was present in 23% of patients in the first group and 70% in the second group (<italic>p</italic>=0.003). After discontinuation of therapy, the levels of cardiac markers decreased to baseline values, which ruled out disease progression.</p> <p><bold>Conclusion. </bold>A pronounced endothelial dysfunction was observed in 90% of patients with AL-A. Reduction in endothelial dysfunction markers was observed upon achieving hematologic and organ response. Anti-tumor therapy in patients with amyloid cardiomyopathy can cause additional endothelial damage, resulting in increased NTproBNP levels and cardiovascular complications.</p></abstract><trans-abstract xml:lang="ru"><p>Исследования, касающиеся состояния сосудов при системном AL-амилоидозе (AL-A), в основном выполнены на экспериментальных моделях. У пациентов с AL-A патогенетическое и клиническое значение сосудистой дисфункции мало изучено.</p> <p><bold>Цель. </bold>Изучить содержание маркеров эндотелиальной дисфункции (ЭД) у пациентов с AL-А в дебюте заболевания и после противоопухолевой терапии.</p> <p><bold>Материалы и методы. </bold>В группу исследования вошли 30 пациентов с AL-А. Группу сравнения составили 10 пациентов с множественной миеломой (ММ), группу контроля – 10 здоровых лиц. Пациенты с AL-А разделены на 2 группы: в 1-ю группу вошли 20 пациентов, которым проведен полный объем запланированной индукционной терапии. Во 2-ю группу включены 10 больных, у которых в процессе лечения наблюдали значительное повышение содержания мозгового натрийуретического пептида (NTproBNP), что послужило причиной для прекращения терапии. Методом иммуноферментного анализа в сыворотке определяли содержание асимметричного диметиларгинина (АДМА), большого эндотелина (бЭТ) и Е-селектина до начала противоопухолевого лечения и после его окончания (или досрочного прекращения).</p> <p><bold>Результаты. </bold>У больных AL-А содержание в сыворотке Е-селектина и АДМА оказалось статистически значимо выше, чем у больных с ММ и здоровых лиц. Повышение хотя бы одного маркера ЭД (Е-селектина и АДМА) в дебюте заболевания наблюдали у 27 (90%) пациентов с AL-A. Различий в содержании бЭТ не получено. У всех больных 1-й группы при достижении гематологической ремиссии отмечали снижение содержания как Е-селектина, так и АДМА по сравнению с исходными значениями (<italic>p</italic>&lt;0,001). У 5 (55%) из 9 больных с гематологическим и органным ответом концентрация АДМА снизилась до нормальных значений. У всех пациентов из 2-й группы нарастание NТproBNP сопровождалось значимым повышением содержания АДМА (<italic>p</italic>=0,005) и E-селектина (<italic>p</italic>=0,007) по сравнению с исходными значениями. У 80% пациентов с повышением NТproBNP наблюдали неблагоприятные сердечно-сосудистые события. Увеличение кардиомаркеров в процессе противоопухолевой терапии чаще наблюдали при более продвинутых стадиях поражения сердца. В 1-й группе IIIA-стадия AL-A встречалась у 23% больных, во 2-й группе – у 70% пациентов (<italic>p</italic>=0,003). После отмены терапии содержание кардиомаркеров снижалось до исходных значений, что исключало прогрессию AL-A.</p> <p><bold>Заключение. </bold>У 90% пациентов с AL-А выявлена выраженная ЭД. При достижении гематологического и органного ответа наблюдали снижение содержания маркеров ЭД. Противоопухолевая терапия у пациентов с амилоидной кардиомиопатией может вызывать дополнительное повреждение эндотелия, что сопряжено с нарастанием NTproBNP и сердечно-сосудистыми осложнениями.</p></trans-abstract><kwd-group xml:lang="en"><kwd>AL amyloidosis</kwd><kwd>endothelial dysfunction</kwd><kwd>cardiotoxicity</kwd><kwd>angiotoxicicity</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>AL-амилоидоз</kwd><kwd>эндотелиальная дисфункция</kwd><kwd>кардиотоксичность</kwd><kwd>ангиотоксичность</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Гудкова А.Я., Лапекин С.В., Бежанишвили Т.Г., и др. AL-амилоидоз с преимущественным поражением сердца. Алгоритм неинвазивной диагностики амилоидной кардиомиопатии. Терапевтический архив. 2021;93(4):487-96 [Gudkova AYa, Lapekin SV, Bezhanishvili TG, et al. AL-amyloidosis with cardiac involvement. Diagnostic capabilities of non-invasive methods. 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