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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">problendo</journal-id><journal-title-group><journal-title xml:lang="ru">Проблемы Эндокринологии</journal-title><trans-title-group xml:lang="en"><trans-title>Problems of Endocrinology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0375-9660</issn><issn pub-type="epub">2308-1430</issn><publisher><publisher-name>Endocrinology Research Centre</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14341/probl9710</article-id><article-id custom-type="elpub" pub-id-type="custom">problendo-9710</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 Studies</subject></subj-group></article-categories><title-group><article-title>Влияние интравитреального введения ингибитора ангиогенеза на концентрацию ангиотензин-превращающего фермента в крови и слезной жидкости у больных с диабетическим макулярным отеком (пилотное исследование)</article-title><trans-title-group xml:lang="en"><trans-title>The effect of intravitreally administered angiogenesis inhibitor on the concentration of angiotensin-converting enzyme in the blood serum and lacrimal fluid in patients with diabetic macular edema</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8480-0894</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нероев</surname><given-names>Владимир Владимирович</given-names></name><name name-style="western" xml:lang="en"><surname>Neroev</surname><given-names>Vladimir V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н., профессор, член-корр. РАН</p></bio><bio xml:lang="en"><p>MD, PhD, Professor</p></bio><email xlink:type="simple">sekr@igb.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/0000-0002-7856-8005</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чеснокова</surname><given-names>Наталья Борисовна</given-names></name><name name-style="western" xml:lang="en"><surname>Chesnokova</surname><given-names>Natalia B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.б.н., профессор</p></bio><bio xml:lang="en"><p>MD, PhD, Professor</p></bio><email xlink:type="simple">nchesnokova2012@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/0000-0003-1121-4314</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Охоцимская</surname><given-names>Татьяна Дмитриевна</given-names></name><name name-style="western" xml:lang="en"><surname>Okhotsimskaya</surname><given-names>Tatiana D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н.</p></bio><bio xml:lang="en"><p>MD, PhD</p></bio><email xlink:type="simple">tata123@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/0000-0001-7961-8695</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рябина</surname><given-names>Марина Владимировна</given-names></name><name name-style="western" xml:lang="en"><surname>Ryabina</surname><given-names>Marina V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н.</p></bio><bio xml:lang="en"><p>MD, PhD</p></bio><email xlink:type="simple">mryabina@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/0000-0003-4460-2620</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фадеева</surname><given-names>Виктория Анатольевна</given-names></name><name name-style="western" xml:lang="en"><surname>Fadeeva</surname><given-names>Victoria. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант </p></bio><bio xml:lang="en"><p>MD</p></bio><email xlink:type="simple">vika.fadeeva.90@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/0000-0001-8032-4248</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Павленко</surname><given-names>Татьяна Аркадьевна</given-names></name><name name-style="western" xml:lang="en"><surname>Pavlenko</surname><given-names>Tatiana А.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н.</p></bio><bio xml:lang="en"><p>MD, PhD</p></bio><email xlink:type="simple">tanya1975_@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/0000-0001-7557-4955</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Безнос</surname><given-names>Ольга Валерьевна</given-names></name><name name-style="western" xml:lang="en"><surname>Beznos</surname><given-names>Olga V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>научный сотрудник отдела патофизиологии и биохимии</p></bio><bio xml:lang="en"><p>MD</p></bio><email xlink:type="simple">olval2011@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>&lt;p&gt;ФГБУ &amp;laquo;Национальный медицинский исследовательский центр глазных болезней им. Гельмгольца&amp;raquo; Минздрава России&lt;/p&gt;</institution><country>Россия</country></aff><aff xml:lang="en"><institution>&lt;p&gt;Moscow Helmholtz Research Institute of Eye Diseases&lt;/p&gt;</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2019</year></pub-date><volume>65</volume><issue>2</issue><fpage>72</fpage><lpage>78</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Нероев В.В., Чеснокова Н.Б., Охоцимская Т.Д., Рябина М.В., Фадеева В.А., Павленко Т.А., Безнос О.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Нероев В.В., Чеснокова Н.Б., Охоцимская Т.Д., Рябина М.В., Фадеева В.А., Павленко Т.А., Безнос О.В.</copyright-holder><copyright-holder xml:lang="en">Neroev V.V., Chesnokova N.B., Okhotsimskaya T.D., Ryabina M.V., Fadeeva V.A., Pavlenko T.А., Beznos O.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.probl-endojournals.ru/jour/article/view/9710">https://www.probl-endojournals.ru/jour/article/view/9710</self-uri><abstract><sec><title>Обоснование</title><p>Обоснование. Диабетическая ретинопатия (ДР) является одним из наиболее грозных осложнений сахарного диабета (СД), основной причиной слепоты среди лиц трудоспособного возраста. В последние годы появились данные о возможной роли ренин-ангиотензиновой системы (РАС) в патогенезе ДР и ее взаимосвязи с системой проангиогенных факторов.</p></sec><sec><title>Цель</title><p>Цель. Изучить влияние антиангиогенной терапии при диабетическом макулярном отеке (ДМО) на системное и локальное содержание ангиотензин-превращающего фермента (АПФ) – ключевого компонента РАС.</p></sec><sec><title>Методы</title><p>Методы. Концентрации АПФ в слезной жидкости (СЖ) обоих глаз и сыворотке крови (СК) определяли до и после интравитреального введения (ИВВ) ранибизумаба у пациентов с ДМО ( 10 пациентов, 20 глаз). Группа сравнения – 7 пациентов (14 глаз) с возрастной макулярной дегенерацией (ВМД). Группа контроля – 10 здоровых лиц (20 глаз). Группы были сопоставимы по полу и возрасту. Концентрацию АПФ определяли иммуноферментным методом. Исследования проводили в основной группе – до, через 1, 2 нед и через 1 мес после ИВВ, в группе сравнения – до и через 1 нед после ИВВ.</p></sec><sec><title>Результаты</title><p>Результаты. У пациентов с ДМО исходно отмечалось повышение концентрации АПФ в СЖ обоих глаз в 1,8 раза. После ИВВ концентрация АПФ в СЖ снижалась уже через 1 нед после инъекции, достигая контрольных значений через 2 нед и 1 мес после ИВВ. Концентрация АПФ в СК у пациентов с ДМО исходно была в 2,2 раза ниже контрольных значений. На протяжении исследования отмечалось повышение концентрации АПФ в СК, однако к концу наблюдения показатели продолжали оставаться существенно ниже контрольных значений. У пациентов с ВМД исходно уровень АПФ в СЖ повышен не был; через 1 нед после ИВВ концентрация АПФ в СЖ снижалась в 1,4 раза. Концентрация АПФ в СК исходно была на 25% ниже контрольных значений, после ИВВ ранибизумаба практически не менялась.</p></sec><sec><title>Заключение</title><p>Заключение. Выявленные изменения концентрации АПФ у больных с ДМО могут обсуждаться в качестве дополнительного прогностического критерия развития ДМО у больных с ДР. Изменения концентрации АПФ у пациентов с ДМО на фоне антиангиогенной терапии свидетельствуют о взаимном влиянии РАС и ангиогенной системы. Аналогичные изменения, полученные после ИВВ ранибизумаба при ВМД, подтверждают взаимовлияние этих двух систем. Представленные данные открывают перспективы для поиска новых путей патогенетически обоснованной терапии ДМО и ДР.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>BACKGROUND</title><p>BACKGROUND: Diabetic retinopathy (DR) is one of the more serious complications of diabetes and the main cause of blindness among working-age individuals. In recent years, information has emerged on the possible role of the renin-angiotensin system (RAS) in the pathogenesis of DR, and DR’s possible connection with the system of pro-angiogenic factors.</p></sec><sec><title>AIM</title><p>AIM: To study the impact of anti-angiogenic therapy on systemic and local concentrations of angiotensin-converting enzyme (ACE), a key component of RAS, for patients with diabetic macular edema (DME).</p></sec><sec><title>MATERIAL AND METHODS</title><p>MATERIAL AND METHODS: The concentration of ACE in the lacrimal fluid and blood serum in 10 patients (20 eyes) with DME was determined before and after intravitreal injection (IVI) of ranibizumab. The comparison group consisted of 7 patients (14 eyes) with age-related macular degeneration (AMD). The control group consisted of 10 healthy individuals (20 eyes). All groups were comparable in age and sex. The concentration of ACE was determined by enzyme immunoassay. The main group was examined four times: before IVI of ranibizumab, and then one week, two weeks and one month after IVI of ranibizumab. The comparison group was examined before, and then one week after, IVI of ranibizumab.</p></sec><sec><title>RESULTS</title><p>RESULTS: In patients with DME, there was an initial 1.8-fold increase in the concentration of ACE in the lacrimal fluid of both eyes. A week after IVI of ranibizumab, the concentration of ACE in the lacrimal fluid began to decrease, reaching the control level after two weeks, and remaining there one month after IVI of ranibizumab. Initially, the concentration of ACE in the blood serum in patients with DME was 2.2 times lower than the control level. After IVI of ranibizumab there was an increase in the concentration of ACE in the blood serum, but by the end of the observation, the indicators continued to remain well below the control level. In patients with AMD, the initial concentration of ACE in the lacrimal fluids was not elevated; the concentration of ACE in the lacrimal fluids decreased 1.4 times one week after IVI of ranibizumab. The concentration of ACE in the blood serum of the patients with AMD was initially 25% lower than the control level, and essentially did not change after IVI of ranibizumab.</p></sec><sec><title>СONCLUSIONS</title><p>СONCLUSIONS: Changes in the concentration of ACE in patients with DME may be a new prognostic criterion for the development of DME for patients with diabetes. These changes in the concentration of ACE, in the context of antiangiogenic therapy, indicate an interaction between the renin-angiotensin and angiogenic systems. Similar changes that were observed after IVI of ranibizumab in patients with AMD confirm the mutual influence of these two systems.</p><p>The data presented in this study open up prospects for finding new pathways of pathogenic therapy for diabetic macular edema and diabetes.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>диабетическая ретинопатия</kwd><kwd>диабетический макулярный отек</kwd><kwd>ренин-ангиотензиновая система</kwd><kwd>ангиотензин-превращающий фермент</kwd><kwd>АПФ</kwd><kwd>ранибизумаб</kwd><kwd>антиангиогенная терапия</kwd><kwd>ингибиторы ангиогенеза</kwd></kwd-group><kwd-group xml:lang="en"><kwd>diabetic retinopathy</kwd><kwd>diabetic macular edema</kwd><kwd>renin-angiotensin system</kwd><kwd>angiotensin-converting enzyme</kwd><kwd>ACE</kwd><kwd>ranibizumab</kwd><kwd>anti-angiogenic therapy</kwd><kwd>angiogenesis inhibitors</kwd><kwd>VEGF</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">International Diabetes Federation. 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