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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">actabiomedica</journal-id><journal-title-group><journal-title xml:lang="ru">Acta Biomedica Scientifica</journal-title><trans-title-group xml:lang="en"><trans-title>Acta Biomedica Scientifica</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2541-9420</issn><issn pub-type="epub">2587-9596</issn><publisher><publisher-name>Scientific Centre for Family Health and Human Reproduction Problems</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29413/ABS.2021-6.3.14</article-id><article-id custom-type="elpub" pub-id-type="custom">actabiomedica-2857</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>ОФТАЛЬМОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>OPHTHALMOLOGY</subject></subj-group></article-categories><title-group><article-title>Уровень мелатонина как фактор риска развития возрастной макулярной дегенерации</article-title><trans-title-group xml:lang="en"><trans-title>Melatonin level as a risk factor for age-related macular degeneration</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7614-628X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ходжаев</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Khodzhaev</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д. м. н., профессор, заместитель генерального директора по организационной работе и инновационному развитию</p><p>127486, г. Москва, Бескудниковский б-р, 59А, Россия</p></bio><bio xml:lang="en"><p> Doct. Sc. (Med), Professor, Deputy General Director for Organizational Work and Innovative Development </p><p>127486, Beskudnikovskiy b-r 59A, Moscow, Russia </p></bio><email xlink:type="simple">filialcentr@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/0000-0001-7011-4220</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чупров</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Chuprov</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д. м. н., профессор, директор Оренбургского филиала </p><p>460047, г. Оренбург, ул. Салмышская, 17, Россия</p></bio><bio xml:lang="en"><p> Doct. Sc. (Med), Professor, Director </p><p>460047, Salmyshskaya str. 17, Orenburg, Russia </p></bio><email xlink:type="simple">office@mail.ofmntk.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2010-546X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ким</surname><given-names>С. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kim</surname><given-names>S. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>заведующая офтальмологическим отделением </p><p>460047, г. Оренбург, ул. Салмышская, 17, Россия</p></bio><bio xml:lang="en"><p> head of ophthalmology department </p><p>460047, Salmyshskaya str. 17, Orenburg, Russia </p></bio><email xlink:type="simple">nauka@mail.ofmntk.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5611-5128</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Маршинская</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Marshinskaya</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p> младший научный сотрудник; младший научный сотрудник </p><p>460000, г. Оренбург, ул. 9 Января, 29, Россия</p><p>460018, г. Оренбург, проспект Победы, 13, Россия</p></bio><bio xml:lang="en"><p> Research Assistant </p><p>460000, 9 Yanvarya str. 29, Orenburg, Russia</p><p>Avenue Pobedy 13, 460018, Orenburg, Russian Federation</p><p> </p></bio><email xlink:type="simple">m.olja2013@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3717-4533</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Казакова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kazakova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p> младший научный сотрудник; младший научный сотрудник </p><p>460000, г. Оренбург, ул. 9 Января, 29, Россия</p><p>460018, г. Оренбург, проспект Победы, 13, Россия</p></bio><bio xml:lang="en"><p> Research Assistant </p><p>460000, 9 Yanvarya str. 29, Orenburg, Russia </p><p>Avenue Pobedy 13, 460018, Orenburg, Russian Federation </p></bio><email xlink:type="simple">vaisvais13@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГАУ «НМИЦ «МНТК «Микрохирургия глаза» им. акад. С.Н.  Федорова» Минздрава России</institution></aff><aff xml:lang="en"><institution>The S. Fyodorov Eye Microsurgery Federal State Institution</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Оренбургский филиал ФГАУ «НМИЦ «МНТК «Микрохирургия глаза» им. акад. С.Н. Федорова» Минздрава России</institution></aff><aff xml:lang="en"><institution>Orenburg branch of The S. Fyodorov Eye Microsurgery Federal State Institution</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГБНУ «Федеральный научный центр биологических систем и агротехнологий Российской академии наук»;&#13;
ФГБОУ ВО «Оренбургский государственный университет», Институт биоэлементологии</institution></aff><aff xml:lang="en"><institution>Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences;&#13;
 FGBOU VO «Orenburg state university», Institute of Bioelementology</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>14</day><month>08</month><year>2021</year></pub-date><volume>6</volume><issue>3</issue><fpage>133</fpage><lpage>141</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ходжаев Н.С., Чупров А.Д., Ким С.М., Маршинская О.В., Казакова Т.В., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Ходжаев Н.С., Чупров А.Д., Ким С.М., Маршинская О.В., Казакова Т.В.</copyright-holder><copyright-holder xml:lang="en">Khodzhaev N.S., Chuprov A.D., Kim S.M., Marshinskaya O.V., Kazakova T.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.actabiomedica.ru/jour/article/view/2857">https://www.actabiomedica.ru/jour/article/view/2857</self-uri><abstract><sec><title>Обоснование</title><p>Обоснование. Существующая тенденция к росту заболеваемости возрастной макулярной дегенерации (ВМД)  у населения, в том числе у работоспособной части, с  возможной потерей профессиональной деятельности,  свидетельствует о необходимости раннего доклинического выявления групп риска, своевременной профилактики и  лечения. В профилактике и лечении ВМД активно  обсуждается перспектива применения мелатонина.</p></sec><sec><title>Цель исследования</title><p>Цель исследования: провести анализ уровней мелатонина в сыворотке крови и слезной жидкости у пациентов с ВМД и изучить их корреляцию с факторами риска.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В ходе исследования было  сформировано две группы: основная – пациенты с  неэкссудативной формой ВМД и сенильной катарактой (n =  40) и референтная – условно здоровые пациенты без ВМД и катаракты (n = 20). У пациентов обеих групп проводилось анкетирование для выявления факторов риска ВМД.  Содержание мелатонина в сыворотке крови и слезной  жидкости определяли с помощью иммуноферментного  анализа с использованием тест-системы Melatonin ELISA Kit  (США).</p></sec><sec><title>Результаты</title><p>Результаты. В ходе проведенного исследования было установлено, что концентрация мелатонина в сыворотке крови и слезной жидкости у пациентов с ВМД была достоверно ниже, по сравнению с пациентами референтной группы (p&lt;0,05). Содержание мелатонина в сыворотке  крови и слезной жидкости зависит от следующих факторов:  возраст, индекс массы тела (ИМТ), артериальная гипертония,  цвет глаз, бессонница и работа в ночные смены. Возможно, локальное определение мелатонина в слезной жидкости может быть биомаркером при определении офтальмологических патологических  состояний.</p></sec><sec><title>Заключение</title><p>Заключение. Полученные результаты могут быть  использованы в качестве рекомендаций для уточнения  индивидуальных схем применения мелатонина, особенно  при лечении пациентов с ВМД.  </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. The current trend towards an increase in age-related macular degeneration (AMD) incidence rate in the population, including the working-age population, with a possible loss of professional activity, indicates the need for early preclinical identification of risk groups, timely prevention and treatment. In the prevention and treatment of AMD, the prospect of using melatonin is being actively discussed.</p></sec><sec><title>Aim</title><p>Aim: to analyze serum and tear fluid levels of melatonin in patients with AMD and study their correlation with risk factors.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. In the course of the study, two groups were formed: the main group - patients with non-exudative AMD and senile cataract (n = 40) and the reference group - conditionally healthy patients without AMD and cataract (n = 20). Patients of both groups were surveyed to identify risk factors for AMD. The content of melatonin in blood serum and lacrimal fluid was determined by enzyme-linked immunosorbent assay using the Melatonin ELISA Kit (USA).</p></sec><sec><title>Results</title><p>Results. In the course of the study, it was found that the concentration of melatonin in blood serum and tear fluid in patients with AMD was significantly lower than in patients of the reference group (p &lt;0.05). Serum and tear fluid melatonin levels depend on the following factors: age, body mass index (BMI), arterial hypertension, eye color, insomnia, and night work. It is possible that the local determination of melatonin in the lacrimal fluid can be a biomarker in the determination of ophthalmic pathological conditions.</p></sec><sec><title>Conclusion</title><p>Conclusion. The obtained results can be used as recommendations for clarifying individual regimens for the use of melatonin, especially in the treatment of patients with AMD.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>возрастная макулярная дегенерация</kwd><kwd>мелатонин</kwd><kwd>факторы риска</kwd><kwd>сыворотка крови</kwd><kwd>слезная жидкость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>age-related macular degeneration</kwd><kwd>melatonin</kwd><kwd>risk factors</kwd><kwd>blood serum</kwd><kwd>lacrimal fluid</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">Prevention of Blindness and Visual Impairment: Priority Eye Diseases. 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