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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">Ekologiya cheloveka (Human Ecology)</journal-id><journal-title-group><journal-title xml:lang="en">Ekologiya cheloveka (Human Ecology)</journal-title><trans-title-group xml:lang="ru"><trans-title>Экология человека</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1728-0869</issn><issn publication-format="electronic">2949-1444</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">109591</article-id><article-id pub-id-type="doi">10.17816/humeco109591</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL STUDY ARTICLES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</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">Genetic predictors of oxidative stress in the indigenous ethnous of the Arctic</article-title><trans-title-group xml:lang="ru"><trans-title>Генетические предикторы оксидативного стресса у коренного этноса Арктики</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6613-2485</contrib-id><contrib-id contrib-id-type="scopus">57200828966</contrib-id><contrib-id contrib-id-type="researcherid">E-4115-2018</contrib-id><contrib-id contrib-id-type="spin">4545-2558</contrib-id><name-alternatives><name xml:lang="en"><surname>Vorobyeva</surname><given-names>Nadezda A.</given-names></name><name xml:lang="ru"><surname>Воробьева</surname><given-names>Надежда Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.), professor</p></bio><bio xml:lang="ru"><p>д.м.н., профессор</p></bio><email>nadejdav0@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4817-6884</contrib-id><contrib-id contrib-id-type="scopus">57200384556</contrib-id><contrib-id contrib-id-type="spin">4621-9043</contrib-id><name-alternatives><name xml:lang="en"><surname>Vorobyeva</surname><given-names>Alyona I.</given-names></name><name xml:lang="ru"><surname>Воробьева</surname><given-names>Алена Ивановна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>greeenhamster@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3643-0515</contrib-id><contrib-id contrib-id-type="spin">1495-7061</contrib-id><name-alternatives><name xml:lang="en"><surname>Vorontsova</surname><given-names>Alexandra S.</given-names></name><name xml:lang="ru"><surname>Воронцова</surname><given-names>Александра Сергеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>baklab1gkb@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Northern State Medical University</institution></aff><aff><institution xml:lang="ru">Северный государственный медицинский университет</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2022-12-08" publication-format="electronic"><day>08</day><month>12</month><year>2022</year></pub-date><pub-date date-type="pub" iso-8601-date="2022-12-28" publication-format="electronic"><day>28</day><month>12</month><year>2022</year></pub-date><volume>29</volume><issue>11</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>793</fpage><lpage>806</lpage><history><date date-type="received" iso-8601-date="2022-08-02"><day>02</day><month>08</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-10-26"><day>26</day><month>10</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Эко-Вектор</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</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-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://hum-ecol.ru/1728-0869/article/view/109591">https://hum-ecol.ru/1728-0869/article/view/109591</self-uri><abstract xml:lang="en"><p><bold><italic>BACKGROUND: </italic></bold>Fundamental scientific research and practical medicine indicate that certain genes are potentially involved in the pathogenesis of oxidative stress.</p> <p><bold><italic>AIM: </italic></bold>to determine the prevalence of polymorphic genes that cause oxidative stress in the Nenets ethnic group of the Vaigach Island of the Nenets Autonomous Okrug and compare it with that of other ethnic groups.</p> <p><bold><italic>MATERIALS AND METHODS: </italic></bold>A molecular genetic study of the genes involved in oxidative stress in 44 representatives of the Nenets ethnic group permanently residing on the Vaygach Island was carried out. Data were analyzed using the STATA 2016 program and Microsoft Excel 2010. The assessment of the deviation of genotypic distributions from the Hardy–Weinberg equilibrium was carried out using the Pearson χ<sup>2</sup> test. Calculations were performed using the online program Hardy–Weinberg equilibrium calculator (HWEC).</p> <p><bold><italic>RESULTS: </italic></bold>The prevalence of the main polymorphic variants of the oxidative system genes in the studied ethnic group was similar to that in European populations, with the exception of the <italic>SOD2</italic> (rs4880), <italic>CYP1A1</italic> (rs1048943), <italic>CAT</italic> (rs1001179) with prevalences of 97,73%, 20,45%, 13,64%, respectively. The oxidative system genes: the <italic>SOD2</italic> (rs4880 and rs1141718), and <italic>CAT</italic> (rs1001179) were specific to the indigenous ethnic group of Vaygach Island.</p> <p><bold><italic>CONCLUSION: </italic></bold>The study of the nature of genetic diversity in specific geographical, ethnic groups will allow us to reconstruct the genetic history of populations, and identify traces of natural selection associated with adaptive variability.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование.</bold> В настоящее время перспективным с точки зрения фундаментальной науки и практической медицины остаётся анализ кандидатных генов, которые потенциально вовлечены в патогенез заболевания.</p> <p><bold>Цель исследования.</bold> Анализ распространённости полиморфизма генов, детерминирующих оксидативный стресс, в выборке ненецкого этноса острова Вайгач Ненецкого автономного округа и сравнение результатов с другими этносами.</p> <p><bold>Материалы и методы.</bold> Проведено молекулярно-генетическое исследование генов, детерминирующих состояние оксидативного стресса, у 44 представителей ненецкого этноса, постоянно проживающих на острове Вайгач. Статистическая обработка базы данных выполнена с использованием программ STATA 2016 и Microsoft Excel 2010. Оценку отклонения распределений генотипов от распределения Харди–Вайнберга проводили с помощью критерия χ<sup>2</sup> Пирсона. Расчеты делали в онлайн-программе Hardy–Weinberg equilibrium calculator (HWEC).</p> <p><bold>Результаты.</bold> Сравнительный анализ основных полиморфных вариантов генов оксидативной системы в изучаемой этнической выборке в большинстве случаев соответствует распространённости в европейских популяциях, за исключением генов <italic>SOD2</italic> (rs4880) — 97,73%, <italic>CYP1A1</italic> (rs1048943) — 20,45%, <italic>CAT</italic> (rs1001179) — 13,64%. Выявлена популяционная специфичность встречаемости полиморфизмов генов, детерминирующих оксидативную систему: это гены <italic>SOD2</italic> (rs4880 и rs1141718) и <italic>CAT</italic> (rs1001179) в выборке коренного этноса острова Вайгач.</p> <p><bold>Заключение.</bold> Изучение характера генетического разнообразия в конкретных географических, этнических группах позволит реконструировать генетическую историю популяций, выявить следы действия естественного отбора, связанного с адаптивной изменчивостью.</p></trans-abstract><kwd-group xml:lang="en"><kwd>oxidative stress</kwd><kwd>genetic polymorphism</kwd><kwd>indigenous ethnic group</kwd><kwd>Arctic</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>оксидативный стресс</kwd><kwd>генетический полиморфизм</kwd><kwd>коренной этнос</kwd><kwd>Арктика</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Правительство РФ</institution></institution-wrap><institution-wrap><institution xml:lang="en">Government of the Russian Federation</institution></institution-wrap></funding-source><award-id>НИОКТР 121030300111-7</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Bikmukhametova LM, Rusak SN. 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