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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">resar</journal-id><journal-title-group><journal-title xml:lang="ru">Природные ресурсы Арктики и Субарктики</journal-title><trans-title-group xml:lang="en"><trans-title>Arctic and Subarctic Natural Resources</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2618-9712</issn><issn pub-type="epub">2686-9683</issn><publisher><publisher-name>Академия наук Республики Саха (Якутия)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31242/2618-9712-2023-28-3-443-450</article-id><article-id custom-type="elpub" pub-id-type="custom">resar-239</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>Биологические науки. Экология</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Biological sciences. Ecology</subject></subj-group></article-categories><title-group><article-title>Сезонные изменения профиля жирных кислот плазмы крови как механизм адаптации человека к экстремальным условиям Севера</article-title><trans-title-group xml:lang="en"><trans-title>Seasonal changes in the profile of blood plasma fatty acids as a mechanism of human adaptation to the extreme conditions of the North</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6965-2600</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Колосова</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kolosova</surname><given-names>О. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Колосова Ольга Николаевна, доктор биологических наук, профессор, главный научный сотрудник</p><p>Якутск</p><p>ResearcherID: P-6534-2015,</p><p>РИНЦ AuthorID: 274863</p></bio><bio xml:lang="en"><p>Kolosova, Olga N., Dr. Sci. (Biol.), Professor, Senior Researcher</p><p>Yakutsk</p><p>ResearcherID: P-6534-2015,</p><p>RISC AuthorID: 274863</p></bio><email xlink:type="simple">kololgonik@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/0000-0001-8823-3981</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кершенгольц</surname><given-names>Б. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kershengolts</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кершенгольц Борис Моисеевич, доктор биологических наук, профессор, главный научный сотрудник</p><p>Якутск</p><p>РИНЦ AuthorID: 88428</p></bio><bio xml:lang="en"><p>Kershengolts, Boris M., Dr. Sci. (Biol.), Professor, Senior Researcher</p><p>Yakutsk</p><p>RISC AuthorID: 88428</p></bio><email xlink:type="simple">kerschen@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Соловьева</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Solovieva</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Соловьева Наталья Алексеевна, кандидат медицинских наук, ведущий научный сотрудник</p><p>Якутск</p><p>ResearcherID: Q-9965-2018,</p><p>Scopus Author ID: 57142280900,</p><p>РИНЦ AuthorID: 641179</p></bio><bio xml:lang="en"><p>Solov’eva, Natal’ya A., Cand. Sci. (Med.), Leading Researcher</p><p>Yakutsk</p><p>ResearcherID: Q-9965-2018,</p><p>Scopus Author ID: 57142280900,</p><p>RISC AuthorID: 641179</p></bio><email xlink:type="simple">sonata60878@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт биологических проблем криолитозоны СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute for Biological Problems of Cryolithozone, Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>26</day><month>09</month><year>2023</year></pub-date><volume>28</volume><issue>3</issue><fpage>443</fpage><lpage>450</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Колосова О.Н., Кершенгольц Б.М., Соловьева Н.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Колосова О.Н., Кершенгольц Б.М., Соловьева Н.А.</copyright-holder><copyright-holder xml:lang="en">Kolosova О.N., Kershengolts V.M., Solovieva N.A.</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://resar.elpub.ru/jour/article/view/239">https://resar.elpub.ru/jour/article/view/239</self-uri><abstract><p>Экстремальные факторы окружающей среды приводят к изменениям в метаболизме организма и, в частности, к преимущественному использованию белков и жиров в обмене веществ. Целью нашей работы было выявить сезонные различия в содержании жирных кислот в плазме крови людей с эволюционно развитыми механизмами адаптации к специфическим условиям Севера. Объектами исследования были молодые мужчины-аборигены Севера (якуты), практически здоровые добровольцы, средний возраст которых составил 19,1 ± 2,2 года (n = 26). Образцы венозной крови брали в утренние часы с 8:00 до 9:00 в разное время года (лето, осень, зима). Колебания температуры в течение этих сезонов составляли более 100 °C. Идентификацию и определение концентрации жирных кислот (ЖК) в образцах плазмы крови проводили методом газовой хроматографии-массспектрометрии (GC-MS). Статистический анализ данных липидного профиля плазмы крови проводился с использованием платформы MetaboAnalyst 5.0. Результаты показывают, что отношение ненасыщенных жирных кислот (UFA) к насыщенным жирным кислотам (SFA) зимой увеличивается в 1,8 раза по сравнению с другими периодами (летом, осенью). Выявлена ведущая роль полиненасыщенных жирных кислот в адаптации человеческого организма к межсезонным изменениям. Наиболее важную роль играют зимнее увеличение содержания 11,14,17-эйкозатриеновой кислоты (омега-3) и зимнее снижение арахидоновой кислоты, цис-11,14-эйкозадиеновой кислоты и 8,11,14-эйкозатриеновой кислоты.</p></abstract><trans-abstract xml:lang="en"><p>Extreme environmental factors lead to changes in the metabolism of the body and, in particular, to the predominant use of proteins and fats. The aim of our study was to reveal seasonal differences in the blood plasma fatty acid profile of people with evolutionarily developed mechanisms of adaptation to the specific conditions of the North. The subjects of the study were young male aborigines of the North (Yakuts), virtually healthy volunteers whose mean age was 19.1 ± 2.2 (n = 26). Venous blood samples were collected in the morning from 8:00 am to 9:00 am in different seasons (summer, fall, and winter). Temperature variations during these seasons were more than 100 °C. Identification and determination of fatty acid (FA) concentrations in the blood plasma samples were performed using gas chromatography-mass spectrometry (GC-MS). Statistical analysis of blood plasma lipid profile data was performed using MetaboAnalyst 5.0. The results showed that the ratio of unsaturated fatty acids (USFA) to saturated fatty acids (SFA) increases by 1.8 times in winter compared to other periods (summer, and autumn). The leading role of polyunsaturated fatty acids (PUSFA) in the adaptation of the human body to interseasonal changes has been revealed. The most important role is played by the winter increase of 11,14,17-eicosatrienoic acid (omega-3) and the winter decrease of arachidonic acid, cis-11,14-eicosadienoic acid and 8,11,14-eicosatrienoic acid.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сезонные изменения</kwd><kwd>годовой ритм</kwd><kwd>жирные кислоты</kwd><kwd>адаптация</kwd><kwd>экстремальные условия</kwd><kwd>метаболомика</kwd><kwd>липидомика</kwd><kwd>север</kwd><kwd>коренные народы</kwd><kwd>плазма крови</kwd></kwd-group><kwd-group xml:lang="en"><kwd>seasonal changes</kwd><kwd>chronobiology</kwd><kwd>fatty acids</kwd><kwd>adaptation</kwd><kwd>cold</kwd><kwd>metabolomics</kwd><kwd>lipidomics</kwd><kwd>student</kwd><kwd>indigenous people</kwd><kwd>blood plasma</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках госзадания Минобрнауки РФ по проекту «Физиологические и биохимические механизмы адаптации растений, животных, человека к условиям Арктики/Субарктики» (код научной темы: FWRS-2021-0025; гос. регистр. номер: AAAAAA-A21-121012190035-9), а также с использованием оборудования ЦКП ФИЦ «ЯНЦ СО РАН»</funding-statement><funding-statement xml:lang="en">This study was conducted within the framework of the state assignment of the Ministry of Science and Higher Education of the Russian Federation under the project “Physiological and biochemical mechanisms of adaptation of plants, animals, humans to the conditions of the Arctic / Subarctic and the development of biological products based on natural northern raw materials that increase the efficiency of the adaptation process and the level of human health in extreme environmental conditions” (theme number: FWRS-2021-0025; registration number: АААА-А21-121012190035-9), using the Core Shared Research Facility of the Federal Research Centre “The Yakut Scientific Centre of the SB RAS”</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Allebrandt K.V., Teder-Laving M., Kantermann T., Peters A., et al. 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