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<article article-type="research-article" dtd-version="1.2" xml:lang="ru" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><front><journal-meta><journal-id journal-id-type="issn">2658-6533</journal-id><journal-title-group><journal-title>Научные результаты биомедицинских исследований</journal-title></journal-title-group><issn pub-type="epub">2658-6533</issn></journal-meta><article-meta><article-id pub-id-type="doi">10.18413/2658-6533-2025-11-3-0-1</article-id><article-id pub-id-type="publisher-id">3847</article-id><article-categories><subj-group subj-group-type="heading"><subject>Генетика</subject></subj-group></article-categories><title-group><article-title>&lt;strong&gt;Ассоциации полиморфизма 786T&amp;gt;C (rs2070744) гена &lt;em&gt;NOS3&lt;/em&gt; с основными соматометрическими показателями и характеристиками сердечно-сосудистой системы в возрастном аспекте&lt;/strong&gt; &lt;strong&gt;у мужчин-северян&lt;/strong&gt;</article-title><trans-title-group xml:lang="en"><trans-title>&lt;strong&gt;Associations of the 786T&amp;gt;C (rs2070744) polymorphism of the &lt;em&gt;NOS3&lt;/em&gt; gene with main somatometric indices and cardiovascular system characteristics in the age aspect &lt;/strong&gt;&lt;strong&gt;in northern men&lt;/strong&gt;&lt;br /&gt;
&amp;nbsp;</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="ru"><surname>Безменова</surname><given-names>Ирина Николаевна</given-names></name><name xml:lang="en"><surname>Bezmenova</surname><given-names>Irina N.</given-names></name></name-alternatives><email>lependina_bel@mail.ru</email></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="ru"><surname>Аверьянова</surname><given-names>Инесса Владиславовна</given-names></name><name xml:lang="en"><surname>Averyanova</surname><given-names>Inessa V.</given-names></name></name-alternatives><email>inessa1382@mail.ru</email></contrib></contrib-group><pub-date pub-type="epub"><year>2025</year></pub-date><volume>11</volume><issue>3</issue><fpage>0</fpage><lpage>0</lpage><self-uri content-type="pdf" xlink:href="/media/medicine/2025/3/Биомедисследования_3-6-21.pdf" /><abstract xml:lang="ru"><p>Актуальность: Недостаток информации об ассоциации вариантов полиморфизма гена NOS3 с возрастными изменениями основных соматометрических характеристик и системы кровообращения не позволяет составить полной картины возрастных изменений основных показателей сердечно-сосудистой системы у жителей-северян. Цель исследования: Анализ возрастной динамики соматометрических характеристик и показателей сердечно-сосудистой системы у мужчин-северян, а также выявление ассоциаций данных показателей с различными вариантами полиморфизма 786T&amp;gt;C (rs2070744) гена NOS3. Материалы и методы: Исследованная выборка общей численностью 245 человек была разделена на три возрастные группы: юношеского (n=109), зрелого (n=97) и пожилого (n=39) периодов онтогенеза. Проведено генотипирование локуса эндотелиальной синтазы окиси азота (rs2070744) методом ПЦР в режиме реального времени. В каждой возрастной группе были выделены подгруппа 1 (генотипы ТС+СС) и подгруппа 2 (гомозиготы с генотипом ТТ), которые сравнивались по соматометрическим характеристикам и показателям сердечно-сосудистой системы. Результаты: Выявлены прогрессивные изменения показателей массы тела, ИМТ, общего содержания жира в организме в онтогенетическом ряду от юношей к группе пожилых мужчин. Установлено возраст-ассоциированное увеличение систолического, диастолического артериального давления и общего периферического сопротивления сосудов, при уменьшении объёмных характеристик сердечно-сосудистой системы &amp;ndash; ударного и минутного объёмов кровообращения. Показано, что наличие аллеля NOS3 *С в генотипе ассоциировано с менее выраженными изменениями массы тела, ИМТ и общего содержания жира в организме. При этом наличие данного аллеля в генотипе можно рассматривать в качестве дополнительного фактора риска возраст-ассоциированных нарушений показателей сердечно-сосудистой системы. Так, только у мужчин пожилого возраста группы 2 (генотипы ТС+СС) выявлена систолическая изолированная гипертензия с вазоконстрикторными проявлениями. Снижение систолического объема крови в возрастном аспекте было обусловлено сочетанным воздействием факторов &amp;laquo;возраст&amp;raquo; и &amp;laquo;генотип&amp;raquo;. Заключение: Полученные результаты свидетельствуют о наличии ассоциаций полиморфизма 786T&amp;gt;C (rs2070744) гена NOS3 с такими показателями сердечно-сосудистой системы, как систолическое, диастолическое артериальное давление и общее периферическое сопротивление сосудов</p></abstract><trans-abstract xml:lang="en"><p>Background: A lack of information regarding the association between NOS3 gene polymorphism variants and age-related changes in basic somatometric characteristics and the circulatory system prevents us from forming a comprehensive understanding of age-related changes in fundamental cardiovascular indicators among northerners. The aim of the study: The objective of this study was to conduct an analysis of the age-related dynamics of somatometric parameters and indicators of the cardiovascular system among men living in the northern regions, as well as to uncover associations between these indicators and different variants of the 786T&amp;gt;C (rs2070744) polymorphism of the NOS3 gene. Materials and methods: Totally 245 people made up the study sample which was divided into three age groups depending on ontogeny: adolescent (n=109), mature (n=97) and elderly (n=39). In each age group, subgroup 1 (TC+CC genotypes) and subgroup 2 (homozygotes with TT genotype) were identified and compared based on somatometric characteristics and cardiovascular system indicators. Results: Progressive changes in body mass, BMI and total body fat content have been revealed in the ontogenetic line from young men to elderly men. Systolic and diastolic blood pressure as well as total peripheral vascular resistance tended to increase with age with a fall in the cardiovascular system volume characteristics &amp;ndash; stroke volume and cardiac output. The NOS3 *C allele in the genotype showed the link to less pronounced changes in body mass, BMI and total body fat content. At the same time, the presence of this allele in the genotype can be considered as an additional risk factor for age-associated disorders in cardiovascular performance. Only the elderly men of Group 2 (TC+CC genotypes) experienced systolic isolated hypertension with vasoconstriction signs. Decreased in the age aspect stroke (systolic) volume was caused by the combined effect of the age and genotype factors. Conclusion: The results obtained indicate associations of the 786T&amp;gt;C (rs2070744) polymorphism of the NOS3 gene with such cardiovascular indices as systolic and diastolic blood pressure and total peripheral vascular resistance</p></trans-abstract><kwd-group xml:lang="ru"><kwd>юноши</kwd><kwd>мужчины зрелого возраста</kwd><kwd>мужчины пожилого возраста</kwd><kwd>антропометрические показатели</kwd><kwd>сердечно-сосудистая система</kwd><kwd>полиморфизм 786T&gt;C (rs2070744) гена NOS3</kwd></kwd-group><kwd-group xml:lang="en"><kwd>young adults</kwd><kwd>mature men</kwd><kwd>elderly men</kwd><kwd>anthropometric indices</kwd><kwd>cardiovascular system</kwd><kwd>786T&gt;C (rs2070744) polymorphism of the NOS3 gene</kwd></kwd-group></article-meta></front><back><ref-list><title>Список литературы</title><ref id="B1"><mixed-citation>Thinggaard M, Jeune B, Osler M, et al. Are Advances in Survival Among the Oldest Old Seen Across the Spectrum of Health and Functioning? 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