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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">sibmed</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский научный медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Сибирский научный медицинский журнал</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2410-2512</issn><issn pub-type="epub">2410-2520</issn><publisher><publisher-name>ИЦиГ СО РАН</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15372/SSMJ20190409</article-id><article-id custom-type="elpub" pub-id-type="custom">sibmed-213</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>МЕДИКО-БИОЛОГИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOMEDICINE</subject></subj-group></article-categories><title-group><article-title>ГЕНДЕРНЫЕ ОСОБЕННОСТИ СОДЕРЖАНИЯ ЛАМИНОВ В ФИБРОБЛАСТАХ КОЖИ ЧЕЛОВЕКА ПРИ ХРОНОЛОГИЧЕСКОМ СТАРЕНИИ</article-title><trans-title-group xml:lang="en"><trans-title>GENDER FEATURES OF LAMINA CONTENT IN HUMAN SKIN FIBROBLASTS IN A PROCESS OF CHRONOLOGICAL AGING</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Голубцова</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Golubtsova</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.б.н., </p><p> 428015, г. Чебоксары, Московский просп., 45</p></bio><bio xml:lang="en"><p>candidate of biological sciences</p><p>428015, Cheboksary, Moskovsky av., 45</p></bio><email xlink:type="simple">golubnata@list.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>Богданов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bogdanov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>428015, г. Чебоксары, Московский просп., 45</p></bio><bio xml:lang="en"><p>428015, Cheboksary, Moskovsky av., 45</p></bio><email xlink:type="simple">alexeivld@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>Гунин</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Gunin</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н.,</p><p>428015, г. Чебоксары, Московский просп., 45</p></bio><bio xml:lang="en"><p>doctor of medical sciences</p><p>428015, Cheboksary, Moskovsky av., 45</p></bio><email xlink:type="simple">drgunin@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Чувашский государственный университет им. И.Н. Ульянова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Chuvash State University n.a. I.N. Ul’yanov</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>05</day><month>09</month><year>2019</year></pub-date><volume>39</volume><issue>4</issue><fpage>71</fpage><lpage>77</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Голубцова Н.Н., Богданов А.В., Гунин А.Г., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Голубцова Н.Н., Богданов А.В., Гунин А.Г.</copyright-holder><copyright-holder xml:lang="en">Golubtsova N.N., Bogdanov A.V., Gunin A.G.</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://sibmed.elpub.ru/jour/article/view/213">https://sibmed.elpub.ru/jour/article/view/213</self-uri><abstract><p>Цель исследования – изучить гендерные особенности содержания иммунопозитивных по ламинам А, В1 и В2 фибробластов в образцах кожи человека при хронологическом старении. Материал и методы. Изучен 331 образец кожи плодов обоего пола от 20 до 40 недель беременности и лиц мужского и женского пола от рождения до 85 лет. Иммуногистохимическим методом исследовано содержание положительно окрашенных дермальных фибробластов и экспрессия ламинов А, В1 и В2 в их ядрах. Результаты и их обсуждение. Установлено, что постепенное (начиная от пренатального периода и до глубокой старости) снижение содержания у мужчин и женщин фибробластов, позитивных по ламину А, и его экспрессии зависит от возраста, но не имеет различий, связанных с полом. Содержание позитивных по ламину В1 фибробластов, также как экспрессия ламина В1, достоверно уменьшается сразу после рождения и продолжает оставаться сниженным до 40 лет, а затем повышается. Указанные изменения не имеют достоверных отличий по гендерному признаку. Изменение количества положительно окрашенных на ламин В2 фибробластов и экспрессии ламина В2 не имеет статистически достоверной связи с возрастом и полом. Таким образом, гендерных различий в динамических возрастных изменениях содержания и экспрессии белков-ламинов в фибробластах кожи при хронологическом старении не установлено.</p></abstract><trans-abstract xml:lang="en"><p>The purpose of the study was to investigate gender peculiarities of the content of fibroblasts immunopositive to lamins A, B1 and B2 in skin samples in a process of chronological aging. Material and methods. 331 skin samples at the period from 20 to 40 weeks of gestation and people from birth to 85 years were examined. The content of positively stained dermal fibroblasts and the expression level of lamins A, B1 and B2 in their nucleus was explored by immunohistochemistry. Results and discussion. The gradual decrease of fibroblasts with positive staining for lamin A and the expression level of lamin A after antenatal period and up to old age depends on the age, but does not have differences, which are related to gender. The lamin B1 positively fibroblasts content is declining reliably from birth to 40 years and then it is increasing as well as the expression level of lamina B1. The indicated changes don’t have reliable variances in gender. The change in the number of lamina B2-positively colored fibroblasts and the expression level of lamina B2 has no statistically valid correlation with gender and age. Thus, there are no gender differences in dynamical age related changes of the content and the expression level of protein-lamina in skin fibroblasts in a process of chronological aging.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ламин А</kwd><kwd>ламин В1</kwd><kwd>ламин В2</kwd><kwd>фибробласты</kwd><kwd>кожа</kwd><kwd>гендерные особенности</kwd><kwd>хронологическое старение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lamin A</kwd><kwd>lamin B1</kwd><kwd>lamin B2</kwd><kwd>fibroblasts</kwd><kwd>skin</kwd><kwd>gender features</kwd><kwd>chronological aging</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке РФФИ, грант № 18-44-210001.</funding-statement><funding-statement xml:lang="en">This work was supported by the russian science foundation, grant № 18-44-210001.</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">Васильева О.В., Голубцова Н.Н., Филиппов Ф.Н., Гунин А.Г. 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