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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">medbio</journal-id><journal-title-group><journal-title xml:lang="ru">Медико-биологические проблемы жизнедеятельности</journal-title><trans-title-group xml:lang="en"><trans-title>Medical and Biological Problems of Life Activity</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2074-2088</issn><publisher><publisher-name>Республиканский научно-практический центр радиационной медицины и экологии человека</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">medbio-229</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 ПРОБЛЕМЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MEDICAL-BIOLOGICAL PROBLEMS</subject></subj-group></article-categories><title-group><article-title>Метилирование ДНК в образцах буккального эпителия человека в связи с определением возраста</article-title><trans-title-group xml:lang="en"><trans-title>DNA methylation in human buccal epithelium samples in determining age</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>Лемеш</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Lemesh</surname><given-names>V. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Кипень</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kipen</surname><given-names>V. N.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Богданова</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bahdanava</surname><given-names>M. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Буракова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Burakova</surname><given-names>A. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Булгак</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Bulgak</surname><given-names>A. G.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Байда</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bayda</surname><given-names>A. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зотова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zotova</surname><given-names>O. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кругликова</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kruglikova</surname><given-names>M. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Добыш</surname><given-names>О. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Dobysh</surname><given-names>O. I.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Сакович</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Sakovich</surname><given-names>V. I.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>ГНУ «Институт генетики и цитологии» НАН Беларуси</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-2"><institution>Государственное учреждение «РНПЦ «Кардиология»</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-3"><institution>ГУО «Белорусская медицинская академия последипломного образования»</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>02</day><month>03</month><year>2023</year></pub-date><volume>0</volume><issue>2</issue><fpage>44</fpage><lpage>52</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Лемеш В.А., Кипень В.Н., Богданова М.В., Буракова А.А., Булгак А.Г., Байда А.В., Зотова О.В., Кругликова М.А., Добыш О.И., Сакович В.И., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Лемеш В.А., Кипень В.Н., Богданова М.В., Буракова А.А., Булгак А.Г., Байда А.В., Зотова О.В., Кругликова М.А., Добыш О.И., Сакович В.И.</copyright-holder><copyright-holder xml:lang="en">Lemesh V.A., Kipen V.N., Bahdanava M.V., Burakova A.A., Bulgak A.G., Bayda A.V., Zotova O.V., Kruglikova M.A., Dobysh O.I., Sakovich V.I.</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://medbio.ejournal.by/jour/article/view/229">https://medbio.ejournal.by/jour/article/view/229</self-uri><abstract><p>На основании биоинформатического и статистического анализа GEO-проектов по определению полногеномного профиля метилирования ДНК человека сформирован перечень из CpG-динуклеотидов с высоким прогностическим потенциалом для создания моделей предсказания возраста человека по образцам буккального эпителия. Определен уровень метилирования для 466 образцов индивидов из Республики Беларусь, рассчитаны коэффициенты корреляции R и построены математические модели определения возраста человека. Среднее значение точности предсказания возраста по образцам буккального эпителия составило 4,6 года. Полученные результаты будут положены в основу при разработке калькуляторов предсказания возраста индивида по биологическим следам для экспертов-криминалистов.</p></abstract><trans-abstract xml:lang="en"><p>Based on bioinformatics and statistical analysis of GEO-projects to determine the genome-wide profile of human DNA methylation, a list of CpG dinucleotides with high predictive potential was formed to create models for predicting human age from buccal epithelium samples. The methylation level was determined for 466 samples of individuals from the Republic of Belarus. The correlation coefficients R were calculated, and mathematical models for determining the age of individual were constructed. The average value of the accuracy of age prediction from buccal epithelium samples using 6 CpG-dinucleotides was 4,6 years. The results obtained will be used as a basis for the development of calculators for predicting the age of an individual based on traces of biological character for forensic experts.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>криминалистика</kwd><kwd>определение возраста</kwd><kwd>буккальный эпителий</kwd><kwd>метилирование ДНК</kwd><kwd>HumanMethylation450 BeadChip</kwd></kwd-group><kwd-group xml:lang="en"><kwd>forensic</kwd><kwd>age determination</kwd><kwd>buccal epithelium</kwd><kwd>DNA methylation</kwd><kwd>human methylation 450k BeadChip</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">Assessment of DNA Damage by Comet Assay in Buccal Epithelial /j. Sanchez-Alarcon J. 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