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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">zdor</journal-id><journal-title-group><journal-title xml:lang="ru">Проблемы здоровья и экологии</journal-title><trans-title-group xml:lang="en"><trans-title>Health and Ecology Issues</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-0967</issn><issn pub-type="epub">2708-6011</issn><publisher><publisher-name>Gomel State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.51523/2708-6011.2009-6-4-20</article-id><article-id custom-type="elpub" pub-id-type="custom">zdor-894</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>КЛИНИЧЕСКАЯ МЕДИЦИНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL MEDICINE</subject></subj-group></article-categories><title-group><article-title>ОЦЕНКА НАСЛЕДСТВЕННОЙ ПРЕДРАСПОЛОЖЕННОСТИ К РАКУ МОЛОЧНОЙ ЖЕЛЕЗЫ ПОСРЕДСТВОМ ТЕСТИРОВАНИЯ НАИБОЛЕЕ ЧАСТЫХ МУТАЦИЙ ГЕНОВ BRCA1 И BRCA2 В ГРУППЕ ПАЦИЕНТОК ИЗ ГОМЕЛЬСКОГО РЕГИОНА БЕЛАРУСИ</article-title><trans-title-group xml:lang="en"><trans-title>ESTIMATION OF GENETIC PREDISPOSITION TO BREAST CANCER BY TESTING OF MOST FREQUENT MUTATIONS OF BRCA1 AND BRCA2 GENES IN GROUP OF PATIENTS FROM GOMEL REGION OF BELARUS</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>Силин</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Silin</surname><given-names>A. E.</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>Мартинков</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Martinkov</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>Родько</surname><given-names>Д. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Rodjko</surname><given-names>D. B.</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>Надыров</surname><given-names>Э. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Nadyrov</surname><given-names>E. 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>Мартыненко</surname><given-names>С. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Martynenko</surname><given-names>S. M.</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>Тропашко</surname><given-names>И. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Tropashko</surname><given-names>I. B.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Республиканский научно-практический центр радиационной медицины и экологии человека</institution></aff><aff xml:lang="en"><institution>Republican Research Center for Radiation Medicine and Human Ecology</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Гомельский областной клинический онкологический диспансер</institution></aff><aff xml:lang="en"><institution>Gomel Regional Clinical Oncologic Dispensary</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2009</year></pub-date><pub-date pub-type="epub"><day>28</day><month>12</month><year>2009</year></pub-date><volume>0</volume><issue>4</issue><fpage>100</fpage><lpage>107</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Силин А.Е., Мартинков В.Н., Родько Д.Б., Надыров Э.А., Мартыненко С.М., Тропашко И.Б., 2009</copyright-statement><copyright-year>2009</copyright-year><copyright-holder xml:lang="ru">Силин А.Е., Мартинков В.Н., Родько Д.Б., Надыров Э.А., Мартыненко С.М., Тропашко И.Б.</copyright-holder><copyright-holder xml:lang="en">Silin A.E., Martinkov V.N., Rodjko D.B., Nadyrov E.A., Martynenko S.M., Tropashko I.B.</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://journal.gsmu.by/jour/article/view/894">https://journal.gsmu.by/jour/article/view/894</self-uri><abstract><p>Проведенная работа дала возможность впервые описать наследственно обусловленные случаи РМЖ в Гомельском регионе Беларуси, определив спектр и частоты встречаемости наиболее значимых генетических факторов, лежащих в основе данной патологии. В результате молекулярно-генетического исследования 667 первичных случаев РМЖ показано, что из восьми распространенных в Восточной Европе мутаций генов BRCA1/2 в Гомельском регионе Беларуси с различными частотами встречаются 5 мутаций - 185delAG, 300T&gt;G, 4153delA, 5382insC и 6174delT. Мутации 2274insA, 3819del5 и 3875del4 в изученной группе отсутствовали. Преобладающей в изучаемом регионе является мутация 5382insC, доля которой составила 80% от всех выявленных мутаций. Суммарная частота мутаций в неселектированной выборке с учетом стандартизованных показателей возрастной структуры составила 7,9 %. Установлено, что наиболее значимым критерием с точки зрения оценки вероятности наличия в генотипе мутаций BRCA1/2 является семейный анамнез. В объединенной подгруппе пациенток с каким-либо из основных признаков семейного рака и их сочетаний доля мутаций составила 24,4 %.</p></abstract><trans-abstract xml:lang="en"><p>The work that has been carried out describes for the first time the hereditary caused breast cancer cases in Gomel region of Belarus, having defined a spectrum and frequencies of the most significant genetic factors underlying the given pathology. After the molecular-genetic testing of 667 primary breast cancer cases it was shown that out of eight BRCA1/2 gene mutations that are widely spread in Eastern Europe there are only five ones in Gomel region of Belarus with various frequencies - 185delAG, 300T&gt;G, 4153delA, 5382insC and 6174delT. The 2274insA, 3819del5 and 3875del4 mutations were not found in the studied group. The 5382insC mutation was found to be the predominant one, which has made 80 % of all the detected mutations. Total mutation frequency in nonselective sampling taking into consideration the standardized indicators of age structure has made 7,9 %. It was found out, that family anamnesis is the most significant criterion from the point of view of probability estimation of BRCA1/2 mutations in genotype. In the united subgroup of patients with any of the basic signs of family cancer and their combinations, the share of mutations has made 24,4 %.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>рак молочной железы</kwd><kwd>наследственная предрасположенность</kwd><kwd>генетическое тестирование</kwd><kwd>BRCA1/2</kwd><kwd>breast cancer</kwd><kwd>genetic predisposition</kwd><kwd>genetic testing</kwd><kwd>BRCA1/2</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">Genetic heterogeneity and penetrance analysis of the BRCA l and BRCA 2 genes in breast cancer families / D. 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