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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">dan-463</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>МЕДИЦИНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MEDICINE</subject></subj-group></article-categories><title-group><article-title>ВЛИЯНИЕ ЭКЗОГЕННОГО ЛАКТОФЕРРИНА НА РАЗВИТИЕ ЭКСПЕРИМЕНТАЛЬНОЙ МОДЕЛИ КАРЦИНОМЫ МОЛОЧНОЙ ЖЕЛЕЗЫ</article-title><trans-title-group xml:lang="en"><trans-title>INFLUENCE OF EXOGENOUS LACTOFERRIN ON THE DEVELOPMENT OF AN EXPERIMENTAL MODEL OF MAMMARY GLAND CARCINOMA</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>Залуцкий</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zalutsky</surname><given-names>J. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>член-корреспондент, д-р мед. наук, профессор, директор</p><p>ул. Академическая, 28, 220072</p></bio><bio xml:lang="en"><p>Corresponding Member, D. Sc. (Medicine), Professor, Director</p><p>28, Akademicheskaya Str., 220072</p></bio><email xlink:type="simple">IZalutsky@gmail.com</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>Лукашевич</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Lukashevich</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ст. науч. сотрудник</p><p>ул. Академическая, 28, 220072</p></bio><bio xml:lang="en"><p>Senior researcher</p><p>28, Akademicheskaya Str., 220072</p></bio><email xlink:type="simple">lukashvs@rambler.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>Лукьянова</surname><given-names>Н. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Lukianova</surname><given-names>N. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>заведующий лабораторией</p><p>ул. Васильковская, 45, 03022</p></bio><bio xml:lang="en"><p>Head of the Laboratory</p><p>45, Vasilkovskaya Str., 03022</p></bio><email xlink:type="simple">nataluk10@gmail.com</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>Кондрашова</surname><given-names>С. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Kondrashova</surname><given-names>S. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ст. науч. сотрудник</p><p>ул. Академическая, 28, 220072</p></bio><bio xml:lang="en"><p>Senior researcher</p><p>28, Akademicheskaya Str., 220072</p></bio><email xlink:type="simple">svetlana.condraschova2011@yandex.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>Рудниченко</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Rudnichenko</surname><given-names>Yu. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>науч. сотрудник</p><p>ул. Академическая, 28, 220072</p></bio><bio xml:lang="en"><p>Researcher</p><p>28, Akademicheskaya Str., 220072</p></bio><email xlink:type="simple">link060619@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>Басалай</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Basalay</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>мл. науч. сотрудник</p><p>ул. Академическая, 28, 220072</p></bio><bio xml:lang="en"><p>Junior researcher</p><p>28, Akademicheskaya Str., 220072</p></bio><email xlink:type="simple">anastasiya.basalay@gmail.com</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>Чехун</surname><given-names>В. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Chekhun</surname><given-names>V. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>академик, д-р мед. наук, профессор, директор</p><p>ул. Васильковская, 45, 03022</p></bio><bio xml:lang="en"><p>Academician, D. Sc. (Medicine), Director</p><p>45, Vasilkovskaya Str., 03022</p></bio><email xlink:type="simple">hekhun@onconet.kiev.ua</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физиологии Национальной академии наук Беларуси, Минск</institution></aff><aff xml:lang="en"><institution>Institute of Physiology of the National Academy of Sciences of Belarus, Minsk</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт экспериментальной патологии, онкологии и радиобиологии им. Р. Е. Кавецкого Национальной академии наук Украины, Киев</institution></aff><aff xml:lang="en"><institution>R. E. Kavetsky Institute of Experimental Pathology, Oncology and Radiobiology of the National Academy of Sciences of Ukraine, Kiev</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>17</day><month>12</month><year>2017</year></pub-date><volume>61</volume><issue>5</issue><fpage>103</fpage><lpage>108</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Залуцкий И.В., Лукашевич В.С., Лукьянова Н.Ю., Кондрашова С.Б., Рудниченко Ю.А., Басалай А.А., Чехун В.Ф., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Залуцкий И.В., Лукашевич В.С., Лукьянова Н.Ю., Кондрашова С.Б., Рудниченко Ю.А., Басалай А.А., Чехун В.Ф.</copyright-holder><copyright-holder xml:lang="en">Zalutsky J.V., Lukashevich V.S., Lukianova N.Y., Kondrashova S.B., Rudnichenko Y.A., Basalay A.A., Chekhun V.F.</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://doklady.belnauka.by/jour/article/view/463">https://doklady.belnauka.by/jour/article/view/463</self-uri><abstract><p>Системное введение лактоферрина per os вызывало подавление развития карциномы Эрлиха на 39,4 %. При этом наблюдались положительные воздействия на состояние антиоксидантной и иммунной систем: снижение процесса пероксидации белков и усиление антиоксидантной активности; восстановление уровня IL-1β и TGF β1 при статистически достоверном увеличении в сыворотке крови TNF-α, который, как известно, подавляет рост опухолевых клеток и регулирует ряд обменных процессов, а также активность иммунного ответа. Вместе с тем показано снижение в сыворотке крови содержания тестостерона и эстрадиола. Выявленный эффект подавления лактоферрином развития опухоли связан, по-видимому, со значительным (в 5,28 раза) увеличением в сыворотке крови концентрации железа, которое играет важную роль в обеспечении систем регуляции жизнедеятельности опухолевых клеток. </p></abstract><trans-abstract xml:lang="en"><p>A systemic administration of lactoferrin per os suppressed the development of Ehrlich’s carcinoma by 39.4 %. In this case, positive actions upon the state of antioxidant and immune systems were observed: decrease in the peroxidation of proteins and increase in the antioxidant activity; the restoration of IL-1β and TGF β1 levels with a statistically reliable increase in the blood serum TNF-α, which, as known, suppresses the growth of tumor cells and regulates a number of metabolic processes, and also the activity of immune response. At the same time, a decrease in the blood serum of the content of testosterone and estradiol is shown. The revealed effect of lactoferrin suppression of the development of tumor is apparently associated with a significant (by a factor of 5.28) increase in the blood serum of the iron concentration, which plays an important role in providing regulation systems of the vital activity of tumor cells. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>рак молочной железы</kwd><kwd>карцинома Эрлиха</kwd><kwd>лактоферрин</kwd><kwd>тестостерон</kwd><kwd>эстрадиол</kwd><kwd>цитокины</kwd><kwd>перекисное окисление</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cancer of mammary gland</kwd><kwd>the carcinoma of Ehrlich</kwd><kwd>lactoferrin</kwd><kwd>testosterone</kwd><kwd>estradiol</kwd><kwd>сytokins</kwd><kwd>the peroxide oxidation</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследования выполнены при финансовой поддержке БРФФИ (грант М15УК/A-040).</funding-statement><funding-statement xml:lang="en">The investigations are sponsored by the Belarusian Republican Foundation for Fundamental Research (Grant М15УК/A-040).</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">Антоненкова, Н. 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