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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/SSMJ20200405</article-id><article-id custom-type="elpub" pub-id-type="custom">sibmed-450</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>Возможности радионуклидной визуализации HER2/neu-позитивного рака молочной железы с использованием радиофармпрепарата на основе рекомбинантных адресных молекул DARPin9_29</article-title><trans-title-group xml:lang="en"><trans-title>Possibilities of radionuclide visualization of HER2/neu-positive breast cancer using a radiopharmaceutical based on recombinant targeting molecules DARPin9_29</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5281-7758</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Брагина</surname><given-names>О. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Bragina</surname><given-names>O. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ольга Дмитриевна Брагина, к.м.н.</p></bio><bio xml:lang="en"><p>Olga D. Bragina, candidate of medical sciences</p></bio><email xlink:type="simple">rungis@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5524-9546</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чернов</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernov</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владимир Иванович Чернов, д.м.н., проф.</p></bio><bio xml:lang="en"><p>Vladimir I. Chernov, doctor of medical sciences, professor</p></bio><email xlink:type="simple">chernov@tnimc.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5840-3625</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Медведева</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Medvedeva</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анна Александровна Медведева, к.м.н.</p></bio><bio xml:lang="en"><p>Anna A. Medvedeva, candidate of medical sciences</p></bio><email xlink:type="simple">medvedeva@tnimc.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4568-1781</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зельчан</surname><given-names>Р. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zelchan</surname><given-names>R. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Роман Владимирович Зельчан, к.м.н.</p></bio><bio xml:lang="en"><p>Roman V. Zelchan, candidate of medical sciences</p></bio><email xlink:type="simple">r.zelchan@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1176-2441</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ларькина</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Larkina</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мария Сергеевна Ларькина, к.ф.н.</p></bio><bio xml:lang="en"><p>Maria S. Larkina, candidate of pharmaceutical sciences</p></bio><email xlink:type="simple">marialarkina@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3952-0631</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Деев</surname><given-names>С. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Deyev</surname><given-names>S. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Михайлович Деев, д.б.н., проф., член-корр. РАН</p></bio><bio xml:lang="en"><p>Sergei M. Deyev, doctor of biological sciences, professor, corresponding member of RAS</p></bio><email xlink:type="simple">biomem@mail.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6122-1734</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Толмачев</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Tolmachev</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владимир Максимилианович Толмачев, проф., ORCID:</p></bio><bio xml:lang="en"><p>Vladimir M. Tolmachev, professor</p></bio><email xlink:type="simple">Vladimir.tolmachev@igp.uu.se</email><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский институт онкологии, Томский национальный исследовательский медицинский центр РАН; &#13;
Национальный исследовательский Томский политехнический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Cancer Research Institute, Tomsk National Research Medical Center of RAS; &#13;
National Research Tomsk Polytechnic University, Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный исследовательский институт онкологии, Томский национальный исследовательский медицинский центр РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Cancer Research Institute, Tomsk National Research Medical Center of RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Национальный исследовательский Томский политехнический университет; &#13;
Сибирский государственный медицинский университет Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Tomsk Polytechnic University, Russian Federation; &#13;
Siberian State Medical University of Minzdrav of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Национальный исследовательский Томский политехнический университет; &#13;
Институт биоорганической химии им. академиков М.М. Шемякина и Ю.А. Овчинникова РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Tomsk Polytechnic University, Russian Federation; &#13;
Shemyakin &amp; Ovchinnikov Institute of Bioorganic Chemistry of RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>Национальный исследовательский Томский политехнический университет; &#13;
Уппсальский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Tomsk Polytechnic University, Russian Federation; &#13;
Uppsala University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>27</day><month>08</month><year>2020</year></pub-date><volume>40</volume><issue>4</issue><fpage>35</fpage><lpage>43</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Брагина О.Д., Чернов В.И., Медведева А.А., Зельчан Р.В., Ларькина М.С., Деев С.М., Толмачев В.М., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Брагина О.Д., Чернов В.И., Медведева А.А., Зельчан Р.В., Ларькина М.С., Деев С.М., Толмачев В.М.</copyright-holder><copyright-holder xml:lang="en">Bragina O.D., Chernov V.I., Medvedeva A.A., Zelchan R.V., Larkina M.S., Deyev S.M., Tolmachev V.M.</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/450">https://sibmed.elpub.ru/jour/article/view/450</self-uri><abstract><p>До сих пор большой интерес представляет изучение рецептора эпидермального роста HER2/neu, гиперэкспрессия которого наиболее часто отмечается у больных раком молочной железы (РМЖ) (в 15–20 % случаев). Существующие методики для определения данного маркера имеют ряд существенных недостатков. В последние годы актуальным для проведения таргетной (направленной) радионуклидной визуализации является применение альтернативных каркасных белков, к одному из которых относится молекула DARPin (Design Ankyrin Repeat Protein). Материал и методы. В исследование были включены 4 пациентки с диагнозом РМЖ (T1-2N0-1M0), не получавшие на момент исследования системную терапию: у двух больных отмечалась гиперэкспрессия HER2/neu, у двух экспрессии выявлено не было. Статус HER2/neu определялся с применением иммуногистохимического метода исследования и FISH-анализа. Всем больным на этапе диагностики проводились внутривенное введение препарата 99mТс-DARPin9_29 с проведением сцинтиграфии в режиме «WholeBody» и однофотонная эмиссионная компьютерная томография через 2 ч после введения. Результаты. При анализе распределения радиофармацевтического препарата в органах через 2 ч после введения наибольшее накопление вещества определялось в печени и почках. Изучение показателя «опухоль/фон» в обеих группах больных показало, что его значения у больных с позитивным статусом рецептора HER2 более чем в 3 раза превосходят соответствующие величины в подгруппе больных с отрицательной экспрессией маркера. Заключение. По результатам предварительных исследований радиофармацевтический препарат 99mTc-DARPin9_29 продемонстрировал существенные различия между больными с гиперэкспрессией и без экспрессии рецептора HER2/neu в опухолевой ткани.</p></abstract><trans-abstract xml:lang="en"><p>Epidermal growth receptor HER2/neu is still of great interest, the overexpression of which is most often observed in patients with breast cancer and accounts for 15–20 % of cases. Present methods of HER2/neu determination have a number of significant drawbacks. In recent years, alternative framework proteins are used for the targeted radionuclide imaging. Molecules of DARPin (Design Ankyrin Repeat Protein) are one of representatives of scaffolds. Material and methods. The study included 4 breast cancer patients (T1-2N0-1M0) who were not receiving systemic therapy at the time of the study: in 2 patients, HER2/neu overexpression was noted, in 2 patients – not detected. HER2/neu status was determined using an immunohistochemical method and a FISH assay. At the preclinical stage, radiopharmaceutical 99mTc-DARPin9_29 was injected intravenously to all patients, «WholeBody» scintigraphy and single-photon emission computed tomography were performed 2 hours after injection. Results. The distribution of radiopharmaceuticals in organs 2 hours after injection revealed the greatest accumulation in the liver and kidneys. In studying of tumor/background indicator it was revealed that values of the studied parameter in patients with overexpression of HER2 receptors are more than 3 times higher than the values in the subgroup of patients with negative expression of this marker. Conclusion. According to the results of preliminary studies, the 99mTc-DARPin9_29 demonstrated significant differences between tumors with and without HER2/neu overexpression.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>рак молочной железы</kwd><kwd>DARPin9_29</kwd><kwd>таргетная радионуклидная диагностика</kwd></kwd-group><kwd-group xml:lang="en"><kwd>breast cancer</kwd><kwd>DARPin9_29</kwd><kwd>target radionuclide diagnostic</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">Telugu R.B., Chowhan A.K., Rukmangadha N., Patnayak R., Phaneendra B.V., Prasad B.C., Reddy M.K. 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