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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Advances in Molecular Oncology</journal-id><journal-title-group><journal-title xml:lang="en">Advances in Molecular Oncology</journal-title><trans-title-group xml:lang="ru"><trans-title>Успехи молекулярной онкологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2313-805X</issn><issn publication-format="electronic">2413-3787</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">134</article-id><article-id pub-id-type="doi">10.17650/2313-805X-2018-5-1-35-42</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>EXPERIMENTAL RESEARCH</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Target liquid biopsy using “enriched” polymerase chain reaction and DNA melting analysis</article-title><trans-title-group xml:lang="ru"><trans-title>Таргетная жидкостная биопсия посредством «обогащенной» полимеразной цепной реакции и анализа плавления ДНК</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0297-4963</contrib-id><name-alternatives><name xml:lang="en"><surname>Botezatu</surname><given-names>I. V.</given-names></name><name xml:lang="ru"><surname>Ботезату</surname><given-names>И. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1323-8638</contrib-id><name-alternatives><name xml:lang="en"><surname>Panchuk</surname><given-names>I. O.</given-names></name><name xml:lang="ru"><surname>Панчук</surname><given-names>И. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6762-9511</contrib-id><name-alternatives><name xml:lang="en"><surname>Kolomeytseva</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Коломейцева</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4927-5585</contrib-id><name-alternatives><name xml:lang="en"><surname>Fedenko</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Феденко</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mazurenko</surname><given-names>N. N.</given-names></name><name xml:lang="ru"><surname>Мазуренко</surname><given-names>Н. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tsyganova</surname><given-names>I. V.</given-names></name><name xml:lang="ru"><surname>Цыганова</surname><given-names>И. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Susova</surname><given-names>O. Yu.</given-names></name><name xml:lang="ru"><surname>Сусова</surname><given-names>О. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0614-8789</contrib-id><name-alternatives><name xml:lang="en"><surname>Kondratova</surname><given-names>V. N.</given-names></name><name xml:lang="ru"><surname>Кондратова</surname><given-names>В. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9837-7273</contrib-id><name-alternatives><name xml:lang="en"><surname>Shelepov</surname><given-names>V. P.</given-names></name><name xml:lang="ru"><surname>Шелепов</surname><given-names>В. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0190-5069</contrib-id><name-alternatives><name xml:lang="en"><surname>Lichtenstein</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Лихтенштейн</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><email>alicht@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Research Institute of Carcinogenesis, N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">НИИ канцерогенеза ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Research Institute of Clinical Oncology, N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">НИИ клинической онкологии ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2018-01-15" publication-format="electronic"><day>15</day><month>01</month><year>2018</year></pub-date><volume>5</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>35</fpage><lpage>42</lpage><history><date date-type="received" iso-8601-date="2018-05-14"><day>14</day><month>05</month><year>2018</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2018, Botezatu I.V., Panchuk I.O., Kolomeytseva A.A., Fedenko A.A., Mazurenko N.N., Tsyganova I.V., Susova O.Y., Kondratova V.N., Shelepov V.P., Lichtenstein A.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2018, Ботезату И.В., Панчук И.О., Коломейцева А.А., Феденко А.А., Мазуренко Н.Н., Цыганова И.В., Сусова О.Ю., Кондратова В.Н., Шелепов В.П., Лихтенштейн А.В.</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="en">Botezatu I.V., Panchuk I.O., Kolomeytseva A.A., Fedenko A.A., Mazurenko N.N., Tsyganova I.V., Susova O.Y., Kondratova V.N., Shelepov V.P., Lichtenstein A.V.</copyright-holder><copyright-holder xml:lang="ru">Ботезату И.В., Панчук И.О., Коломейцева А.А., Феденко А.А., Мазуренко Н.Н., Цыганова И.В., Сусова О.Ю., Кондратова В.Н., Шелепов В.П., Лихтенштейн А.В.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://umo.abvpress.ru/jour/article/view/134">https://umo.abvpress.ru/jour/article/view/134</self-uri><abstract xml:lang="en"><p><bold>Objective:</bold> to evaluate the possibility of using a highly sensitive method of “enriched” polymerase chain reaction followed by DNA melting analysis (PCR-DMA) for target liquid biopsy of cancer patients.</p><p><bold>Materials and methods.</bold> The “enriched” PCR-DMA was used for mutation scanning of KRAS (codons 12 and 13) in tumor and blood plasma of 20 patients with colorectal cancer.</p><p><bold>Results.</bold> Activated oncogene was found in tumor tissue of 16 patients and in blood plasma of 5 patients (confirmed by sequencing). Mutant KRAS alleles were also found in tumor and plasma of another 2 patients, but in very low concentrations that did not allow their validation by Sanger sequencing. Thus, in our study the target liquid biopsy was successful in ~35 % patients. Since the plasma tests were carried out after repeated medical procedures causing mass death of tumor cells, the actual efficiency of this approach may appear significantly higher.</p></abstract><trans-abstract xml:lang="ru"><p/></trans-abstract><kwd-group xml:lang="en"><kwd>liquid biopsy</kwd><kwd>mutation scanning</kwd><kwd>DNA melting analysis</kwd><kwd>KRAS</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>жидкостная биопсия</kwd><kwd>сканирование мутаций</kwd><kwd>плавление ДНК</kwd><kwd>KRAS</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">1. Adalsteinsson V.A., Ha G., Freeman S.S. et al. 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