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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">375</article-id><article-id pub-id-type="doi">10.17650/2313-805X-2021-8-3-8-13</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>RESEARCH ARTICLES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ЭКСПЕРИМЕНТАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="ru">Сравнительное исследование хромогранина А и хромогранина В у больных с нейроэндокринными опухолями желудка и поджелудочной железы</article-title><trans-title-group xml:lang="en"><trans-title/></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0430-2754</contrib-id><name-alternatives><name xml:lang="en"><surname>Lyubimova</surname><given-names>N. V.</given-names></name><name xml:lang="ru"><surname>Любимова</surname><given-names>Н. 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>biochimia@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9305-6713</contrib-id><name-alternatives><name xml:lang="en"><surname>Timofeev</surname><given-names>Yu. S.</given-names></name><name xml:lang="ru"><surname>Тимофеев</surname><given-names>Ю. С.</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/0000-0001-5881-1795</contrib-id><name-alternatives><name xml:lang="en"><surname>Lebedeva</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Лебедева</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><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3898-4127</contrib-id><name-alternatives><name xml:lang="en"><surname>Kushlinskii</surname><given-names>N. E.</given-names></name><name xml:lang="ru"><surname>Кушлинский</surname><given-names>Н. Е.</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-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Blokhin National Cancer Research Center, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный исследовательский медицинский центр онкологии им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-09-15" publication-format="electronic"><day>15</day><month>09</month><year>2021</year></pub-date><volume>8</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>8</fpage><lpage>13</lpage><history><date date-type="received" iso-8601-date="2021-11-02"><day>02</day><month>11</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Lyubimova N.V., Timofeev Y.S., Lebedeva A.V., Kushlinskii N.E.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, Любимова Н.В., Тимофеев Ю.С., Лебедева А.В., Кушлинский Н.Е.</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">Lyubimova N.V., Timofeev Y.S., Lebedeva A.V., Kushlinskii N.E.</copyright-holder><copyright-holder xml:lang="ru">Любимова Н.В., Тимофеев Ю.С., Лебедева А.В., Кушлинский Н.Е.</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/375">https://umo.abvpress.ru/jour/article/view/375</self-uri><abstract xml:lang="en"><p>Introduction. Immunoenzyme assay of biochemical markers is one of the most important methods for examination of pa- tients with neuroendocrine tumors (NETs). Along with the generally accepted NET marker chromogranin A (CgA), another member of the granin family, chromogranin B (CgB), can serve as a complementary marker.</p><p>Objectives. Analysis of CgB as an additional to CgA biochemical marker in the blood serum of patients with gastric and pancreatic neuroendocrine tumors.</p><p><bold>Materials and methods. </bold>We examined 79 patients with gastic (n = 14) and pancretic (n = 65) NETS, and 42 particularly healthy people, who were included in the control group. CgB and CgA were determined with ELISA method using the Human Chromogranin B (USCN, China) and Chromogranin A NEOLISA (Eurodiagnostica, Sweden) test systems.</p><p>,</p><p> </p><p>Results. CgB levels in gastric and pancreatic NETs were significantly higher than in control group. CgB concentrations were independent of tumor spread and its biological activity. ROC analysis in common group of NETs relative to control group showed AUC for CgB = 0.869 and for CgA AUC = 0.82. According to results in common group of NET patients when used isolated, CgA and CgB have comparable diagnostic sensitivity, which increases in complex use to 82.5 %. In the group of NET patients with low levels of CgA (&lt;100 ng/ml), an increase in CgB concentration above the cut-off level (&gt;15.7 ng/ml) was observed in 53.6 % of cases.</p><p>Conclusion. The combination of CgB and CgA in gastric and pancreatic NETs could increase the diagnostic efficacy of bio- chemical diagnostics. The received data confirms the significance of CgB as a complementary biomarker of NETs.</p></abstract><trans-abstract xml:lang="ru"><p>Введение. иммуноферментный анализ биохимических маркеров является одним из важнейших методов диагностики нейроэндокринных опухолей (НЭО). Общепризнанным маркером данной патологии служит хромогранин а (ХгА), а комплементарным – хромогранин В (ХгВ).</p><p>Цель исследования – изучить ХгВ в качестве дополнительного к ХгА биохимического маркера в сыворотке крови больных с НЭО желудка и поджелудочной железы.</p><p><bold>Материалы и методы. </bold>Были обследованы 79 пациентов с НЭО желудка (n = 14) и поджелудочной железы (n = 65), а также 42 практически здоровых человека, которые вошли в контрольную группу. Хромогранин А и хромографин B определяли методом иммуноферментного анализа с помощью тест-систем Human Chromogranin B (USCN, Китай) и Chromogranin A NEOLISA (Eurodiagnostica, Швеция).</p><p>Результаты. Уровни ХгВ в группе НЭО желудка и поджелудочной железы были значимо выше, чем в контрольной группе. концентрация ХгВ не зависела от степени распространенности процесса и биологической активности новообразования. ROC-анализ показал, что в общей группе НЭэО относительно группы контроля значение площади под кривой (AUс) для ХгВ составило 0,869, а для ХгА – 0,82. по результатам статистического анализа в общей группе больных НЭО при изолированном использовании ХгА и ХгВ имели сопоставимую диагностическую чувствительность, которая повышалась при их совместном применении до 82,5 %. В группе больных НЭО с низким уровнем ХгА (&lt;100 нг/мл) в 53,6 % случаев наблюдалась концентрация ХгВ выше порогового уровня (&gt;15,7 нг/мл).</p><p>Заключение. комплексное применение ХгВ и ХгА при НЭО поджелудочной железы и желудка способно повысить диагностическую эффективность биохимической диагностики. полученные данные подтверждают значение ХгВ в качестве комплементарного биомаркера НЭО.</p></trans-abstract><kwd-group xml:lang="en"><kwd>chromogranin A</kwd><kwd>chromogranin B</kwd><kwd>biochemical marker</kwd><kwd>neuroendocrine tumors</kwd><kwd>diagnosis</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>хромогранин А</kwd><kwd>хромогранин В</kwd><kwd>биохимический маркер</kwd><kwd>нейроэндокринная опухоль</kwd><kwd>диагностика</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Oberg K. Circulating biomarkers in gastroenteropancreatic neuroendocrine tumours. Endocr Relat Cancer 2011;18(1):17–25. 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