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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">mimmun</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская иммунология</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Immunology (Russia)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1563-0625</issn><issn pub-type="epub">2313-741X</issn><publisher><publisher-name>SPb RAACI</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15789/1563-0625-AOS-2228</article-id><article-id custom-type="elpub" pub-id-type="custom">mimmun-2228</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>ИММУНОЛОГИЧЕСКИЕ МЕТОДЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>IMMUNOLOGICAL METHODS</subject></subj-group></article-categories><title-group><article-title>Оценка серологических тестов на антитела к различным антигенам вируса SARS-CoV-2. Сопоставление шести тест-систем</article-title><trans-title-group xml:lang="en"><trans-title>Assessment of serological tests for antibodies to different antigens of the SARS-CoV-2 virus: comparison of six immunoassays</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>Белякова</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Belyakova</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вера Владимировна Белякова – кандидат биологических наук, заведующая централизованной клинико-диагностической лабораторией ГБУЗ</p><p>Москва</p></bio><bio xml:lang="en"><p>Head of the centralized clinical diagnostic laboratory</p></bio><email xlink:type="simple">karnas@mail.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>Майорова</surname><given-names>О. Ан.</given-names></name><name name-style="western" xml:lang="en"><surname>Maiorova</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ольга Андреевна Майорова – доктор медицинских наук, профессор, главный врач.</p><p>Москва</p></bio><bio xml:lang="en"><p>PhD, MD (Medicine),   professor, Chief medical officer</p></bio><email xlink:type="simple">olgamai@mail.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>Иванова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanova</surname><given-names>N, V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Надежда Владимировна Иванова – врач клинической лабораторной диагностики.</p><p>Москва</p></bio><bio xml:lang="en"><p>clinical laboratory specialist</p></bio><email xlink:type="simple">nadya220iv@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>Степанова</surname><given-names>И. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Stepanova</surname><given-names>I. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ирина Евгеньевна Степанова – врач клинической лабораторной диагностики.</p><p>Москва</p></bio><bio xml:lang="en"><p>clinical laboratory specialist</p></bio><email xlink:type="simple">stepanovp@mail.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>Смердова</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Smerdova</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Марина Анатольевна Смердова – ведущий специалист.</p><p>Москва</p></bio><bio xml:lang="en"><p>leading specialist</p></bio><email xlink:type="simple">smerdova@ngs.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>Обрядина</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Obryadina</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анна Петровна Обрядина – доктор биологических наук, заместитель генерального директора.</p><p>Нижний Новгород</p></bio><bio xml:lang="en"><p>PhD, MD (Biology) Deputy General Director</p></bio><email xlink:type="simple">oap7@npods.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Топтыгина</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Toptygina</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анна Павловна Топтыгина – доктор медицинских наук, руководитель лаборатории цитокинов МНИИЭМ имени Г.Н. Габричевского; профессор кафедры иммунологии МГУ имени М.В. Ломоносова.</p><p>125212, Москва, ул. Адмирала Макарова, 10. Тел.: 8 (495) 452-18-01</p></bio><bio xml:lang="en"><p>G.N. Gabrichevsky Research Institute for Epidemiology and Microbiology; M. Lomonosov Moscow State University</p></bio><email xlink:type="simple">toptyginaanna@rambler.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ГБУЗ Центр крови имени О.К. Гаврилова Департамента здравоохранения города Москвы</institution><country>Россия</country></aff><aff xml:lang="en"><institution>O. Gavrilov Blood Center, Moscow Department of Health</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ЗАО Вектор-Бест-Европа</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Vector-Best-Europe CJSC</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Научно-производственное объединение Диагностические системы, ООО</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research and Production Company Diagnostic Systems, Ltd</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>ФБУН Московский научно-исследовательский институт эпидемиологии и микробиологии имени Г.Н. Габричевского Роспотребнадзора; ФГБОУ ВО Московский государственный университет имени М.В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>G.N. Gabrichevsky Research Institute for Epidemiology and Microbiology; M. Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>21</day><month>12</month><year>2021</year></pub-date><volume>23</volume><issue>6</issue><fpage>1395</fpage><lpage>1404</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Белякова В.В., Майорова О.А., Иванова Н.В., Степанова И.Е., Смердова М.А., Обрядина А.П., Топтыгина А.П., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Белякова В.В., Майорова О.А., Иванова Н.В., Степанова И.Е., Смердова М.А., Обрядина А.П., Топтыгина А.П.</copyright-holder><copyright-holder xml:lang="en">Belyakova V.V., Maiorova O.A., Ivanova N.V., Stepanova I.E., Smerdova M.A., Obryadina A.P., Toptygina A.P.</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://www.mimmun.ru/mimmun/article/view/2228">https://www.mimmun.ru/mimmun/article/view/2228</self-uri><abstract><p>Новый коронавирус SARS-CoV-2 явился глобальным вызовом медицине и, в частности, лабораторной диагностике. Исследование уровня антител к SARS-CoV-2 можно использовать как подтверждающий тест при диагностике заболевания, но оно приобретает первостепенное значение при оценке популяционного иммунитета, возникшего в результате заболевания или вакцинации, а также при выборе доноров плазмы реконвалесцентов. Разработанные в нашей стране и зарубежом тест-системы для выявления антител к вирусу SARS-CoV-2 различаются как по способам проведения тестирования, так и по использованным антигенам коронавируса, к которым направлены антитела. Целью настоящего исследования было сравнение диагностической чувствительности и специфичности пяти тест-систем для обнаружения антител класса IgG к вирусу SARS-CoV-2, основанных на разных методах диагностики. Исследованы образцы сыворотки крови от 137 реконвалесцентов COVID-19 и 166 доноров крови и ее компонентов. Контрольную группу составили 50 сывороток крови, собранные в начале 2019 года, и 19 сывороток, собранные в 2018 году (до появления вируса SARSCoV-2) и хранившиеся при -70 °С. Тестирование проводили в аналитических системах: экспресс-тест COVID-19 IgM/IgG Rapid Test (Colloidal Gold) (КНР), на автоматическом иммунохимическом анализаторе Abbott Architect™ i2000 и реагентах SARS-CoV-2-IgG (Abbot, Chicago, IL США), методом хемилюминисценции с использованием автоматического анализатора серии CL и реагентов фирмы Mindray (КНР) SARS-CoV-2 IgM и SARS-CoV-2 IgG и иммуноферментным методом на наборах компаний ООО «Диагностические системы» (г. Нижний Новгород) ДС-ИФА-АНТИ-SARS-CoV-2-G, ООО «Хема» (ФГБУ «НМИЦ гематологии» Минздрава России) SARS-СоV-2-IgG-ИФА и ЗАО «Вектор-Бест» (г. Новосибирск) SARS-CoV-2-IgМ-ИФА-БЕСТ и SARS-CoV-2-IgG-ИФА-БЕСТ. При сопоставлении результатов тестирования 137 образцов плазмы на тест-системах «Вектор-Бест» и Mindray для IgG-антител 127 образцов были положительными, 7 образцов – отрицательными на обеих тест-системах, несовпадение – 2,2%. При исследовании IgM-антител 32,1% были положитель-</p><p>ными, а 52,6% – отрицательными в обеих тест-системах. Процент несовпадений составил 15,3%. Из 166 образцов отрицательной в 5 тест-системах оказалась 1 сыворотка (0,6%). На тест-системе Mindray IgG-антитела к антигенам вируса SARS-CoV-2 выявлены в 165 образцах (99,4%), на «Вектор-Бест» – в 164 сыворотках (98,8%), на «Диагностических системах» – в 151 (90,96%), на Хема – в 154 (92,8%), а на Abbott – в 155 образцах (93,4%). При этом 135 (81,33%) образцов были положительными во всех тест-системах, тогда как 30 образцов имели дискордантные результаты (18,07%), а в 9 сыворотках специфических IgG не обнаруживалось в 2 и более тест-системах. ROC-анализ выявил высокую диагностическую ценность всех исследованных тест-систем (AUC от 0,908 до 0,998), что свидетельствует о высоком качестве разделительной модели положительных и отрицательных образцов (p &lt; 0,001). При заданных производителями тест-систем cut-off чувствительность и специфичность находилась в диапазоне от 82,8% и 93,3% для набора «Диагностические системы» до 99,4% и 95,8% для набора «Вектор-Бест». Рассчитанные коэффициенты корреляции были выше между тест-системами со сходным составом использованного в тест-системе антигена, поэтому наблюдение за динамикой антител лучше проводить в тест-системах одной и той же фирмы-производителя.</p></abstract><trans-abstract xml:lang="en"><p>The new coronavirus SARS-CoV-2 has become a global challenge to medicine and, in particular, laboratory diagnostics. The study of the antibodies’ level to SARS-CoV-2 can be used as a confirmation test in the diagnosis of a disease, but it becomes of paramount importance in assessing population immunity resulting from a disease or vaccination, as well as in selection of convalescent plasma donors. The kits developed in our country and abroad for detecting antibodies to the SARS-CoV-2 virus differ both in the methods of testing and in the used coronavirus antigens to which the antibodies are directed. The aim of this study was to compare the diagnostic sensitivity and specificity of five kits for the detection of IgG antibodies to the SARS-CoV-2 virus, based on different diagnostic methods. Serum samples from 137 COVID-19 convalescents and 166 donors of blood and its components were examined. The control group consisted of 50 blood sera collected at the beginning of 2019 and 19 sera collected in 2018 (before the advent of the SARS-CoV-2 virus) and stored at -70 °C. Testing was carried out in analytical systems: rapid test “COVID-19 IgM/IgG Rapid Test (Colloidal Gold)” (China), on an automatic immunochemical analyzer Abbott Architect™ i2000 and kit “SARS-CoV2-IgG” (Abbot, Chicago , IL USA), by the chemiluminescence method using an automatic analyzer of the CL series and kits of the “Mindray” company (China) “SARS-CoV-2 IgM” and “SARS-CoV-2 IgG” and by the enzyme immunoassay method on the kits of the companies “Diagnostic Systems” Ltd (Russia, Nizhny Novgorod) “DS-IFA-ANTI-SARS-CoV-2-G”, “Xema” Ltd (Federal State Budgetary Institution “National Medical Research Center of Hematology” of the Ministry of Health of Russia) “SARS-CoV-2-IgG-IFA” and “Vector-Best” CJSC (Russia, Novosibirsk)” SARS-COV-2-IgM-IFA-BEST” and “SARS-COV-2-IgG-IFABEST”. When comparing the results of testing 137 plasma samples on the Vector-Best and Mindray kits for IgG antibodies, 127 samples were positive, 7 samples were negative on both kits, the discrepancy was 2.2%. In the study of IgM antibodies, 32.1% were positive, and 52.6% were negative in both kits. The discrepancy rate was 15.3%. Out of 166 samples, 1 serum (0.6%) was negative in 5 kits. On the Mindray kit, IgG antibodies to the antigens of the SARS-CoV-2 virus were detected in 165 samples (99.4%), on Vector-Best – in 164 sera (98.8%), on Diagnostic systems – in 151 (90.96%), on Xema – in 154 (92.8%), and on Abbott – in 155 samples (93.4%). At the same time, 135 (81.33%) samples were positive in all kits, while 30 samples had discordant results (18.07%), and in 9 sera, specific IgG was not detected in 2 or more kits. ROC analysis revealed a high diagnostic value of all tested kits (AUC from 0.908 to 0.998), which indicates a high quality of the separation model of positive and negative samples (p &lt; 0.001). With the cut-off set by the manufacturers, the sensitivity and specificity ranged from 82.8% and 93.3% for the Diagnostic Systems kit to 99.4% and 95.8% for the VectorBest kit. The calculated correlation coefficients were higher between kits with a similar composition of the antigen used in the kits; therefore, it is better to monitor the dynamics of antibodies by diagnostic kits from the same manufacturer.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>SARS-CoV-2</kwd><kwd>диагностика COVID-19</kwd><kwd>антитела</kwd><kwd>сопоставление тест-систем</kwd><kwd>S-белок</kwd><kwd>N-белок</kwd></kwd-group><kwd-group xml:lang="en"><kwd>SARS-CoV-2</kwd><kwd>COVID-19 diagnostics</kwd><kwd>antibodies</kwd><kwd>comparison of kits</kwd><kwd>S-protein</kwd><kwd>N-protein</kwd></kwd-group><funding-group><funding-statement xml:lang="en">SARS-CoV-2; COVID-19 diagnostics; antibodies; comparison of kits; S-protein; N-protein</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">Гильмутдинов Р.Г., Ишбулдина А.М., Тюкина Л.Ю., Захарова И.В., Кузнецов С.И., Жибурт Е.Б. 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