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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">10.15789/1563-0625-2017-6-771-778</article-id><article-id custom-type="elpub" pub-id-type="custom">mimmun-1401</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>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>ГЕТЕРОГЕННОСТЬ НУКЛЕАЗНОЙ АКТИВНОСТИ ПОЛИКЛОНАЛЬНЫХ ИММУНОГЛОБУЛИНОВ ПРИ РЕВМАТОИДНОМ И РЕАКТИВНОМ АРТРИТАХ</article-title><trans-title-group xml:lang="en"><trans-title>HETEROGENEITY OF POLYCLONAL IMMUNOGLOBULINS NUCLEASE ACTIVITY IN RHEUMATOID AND REACTIVE ARTHRITIS</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>Волкова</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Volkova</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., старший научный сотрудник научно-исследовательской лаборатории ГУО «Белорусская государственная медицинская академия последипломного образования»</p><p>220013, Республика Беларусь, г. Минск, ул. П. Бровки, 3, корп. 3.</p></bio><bio xml:lang="en"><p>PhD (Medicine), Senior Research Associate, The Research Laboratory, Belorussian Medical Academy of Postgraduate Education</p><p>220013, Republic of Belarus, Minsk, Brovki str., 3, bldg 3.</p></bio><email xlink:type="simple">margovolkova@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>Кундер</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kunder</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н., профессор, профессор кафедры кардиологии и ревматологии ГУО «Белорусская государственная медицинская академия последипломного образования»</p></bio><bio xml:lang="en"><p>PhD (Medicine), Professor, Professor, Department of Cardiology and Rheumatology, Belorussian Medical Academy of Postgraduate Education</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Генералов</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Generalov</surname><given-names>I. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н., профессор, заведующий кафедрой клинической микробиологии УО «Витебский государственный медицинский университет»</p></bio><bio xml:lang="en"><p>PhD, MD (Medicine), Professor, Head, Department of Clinical Microbiology, Vitebsk State Medical University</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петрович</surname><given-names>Д. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Petrovich</surname><given-names>D. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>соискатель кафедры кардиологии и ревматологии ГУО «Белорусская государственная медицинская академия последипломного образования»</p></bio><bio xml:lang="en"><p>Postgraduate Student, Department of Cardiology and Rheumatology, Belorussian Medical Academy of Postgraduate Education</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ГУО «Белорусская государственная медицинская академия последипломного образования»</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Belorussian Medical Academy of Postgraduate Education</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>УО «Витебский государственный медицинский университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Vitebsk State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>05</day><month>12</month><year>2017</year></pub-date><volume>19</volume><issue>6</issue><fpage>771</fpage><lpage>778</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Волкова М.В., Кундер Е.В., Генералов И.И., Петрович Д.М., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Волкова М.В., Кундер Е.В., Генералов И.И., Петрович Д.М.</copyright-holder><copyright-holder xml:lang="en">Volkova M.V., Kunder A.V., Generalov I.I., Petrovich D.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://www.mimmun.ru/mimmun/article/view/1401">https://www.mimmun.ru/mimmun/article/view/1401</self-uri><abstract><p>В последние годы активно исследуются каталитические свойства иммуноглобулинов.Установлено, что нуклеазная активность иммуноглобулинов повышается при системных аутоиммунных заболеваниях. Учитывая патогенетические особенности ревматоидного артрита и реактивного артрита, целесообразным является уточнение характера нуклеазной активности при данных заболеваниях. Этому может послужить определение ДНКазной активности иммуноглобулинов с использованием различных ДНК-субстратов и поиск специфических субстратов для конкретных нозологических единиц.Целью работы является определение ДНКазной активности поликлональных иммуноглобулинов класса G при ревматоидном и реактивном артрите с использованием различных методов.Для оценки нуклеазной активности используются различные методы. В настоящей работе изложены разработанные и модифицированные нами методики для определения ДНКазной активности поликлональных иммуноглобулинов класса G. Особое внимание уделено электрофоретическому методу оценки ДНКазной активности. Материалом для исследования являются поликлональные иммуноглобулины класса G, выделенные из сыворотки крови пациентов с ревматоидным артритом и реактивным артритом.Выводы: 1. В сыворотке пациентов с ревматоидным артритом, реактивным артритом присутствуют антитела, обладающие дезоксирибонуклеазной активностью. 2. ДНКазные абзимы проявляют гетерогенную способность гидролизовать различные ДНК-субстраты. 3. Абзимный гидролиз ДНК-субстратов длиной более 700 пар оснований более выражен по сравнению с ДНК-субстратами короткой (100 пар оснований) длины.</p></abstract><trans-abstract xml:lang="en"><p>Catalytic properties of immunoglobulins are widely studied within recent years. It was found that nuclease activity of immunoglobulins is increased in systemic autoimmune diseases. Given some pathogenetic features of rheumatoid arthritis and reactive arthritis, it is appropriate to clarify the nature of nuclease activity in these diseases. Determination of DNAse activity of immunoglobulins with different DNA substrates, and search for specific substrates for distinct clinical entities could serve these purposes. The aim of present work is to determine DNase activity of the polyclonal class G immunoglobulins in rheumatoid and reactive arthritis using various methods.Different methods are used to evaluate nuclease activity. In this paper we present newly developed and modified techniques for determination of DNAse activity of polyclonal IgGs. Particular attention was paid to the electrophoretic method of DNase activity assessment. Polyclonal IgG isolated from blood serum of patients with rheumatoid arthritis and reactive arthritis were used for assays. In this study, we demonstrated the presence of an inhomogeneous DNase activity of immunoglobulins in relation to different substrates.Along with calf thymus DNA, we used bacterial plasmid DNA and PCR products based on bacterial gene sequences. Levels of DNase activity by rivanol clot method with calf thymus DNA as substrate proved to be higher in patients with rheumatoid arthritis than the control values (p &lt; 0.01). DNase abzyme activity in patients with rheumatoid arthritis was elevated, as compared to the patients with reactive arthritis (p &lt; 0.01).When examining ability of the IgG to hydrolyze procaryotic DNA (bacterial plasmid DNA and PCR products, based on bacterial genes), we obtained heterogeneous results. Different Ig samples showed varying degrees of DNA hydrolysis. Abzyme hydrolysis of DNA substrates longer than 700 bp was more pronounced, as compared to short DNA substrates (100 base pairs).Conclusions: 1) antibodies having deoxyribonucleic activity are present in serum of patients with rheumatoid arthritis, reactive arthritis; 2)DNase abzymes exhibit heterogeneous ability to hydrolyze various DNA substrates; 3) Abzyme-medicted hydrolysis of DNA substrates longer than 700 base pairs is more pronounced, as compared to a short DNA substrates (100 bp) length.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>иммуноглобулины</kwd><kwd>абзимы</kwd><kwd>нуклеазная активность</kwd><kwd>гетерогенность</kwd><kwd>ревматоидный артрит</kwd><kwd>реактивный артрит</kwd></kwd-group><kwd-group xml:lang="en"><kwd>immunoglobulins</kwd><kwd>abzymes</kwd><kwd>nuclease activity</kwd><kwd>heterogeneity</kwd><kwd>rheumatoid arthritis</kwd><kwd>reactive arthritis</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">Волкова М.В., Кундер Е.В., Генералов И.И. 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