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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">Russian Journal of Infection and Immunity</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Infection and Immunity</journal-title><trans-title-group xml:lang="ru"><trans-title>Инфекция и иммунитет</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2220-7619</issn><issn publication-format="electronic">2313-7398</issn><publisher><publisher-name xml:lang="en">SPb RAACI</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">328</article-id><article-id pub-id-type="doi">10.15789/2220-7619-2015-3-233-242</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">NEPHRITOGENIC ACTIVITY OF STREPTOCOCCUS PYOGENES emm1 AND emm12 GENOTYPES ISOLATED FROM PATIENTS AND ASYMPTOMATIC CARRIERS</article-title><trans-title-group xml:lang="ru"><trans-title>НЕФРИТОГЕННАЯ АКТИВНОСТЬ STREPTOCOCCUS PYOGENES ГЕНОТИПОВ emm1 и emm12, РАЗЛИЧАЮЩИХСЯ ПО ИСТОЧНИКУ ВЫДЕЛЕНИЯ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Burova</surname><given-names>L. A.</given-names></name><name xml:lang="ru"><surname>Бурова</surname><given-names>Л. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p/><p/><p/><p> PhD, MD (Medicine), Leading Researcher, Department of Molecular Microbiology, Institute of Experimental Medicine, St. Petersburg, Russian Federation;</p></bio><bio xml:lang="ru"><p/><p/><p/><p>д.м.н., ведущий научный сотрудник отдела молекулярной микробиологии ФГБНУ Институт экспериментальной медицины, Санкт-Петербург, Россия; </p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Pigarevsky</surname><given-names>P. V.</given-names></name><name xml:lang="ru"><surname>Пигаревский</surname><given-names>П. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p/><p/><p/><p>PhD, MD (Biology), Head of Department of General Morphology, Institute of Experimental Medicine, St. Petersburg, Russian Federation; </p></bio><bio xml:lang="ru"><p/><p/><p/><p>д.б.н., руководитель отдела общей морфологии ФГБНУ Институт экспериментальной медицины, Санкт-Петербург, Россия; </p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Snegova</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Снегова</surname><given-names>В. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p/><p/><p/><p>Researcher, Department of General Morphology, Institute of Experimental Medicine, St. Petersburg, Russian Federation; </p></bio><bio xml:lang="ru"><p/><p/><p/><p>научный сотрудник отдела общей морфологии ФГБНУ Институт экспериментальной медицины, Санкт-Петербург, Россия; </p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kuleshevich</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Кулешевич</surname><given-names>Е. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p/><p/><p/><p>Junior Researcher, Department of Molecular Microbiology, Institute of Experimental Medicine, St. Petersburg, Russian Federation; </p></bio><bio xml:lang="ru"><p/><p/><p/><p>младший научный сотрудник отдела молекулярной микробиологии ФГБНУ Институт экспериментальной медицины, Санкт-Петербург, Россия; </p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zharkov</surname><given-names>D. A.</given-names></name><name xml:lang="ru"><surname>Жарков</surname><given-names>Д. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p/><p/><p/><p>Lecturer, Department of Epidemiology, Military Medical Academy, St. Petersburg, Russian Federation; </p></bio><bio xml:lang="ru"><p/><p/><p/><p>преподаватель кафедры эпидемиологии Военно-медицинской академии им. С.М. Кирова МО РФ, Санкт-Петербург, Россия; </p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Schalen</surname><given-names>C.</given-names></name><name xml:lang="ru"><surname>Шален</surname><given-names>К.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p/><p/><p/><p>PhD, MD (Medicine), Department of Medical Microbiology, Lund University, Lund, Sweden; </p></bio><bio xml:lang="ru"><p/><p/><p/><p>д.м.н., отдел медицинской микробиологии Лундского Университета, Лунд, Швеция; </p></bio><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Totolian</surname><given-names>Artem A.</given-names></name><name xml:lang="ru"><surname>Тотолян</surname><given-names>Артем А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p/><p/><p/><p>PhD, MD (Medicine), Academician of the Russian Academy of Sciences, Head Researcher, Department of Molecular Microbiology, Institute of Experimental Medicine, St. Petersburg, Russian Federation. </p></bio><bio xml:lang="ru"><p/><p/><p/><p> д.м.н., академик РАН, главный научный сотрудник отдела молекулярной микробиологии ФГБНУ Институт экспериментальной медицины, Санкт-Петербург, Россия. </p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Experimental Medicine, St. Petersburg, Russia</institution></aff><aff><institution xml:lang="ru">ФГБНУ Институт экспериментальной медицины, Санкт-Петербург, Россия</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Military Medical Academy, St. Petersburg, Russia</institution></aff><aff><institution xml:lang="ru">оенно-медицинская академия им. С.М. Кирова МО РФ, Санкт-Петербург, Россия</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Lund University, Lund, Sweden</institution></aff><aff><institution xml:lang="ru">Лундский Университет, Лунд, Швеция</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2015-12-01" publication-format="electronic"><day>01</day><month>12</month><year>2015</year></pub-date><volume>5</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>233</fpage><lpage>242</lpage><history><date date-type="received" iso-8601-date="2015-11-30"><day>30</day><month>11</month><year>2015</year></date><date date-type="accepted" iso-8601-date="2015-11-30"><day>30</day><month>11</month><year>2015</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2015, Burova L.A., Pigarevsky P.V., Snegova V.A., Kuleshevich E.V., Zharkov D.A., Schalen C., Totolian A.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2015, Бурова Л.А., Пигаревский П.В., Снегова В.А., Кулешевич Е.В., Жарков Д.А., Шален К., Тотолян А.А.</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="en">Burova L.A., Pigarevsky P.V., Snegova V.A., Kuleshevich E.V., Zharkov D.A., Schalen C., Totolian A.A.</copyright-holder><copyright-holder xml:lang="ru">Бурова Л.А., Пигаревский П.В., Снегова В.А., Кулешевич Е.В., Жарков Д.А., Шален К., Тотолян А.А.</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://iimmun.ru/iimm/article/view/328">https://iimmun.ru/iimm/article/view/328</self-uri><abstract xml:lang="en"><p>In this paper the nephritogenic activity of Streptococcus pyogenes genotype <italic>emm</italic>1 and <italic>emm</italic>12 clinical isolates from scarlet fever patients and healthy children was considered. As earlier established, strains of these types differ in Fc-binding profile, interacting with native IgG and immune complexes (IC), respectively. As expected, all the type <italic>emm</italic>1 strains bound native IgG; besides, ICs interacted only with strains from patients but not with those from carriers. In contrast, all type <italic>emm</italic>12 strains appeared to be negative for native IgG, whereas ICs were bound by strains from patients exclusively. None of the tested strains bound IgG3. By immunization of rabbits, binding of native IgG as well as ICs was associated with increasing of anti-IgG antibodies titer, formation of ICs, «crescent» deposition of IgG and C3-complement, local production of the proinflammatory cytokine TNFα, аnd also with accumulation of lymphocytes in kidney tissue. These signs indicated immune inflammation, leading to experimental membrane-proliferative glomerulonephritis (PSGN). It is known that PSGN development depends on IC-binding by tissue FcγR, on complement activation as well as on tissue infiltration by macrophages/monocytes. According to the data of morphometric evaluation the nephritogenic activity of the type <italic>emm</italic>12 strains exceeded those of type <italic>emm</italic>1. On testing of three IC-binding <italic>emm</italic>12 strains in six rabbits, typical PSGN developed in 5 of them and an abortive process in 1 animal. In case of five IgG-binding type <italic>emm</italic>1 strains, out of ten rabbits full-blown PSGN was observed only in 3 of them, but abortive changes in 5 and negative result in 2 animals. No pathologic changes were elicited by the «carrier» strains of either genotype; the inability of these to bind ICs, according to literature data, could be explained by mutation in the Mga-regulator gene thereby impeding M-proteins synthesis. We conclude that isolation of type <italic>emm</italic>12 IC-binding strains at acute streptococcal infection should be considered a high risk-factor for postinfectious sequelae development. The rabbit model of PSGN used in this research thus allowed to reveal some main stages and features of its pathogenesis. </p></abstract><trans-abstract xml:lang="ru"><p>В статье рассматривается нефритогенная активность штаммов <italic>Streptococcus pyogenes </italic>генотипов <italic>emm</italic>1 и <italic>emm</italic>12, различающихся по Fc-рецепции нативного IgG и иммунных комплексов (IC) и выделенных от детей, больных скарлатиной и здоровых носителей. Все штаммы типа <italic>emm</italic>1 связывали нативный IgG, между тем как IC взаимодействовали только со штаммами от больных и не связывались штаммами от носителей. Наоборот, все штаммы типа <italic>emm</italic>12 оказались негативными в отношении нативного IgG, а IC связывались исключительно штаммами от больных. Ни один из испытанных штаммов не связывал IgG3. Связывание обеих форм IgG сопровождалось накоплением анти-IgG антител, формированием IC, «серповидной» депозицией IgG в почечной ткани, отложением С3-комплемента, продукцией провоспалительного цитокина TNFα, а также аккумуляцией лимфоцитов в корковом и мозговом слоях ткани. Перечисленные признаки являются по существу проявлениями развивающегося иммунного воспаления, ведущего к моделированию мембранозно-пролиферативного гломерулонефрита (PSGN). По имеющимся данным, в его основе лежат: связывание иммунных комплексов тканевыми FcγR, активация комплемента, провоспалительная активность цитокинов и лимфоцитарная инфильтрация ткани. По данным морфометрической оценки, нефритогенная активность штаммов генотипа <italic>emm</italic>12 превышала таковую штаммов генотипа <italic>emm</italic>1. При испытании трех IC-связывающих штаммов <italic>emm</italic>12 на шести кроликах, выраженный PSGN имел место у 5-ти, а абортивный процесс — лишь у одного животного. В случае же испытания пяти IgG-связывающих штаммов типа <italic>emm</italic>1 на десяти кроликах выраженный PSGN наблюдался всего у 3-х, абортивный — у 5-ти и негативный результат — у 2-х животных. Изменения не происходили при испытании «носительских» штаммов обоих генотипов, неспособных связывать IC, что, согласно литературе, может быть связано с мутацией в гене Mga-регулятора и, соответственно, нарушениями в синтезе М-белков. Поэтому выделение IC-связывающих штаммов типа <italic>emm</italic>12 при острой стрептококковой инфекции должно рассматриваться в качестве высокого фактора риска развития постинфекционного осложнения — PSGN. Используемая в работе модель PSGN позволяет вскрыть основные этапы и черты его патогенеза. </p></trans-abstract><kwd-group xml:lang="en"><kwd>postinfectious glomerulonephritis</kwd><kwd>Streptococcus pyogenes</kwd><kwd>Fc-reception</kwd><kwd>IgG</kwd><kwd>immune complexes</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>постинфекционный гломерулонефрит</kwd><kwd>Streptococcus pyogenes</kwd><kwd>Fc-рецепция</kwd><kwd>IgG</kwd><kwd>иммунные комплексы</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>1. Тотолян А.А., Бурова Л.А., Нагорнев В.А., Пигаревский П.В. Анализ механизмов иммунопатологического пост-стрептококкового гломерулонефрита // Терапевтический архив. 2008. Т. 80, № 6. С. 90–95. [Totolian A.A., Burova L.A., Nagornev V.A., Pigarevskay P.V. Analysis mechanisms of immunopathological post-streptococcal glomerulonephritis. Terapevticheskii arkhiv = Therapeutic Archive, 2008, vol. 80, no. 6, pp. 90–95. 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