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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 Immunology</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Immunology</journal-title><trans-title-group xml:lang="ru"><trans-title>Russian Journal of Immunology</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1028-7221</issn><issn publication-format="electronic">2782-7291</issn><publisher><publisher-name xml:lang="en">Russian Society of Immunology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">869</article-id><article-id pub-id-type="doi">10.31857/S102872210002385-8</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">Antipeptide activity of intestinal microsyмbyonts for the state of intestinal homeostasis estimation</article-title><trans-title-group xml:lang="ru"><trans-title>Антипептидная активность кишечных микросимбионтов для оценки состояния кишечного гомеостаза</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bondarenko</surname><given-names>T. .</given-names></name><name xml:lang="ru"><surname>Бондаренко</surname><given-names>Т. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Danilova</surname><given-names>E. .</given-names></name><name xml:lang="ru"><surname>Данилова</surname><given-names>Е. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Chainikova</surname><given-names>I. .</given-names></name><name xml:lang="ru"><surname>Чайникова</surname><given-names>И. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Chelpachenko</surname><given-names>O. .</given-names></name><name xml:lang="ru"><surname>Челпаченко</surname><given-names>О. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ivanova</surname><given-names>E. .</given-names></name><name xml:lang="ru"><surname>Иванова</surname><given-names>Е. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Perunova</surname><given-names>N. .</given-names></name><name xml:lang="ru"><surname>Перунова</surname><given-names>Н. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nikiforov</surname><given-names>I. .</given-names></name><name xml:lang="ru"><surname>Никифоров</surname><given-names>И. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute for Cellular and Intracellular Symbiosis of Ural Branch of RAS</institution></aff><aff><institution xml:lang="ru">Институт клеточного и внутриклеточного симбиоза</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Orenburg State Medical University</institution></aff><aff><institution xml:lang="ru">Оренбургский государственный медицинский университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2018-07-15" publication-format="electronic"><day>15</day><month>07</month><year>2018</year></pub-date><volume>21</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>222</fpage><lpage>226</lpage><history><date date-type="received" iso-8601-date="2020-10-22"><day>22</day><month>10</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2018, Bondarenko T..., Danilova E..., Chainikova I..., Chelpachenko O..., Ivanova E..., Perunova N..., Nikiforov I...</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2018, Бондаренко Т.А., Данилова Е.И., Чайникова И.Н., Челпаченко О.Е., Иванова Е.В., Перунова Н.Б., Никифоров И.А.</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="en">Bondarenko T..., Danilova E..., Chainikova I..., Chelpachenko O..., Ivanova E..., Perunova N..., Nikiforov I...</copyright-holder><copyright-holder xml:lang="ru">Бондаренко Т.А., Данилова Е.И., Чайникова И.Н., Челпаченко О.Е., Иванова Е.В., Перунова Н.Б., Никифоров И.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://rusimmun.ru/jour/article/view/869">https://rusimmun.ru/jour/article/view/869</self-uri><abstract xml:lang="en"><p>The paper presents the results of antipeptide activity against pro (TNFα, IFN-γ, IL-6, IL-17) and anti-infl ammatory (IL-10) cytokines of exometabolites of the intestinal microfl ora, isolated in patients with eubiosis, dysbiosis of the large intestine and reactive arthritis. Diff erences in strains of normofl ora and opportunistic microorganisms isolated from various sources, the spectrum of cytokines and the level of their decrease their content in the culture medium were determined upon co-cultivation with exometabolites of the cultures of microorganisms under study. The results obtained can be used to assess the immunoregulatory properties of microfl ora in various microecological conditions of the human colon and in extraintestinal infl ammatory pathology.</p></abstract><trans-abstract xml:lang="ru"><p>В работе приведены результаты исследования антипептидной активности в отношении про(TNFα, IFN-γ, IL-6, IL-17) и противовоспалительных (IL-10) цитокинов экзометаболитов кишечной микрофлоры, выделенной у пациентов с эубиозом, дисбиозом толстого кишечника и реактивным артритом. Установлены различия у штаммов нормофлоры и условно-патогенных микроорганизмов, выделенных из различных источников, по спектру цитокинов и уровню снижения их содержания в культуральной среде при сокультивировании с экзометаболитами исследуемых культур микроорганизмов. Полученные результаты можно использовать для оценки иммунорегуляторных свойств микрофлоры при различных микроэкологических состояниях толстого кишечника человека и при внекишечной воспалительной патологии.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>intestinal microsymbionts</kwd><kwd>cytokines</kwd><kwd>dysbiosis</kwd><kwd>reactive arthritis</kwd><kwd>кишечные микросимбионты</kwd><kwd>цитокины</kwd><kwd>дисбиоз</kwd><kwd>реактивный артрит</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Peterson C. T., Sharma V., Elmén L., Peterson S. N. Immune homeostasis, dysbiosis and therapeutic modulation of the gut microbiota. 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