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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">1614</article-id><article-id pub-id-type="doi">10.15789/2220-7619-POS-1614</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>SHORT COMMUNICATIONS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Profile of several autoantibodies, complement and vitamin D levels in Brazilian patients with Chikungunya infection</article-title><trans-title-group xml:lang="ru"><trans-title>Профиль уровней некоторых аутоантител, комплемента и витамина D у больных с инфекцией Чикунгунья в Бразилии</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7957-0844</contrib-id><name-alternatives><name xml:lang="en"><surname>Carvalho</surname><given-names>J. F.</given-names></name><name xml:lang="ru"><surname>Карвальо</surname><given-names>Дж. Ф.</given-names></name></name-alternatives><address><country country="BR">Brazil</country></address><bio xml:lang="en"><p><bold>Jozélio Freire Carvalho, </bold> MD, PhD, Institute for Health Sciences </p><p>Salvador</p></bio><bio xml:lang="ru"><p><bold>Джозелио Фрейре Карвальо, </bold> д.н., кафедра здравоохранения  </p><p>г. Салвадор</p></bio><email>jotafc@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Cordeiro</surname><given-names>L. R.</given-names></name><name xml:lang="ru"><surname>Кордейро</surname><given-names>Л. Р.</given-names></name></name-alternatives><address><country country="BR">Brazil</country></address><bio xml:lang="en"><p>Graduate Student, Bahian School of Medicine and Public Health </p><p>Salvador</p></bio><bio xml:lang="ru"><p>аспирант Школы медицины и здравоохранения Баии  </p><p>г. Салвадор</p></bio><email>luisacordeiro16.2@bahiana.edu.br</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Silva</surname><given-names>F. F.</given-names></name><name xml:lang="ru"><surname>Силва</surname><given-names>Ф. Ф.</given-names></name></name-alternatives><address><country country="BR">Brazil</country></address><bio xml:lang="en"><p>MD, Doctoral Student, Clinics Hospital of Faculty of Medicine </p><p>São Paulo</p></bio><bio xml:lang="ru"><p>докторант академической клиники факультета медицины </p><p>г. Сан-Паулу</p></bio><email>felipefreire_silva@hotmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mota</surname><given-names>L.</given-names></name><name xml:lang="ru"><surname>Мота</surname><given-names>Л.</given-names></name></name-alternatives><address><country country="BR">Brazil</country></address><bio xml:lang="en"><p>MD, PhD, Assistant Professor, Rheumatology Service, University Hospital of Brasilia </p><p>Brasilia</p></bio><bio xml:lang="ru"><p>д.н., ассистент службы ревматологии университетской больницы г. Бразилиа </p><p>г. Бразилиа</p></bio><email>liciamhmota@gmail.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rodrigues</surname><given-names>C.</given-names></name><name xml:lang="ru"><surname>Родригес</surname><given-names>К.</given-names></name></name-alternatives><address><country country="BR">Brazil</country></address><bio xml:lang="en"><p>MD, PhD, Assistant Professor </p><p>Fortaleza</p></bio><bio xml:lang="ru"><p>д.н., доцент </p><p>г. Форталеза</p></bio><email>carlosewerton@hotmail.com</email><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Andrade</surname><given-names>C. F.</given-names></name><name xml:lang="ru"><surname>Андраде</surname><given-names>K. Ф.</given-names></name></name-alternatives><address><country country="BR">Brazil</country></address><bio xml:lang="en"><p>MD, DSc, Assistant Professor, Department of Epidemiology and Quantitative Methods in Health; Faculty of Medicine </p><p>Rio de Janeiro</p></bio><bio xml:lang="ru"><p>д.н., доцент кафедры эпидемиологии и количественных методов в здравоохранении; факультет медицины</p><p>г. Рио-де-Жанейро</p></bio><email>carlosandrade07@gmail.com</email><xref ref-type="aff" rid="aff5"/><xref ref-type="aff" rid="aff6"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Caldas</surname><given-names>C.</given-names></name><name xml:lang="ru"><surname>Кальдас</surname><given-names>С.</given-names></name></name-alternatives><address><country country="BR">Brazil</country></address><bio xml:lang="en"><p>MD, PhD, Assistant Professor, Faculty of Medicine, Tropical Medicine Center </p><p>Belém </p></bio><bio xml:lang="ru"><p>д.н., доцент факультета медицины Центра тропической медицины  </p><p>г. Белен</p></bio><email>cezar_caldas@yahoo.com.br</email><xref ref-type="aff" rid="aff7"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Federal University of Bahia</institution></aff><aff><institution xml:lang="ru">Федеральный университет Байи</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">University of São Paulo</institution></aff><aff><institution xml:lang="ru">Университет Сан-Паулу</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">University of Brasilia</institution></aff><aff><institution xml:lang="ru">Университет г. Бразилиа</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">University of Fortaleza</institution></aff><aff><institution xml:lang="ru">Университет Форталеза</institution></aff></aff-alternatives><aff-alternatives id="aff5"><aff><institution xml:lang="en">National School of Public Health Sérgio Arouca</institution></aff><aff><institution xml:lang="ru">Национальная школа здравоохранения Сержиу Ароука</institution></aff></aff-alternatives><aff-alternatives id="aff6"><aff><institution xml:lang="en">Vassouras University</institution></aff><aff><institution xml:lang="ru">Университет Васорас</institution></aff></aff-alternatives><aff-alternatives id="aff7"><aff><institution xml:lang="en">Federal University of Pará</institution></aff><aff><institution xml:lang="ru">Федеральный университет штата Пара</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-11-21" publication-format="electronic"><day>21</day><month>11</month><year>2021</year></pub-date><volume>11</volume><issue>5</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>979</fpage><lpage>983</lpage><history><date date-type="received" iso-8601-date="2020-10-15"><day>15</day><month>10</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2021-03-15"><day>15</day><month>03</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Carvalho J.F., Cordeiro L.R., Silva F.F., Mota L., Rodrigues C., Andrade C.F., Caldas C.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, Карвальо Д.Ф., Кордейро Л.Р., Силва Ф.Ф., Мота Л., Родригес К., Андраде K.Ф., Кальдас С.</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">Carvalho J.F., Cordeiro L.R., Silva F.F., Mota L., Rodrigues C., Andrade C.F., Caldas C.</copyright-holder><copyright-holder xml:lang="ru">Карвальо Д.Ф., Кордейро Л.Р., Силва Ф.Ф., Мота Л., Родригес К., Андраде K.Ф., Кальдас С.</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/1614">https://iimmun.ru/iimm/article/view/1614</self-uri><abstract xml:lang="en"><p>Introduction. Chikungunya virus infection (CKV) may lead to chronic arthritis in up to 40% of the patients. There are previous data regarding positive auto antibodies in CKV. Objective is to systematically evaluate the prevalence of auto antibodies in CKV patients. Methods. All study participants had clinical manifestations being CKV positive at least serologally or by RT-PCR data. The following autoantibodies were assessed: antinuclear antibodies (ANA), anti-dsDNA, anti-Sm, anti-Ro/SS-A, anti-La/SS-B, anti-U1RNP, IgG and IgM anticardiolipin, anticyclic citrullinated peptide (antiCCP), rheumatoid factor (RF), antiribosomal P protein, lupus anticoagulant, anti-Jo-1 and anti-Scl-70. CH100, C3 and C4 complement components, serum levels of immunoglobulins, C-reactive protein, erythrocyte sedimentation rate, alpha1-acid glycoprotein, antithyroglobulin, antithyroperoxidase, TRAb, 25 hydroxyvitamin D (25OHD), dengue and zika IgG and IgM antibodies were also measured. Results. 30 CKV patients were included. Mean age was 59.1±15.7 years, 85% females and 77% Caucasian subjects. Disease duration comprised 4.9±4.0 months. Oligoarthritis was observed in 93% cases. Mean C-reactive protein levels were 10.1±6.8 ng/dL, erythrocyte sedimentation rate — 34.2±19.9 mm/1<sup>st</sup> hour and alpha1-acid glycoprotein 115.5±52.6 mg/dL. Intramuscular betamethasone depot single dose injection was administered in 54%, prednisone — in 15% and methotrexate — in 23% cases. Importantly, 1/30 (3.3%) cases was positive for ANA, 4/30 (13.3%) — for RF and none was positive for anti-CCP or any other autoantibodies. Complement and immunoglobulin levels were all within the normal range. Low levels of 25OHD were observed in 88% cases.</p></abstract><trans-abstract xml:lang="ru"><p>Введение. Инфекция вирусом чикунгунья (CKV) может приводить к хроническому артриту у 40% пациентов. Существуют ранее полученные данные об обнаружении аутоантител при CKV-инфекции. Цель — оценка наличия аутоантител у пациентов с CKV. Методы. У всех участников исследования были отмечены клинические проявления CKV-инфекции, получены положительные результаты, по крайней мере, серологического анализа или ОТ-ПЦР на CKV и выявлены следующие аутоантитела: антинуклеарные (ANA), антиdsDNA, анти-Sm, анти-Ro/SS-A, анти-La/SS-B, анти-U1RNP, антикардиолипин IgG и IgM, антициклический цитруллинированный пептид (анти-CCP), ревматоидный фактор (RF), антитела к антирибосомному белку P, волчаночный антикоагулянт, анти-Jo-1 и анти-Scl-70. Также исследовались уровень компонентов комплемента C3 и C4, общая активность комплемента (CH100), сывороточные уровни иммуноглобулинов, C-реактивный белок, скорость оседания эритроцитов, альфа-кислотный гликопротеин, антитиреоглобулин, антитиреопероксидаза, TRAb, 25-гидроксивитамин D (25OHD), антитела IgG и IgM к вирусам денге и Зика. Результаты. В исследование было включено 30 пациентов с CKV. Средний возраст составлял 59,1±15,7 лет, 85% составляли женщины, 77% — представители европеоидной расы. Давность заболевания составила 4,9±4,0 мес. Олигоартрит отмечен у 93% обследованных. Средние уровни С-реактивного белка составляли 10,1±6,8 нг/дл, СОЭ — 34,2±19,9 мм/ч и альфа-1-кислотный гликопротеин — 115,5±52,6 мг/дл. Внутримышечная инъекция депо бетаметазона в разовой дозе применялась в 54% случаев, преднизон — в 15% и метотрексат — в 23%. Важно отметить, что 1 проба из 30 (3,3%) была положительной на ANA, 4 из 30 (13,3%) — на RF, и ни одна не была положительной на анти-CCP или любые другие аутоантитела. Уровни комплемента и иммуноглобулина были в пределах нормы. Низкие уровни 25OHD наблюдались в 88% случаев. Заключение. Хотя мы наблюдали высокий процент суставных проявлений у пациентов с CKV, настоящее исследование обнаружило низкую частоту аутоантител у пациентов с CKV.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Chikungunya</kwd><kwd>autoantibodies</kwd><kwd>autoimmunity</kwd><kwd>arboviruses</kwd><kwd>rheumatoid arthritis</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>Чикунгунья</kwd><kwd>аутоантитела</kwd><kwd>аутоиммунитет</kwd><kwd>арбовироз</kwd><kwd>ревматоидный артрит</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>1. Blettery M., Brunier L., Polomat K., Moinet F., Deligny C., Arfi S., Jean-Baptiste G., De Bandt M. Brief report: management of chronic post-Chikungunya rheumatic disease: the martinican experience. Arthritis Rheumatol., 2016, vol. 68, no. 11, pp. 2817– 2824. doi: 10.1002/art.39775</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>2. Bouquillard E., Combe B. 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