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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">perinatology</journal-id><journal-title-group><journal-title xml:lang="ru">Российский вестник перинатологии и педиатрии</journal-title><trans-title-group xml:lang="en"><trans-title>Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1027-4065</issn><issn pub-type="epub">2500-2228</issn><publisher><publisher-name>Ltd. “The National Academy of Pediatric Science and Innovation”</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">perinatology-161</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>КАРДИОЛОГИЯ И РЕВМАТОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>КАРДИОЛОГИЯ И РЕВМАТОЛОГИЯ</subject></subj-group></article-categories><title-group><article-title>Диагностическое значение концентрации цитокинов IL-ip, IL-6, TNF-a и белка-предшественника амилоида SAA в крови у пациентов с ювенильным ревматоидным артритом</article-title><trans-title-group xml:lang="en"><trans-title>Diagnostic value of blood concentrations of the cytokines of IL-ip, IL-6, and TNF-a and serum amyloid A (SAA) precursor protein in patients with juvenile rheumatoid 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>Степанова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Stepanova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., асс. каф. факультетской педиатрии Санкт-Петербургского государственного педиатрического медицинского университета</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>Савенкова</surname><given-names>Н. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Savenkova</surname><given-names>N. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н., проф., зав. той же каф. факультетской педиатрии</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>Новик</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Novik</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н., проф., зав. каф. педиатрии им. проф. И.М. Воронцова того же учреждения</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>Дементьева</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Dementieva</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>мл.н.с. лаборатории клинической иммунологии того же учреждения</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>Гурина</surname><given-names>О. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Gurina</surname><given-names>O. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., научный руководитель той же лаборатории194100 Санкт-Петербург, ул. Литовская, д. 2</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ГБОУ ВПО «Санкт-Петербургский государственный педиатрический медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint-Petersburg State Pediatric Medical University, Ministry of Health of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>14</day><month>03</month><year>2016</year></pub-date><volume>60</volume><issue>5</issue><fpage>85</fpage><lpage>91</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ltd. “The National Academy of Pediatric Science and Innovation”, 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Ltd. “The National Academy of Pediatric Science and Innovation”</copyright-holder><copyright-holder xml:lang="en">Ltd. “The National Academy of Pediatric Science and Innovation”</copyright-holder><license xlink:href="https://www.ped-perinatology.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.ped-perinatology.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.ped-perinatology.ru/jour/article/view/161">https://www.ped-perinatology.ru/jour/article/view/161</self-uri><abstract><p>Цель исследования: выявить особенности поражения почек у детей, больных ювенильным ревматоидным артритом, сопоставить полученные данные с концентрацией сывороточного белка-предшественника амилоида SAA и провоспалительных цитокинов IL-ip, IL-6 и TNF-a. У 20 (45,5%) из 44 пациентов в возрасте от 3 до 17 лет выявлена системная форма ювениль-ного ревматоидного артрита, у 24 (54,5%) - суставная. У 26 (59,1%) больных изменений в анализах мочи не установлено, у 18 (40,9%) — диагностирована протеинурия. У всех 44 больных выявлено повышение концентрации белка-предшественника амилоида SAA в крови. Не установлено статистически значимого различия этого показателя у пациентов с системной (333,7+55,2 мг/л) и суставной (227,3+39,5 мг/л) формами болезни. Повышенная концентрация IL-lp в крови выявлена у 20 (45,5%), IL-6 - у 17 (38,6%) из 44 пациентов. Установлено, что концентрация IL-lp (91,2+18,1 пг/мл) и IL-6 (80,4+18,6 пг/мл) в крови у больных с системной формой заболевания достоверно выше (/КО,05), чем у детей с суставной формой (41,4+10,6 и 29,8+5,6 пг/мл соответственно). При системной форме установлен достоверно более высокий уровень IL-lp (124,7+23,6 пг/мл) и IL-6 (102,4+27,8 пг/мл) в крови у пациентов, имеющих протеинурию, в отличие от больных без таковой (38,4+16,0 и 43,2+15,2 пг/мл соответственно). У детей с ювенильным ревматоидным артритом установлена положительная корреляционная связь средней степени между повышенной концентрацией в крови белка SAA и IL-lp; умеренная положительная корреляция между концентрацией в крови белка SAA и IL-6. Полученные данные свидетельствуют у детей с ювенильным ревматоидным артритом.</p></abstract><trans-abstract xml:lang="en"><p>Objective: to reveal the specific features of kidney injury in children with juvenile rheumatoid arthritis (JRA) and to compare findings with the concentrations of serum amyloid A (SAA) precursor protein and the proinflammatory cytokines IL-ip, IL-6, and TNF-a. Results. Twenty (4,5%) of 44 patients aged 3 to 17 years were found to have systemic-onset JRA; 24 (54,5%) had articular-onset JRA. Twenty-six (59.1%) patients had normal urinalyses; 18 (40,9%) were diagnosed with proteinuria. All the 44 patients were ascertained to have elevated blood SAA protein concentrations. There were no statistically significant differences between the patients with systemic-onset JRA and those with articular-onset JRA in this indicator (333,7+55,2 and 227,3+39,5 mg/1, respectively). The increased blood concentrations of IL-ip and IL-6 were detected in 20 (45,5%) and 17 (38,6%) of the 44 patients. In the patients with systemic-onset JRA, the levels of IL-ip (91,2+18,1 pg/ml) and IL-6 (80,4+18,6 pg/ml) were established to be significantly higher than those (41,4+10,6 and 29,8+5,6 pg/ml, respectively) in the children with articular-onset JRA (/K0,05). Significantly higher serum levels of IL-ip (124,7+23,6 pg/ml) and IL-6 (102,4+27,8 pg/ml) were detected in the systemic-onset JRA patients having proteinuria than those (38,4+16,0 and 43,2+15,2 pg/ml, respectively) in the patients without the latter. The children with JRA showed moderate positive correlations between the elevated blood concentrations of SAA protein and IL-lp and between the blood levels of SAA and IL-6. The findings suggest that the proinflammatory cytokines play a role in maintaining the chronic inflammatory process and stimulating amyloidogenesis in children with JRA.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>дети</kwd><kwd>ювенильный ревматоидный артрит</kwd><kwd>сывороточный белок-предшественник амилоида SAA</kwd><kwd>интерлей-кин-ip</kwd><kwd>интерлейкин-6</kwd><kwd>поражение почек</kwd><kwd>АА-амилоидоз</kwd><kwd>протеинурия.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>children</kwd><kwd>juvenile rheumatoid arthritis</kwd><kwd>serum amyloid A (SAA) precursor protein</kwd><kwd>interleukin-ip</kwd><kwd>interleukin-6</kwd><kwd>kidney injury</kwd><kwd>AA amyloidosis</kwd><kwd>proteinuria.</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">Алексеева Е.И., Литвицкий П.Ф. 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