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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">nefr</journal-id><journal-title-group><journal-title xml:lang="ru">Нефрология</journal-title><trans-title-group xml:lang="en"><trans-title>Nephrology (Saint-Petersburg)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-6274</issn><issn pub-type="epub">2541-9439</issn><publisher><publisher-name>Pavlov First Saint-Petersburg State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24884/1561-6274-2017-21-6-68-77</article-id><article-id custom-type="elpub" pub-id-type="custom">nefr-315</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>ЖУРНАЛ В ЖУРНАЛЕ. АКТУАЛЬНЫЕ ПРОБЛЕМЫ ПЕДИАТРИИ</subject></subj-group></article-categories><title-group><article-title>ПОКАЗАТЕЛИ ОБМЕНА ЖЕЛЕЗА, ЭРИТРОПОЭТИНА, ГИПОКСИЕЙ ИНДУЦИРОВАННОГО ФАКТОРА ПРИ АНЕМИИ  У ДЕТЕЙ С ХРОНИЧЕСКОЙ БОЛЕЗНЬЮ ПОЧЕК</article-title><trans-title-group xml:lang="en"><trans-title>IRON STATUS, ERYTHROPOIETIN, HYPOXIA INDUCTOR FACTORS IN CHILDREN WITH ANEMIA WITH CHRONIC KIDNEY DISEASE</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>Лысова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Lysova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лысова Елена Валентиновна - аспирант, кафедра факультетской педиатрии.</p><p>194100, Санкт-Петербург, ул. Литовская, д. 2, (812) 416-52-86</p></bio><bio xml:lang="en"><p>Lysova Elena - the department of faculty pediatrics.</p></bio><email xlink:type="simple">lysovaelena2015@gmail.ru</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>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>Савенкова Надежда Дмитриевна - доктор медицинских наук, рофессор, кафедра факультетской педиатрии.</p><p>194100, Санкт-Петербург, ул. Литовская, д. 2, (812) 416-52-86</p></bio><bio xml:lang="en"><p>Nadezda D. Savenkova - MD, PhD, DMedSci, Prof., Head of department of faculty pediatrics</p><p>194100, St-Petersburg, Litovskaya st., 2, (812) 416-52-86</p></bio><email xlink:type="simple">savenkova.n.spb@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Санкт-Петербургский государственный педиатрический медицинский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint-Petersburg State pediatric 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>28</day><month>11</month><year>2017</year></pub-date><volume>21</volume><issue>6</issue><fpage>68</fpage><lpage>77</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Лысова Е.В., Савенкова Н.Д., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Лысова Е.В., Савенкова Н.Д.</copyright-holder><copyright-holder xml:lang="en">Lysova E.V., Savenkova N.D.</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://journal.nephrolog.ru/jour/article/view/315">https://journal.nephrolog.ru/jour/article/view/315</self-uri><abstract><sec><title>Цель</title><p>Цель: сопоставить показатели обмена железа, уровня гипоксией индуцированного фактора (HIF-1α)  и эритропоэтина  (ЭПО) у детей с анемией при ХБП С1–5.</p></sec><sec><title>Пациенты и методы</title><p>Пациенты и методы.  Выделены три группы  пациентов: I – 32 детей до диализа с ХБП С1–5 без терапии, II – 18 детей до диализа с ХБП С2–5, получающие терапию препаратами железа и ЭПО, III группа  – 30 диализных пациентов с ХБП С3–5, получающих терапию железом  и ЭПО. Уровень сывороточного  ЭПО определяли иммуноферментным анализом с использованием тест-системы BiomericaEPOELISA, CloudCloneCorpдля определения уровня HIF-1α.</p></sec><sec><title>Результаты</title><p>Результаты: В I группе выявлено достоверное повышение уровня HIF-1α (0,089±0,011нг/мл) по сравнению нормальными (0,043 нг/мл) (p=0,0001). В II группе выявлены повышенные уровни ЭПО (63,01±14,84  MМЕ/мл) по сравнению с нормальными (17,56 MМЕ/мл) (p=0,0088) и HIF-1α (0,138±0,025 нг/мл) по сравнению с нормальными (0,043 нг/мл) (p=0,005). Сравнительное исследование ЭПО и HIF-1α у детей с ХБП показало достоверное повышение ЭПО и HIF-1α во II группе до диализа (на терапии) в сравнении с I группой до диализа (без терапии). Установлена корреляционная связь СКФ и HIF-1α у пациентов II группы.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Objective</title><p>Objective: to compare the  indicators of iron metabolism, the  level of hypoxia  induced factor (HIF-1α) and  erythropoietin (EPO) in children with anemia in CKD Stage 1-5.</p></sec><sec><title>Patients  and methods</title><p>Patients  and methods:  three groups of patients: I – 32 children under dialysis with CKD Stage 1-5 without therapy, II – 18 children up to dialysis CKD Stage 2-5 receiving treatment with iron and ESP, group III – 30 dialysis  patients with CKD Stage 3-5 receiving treatment with iron and  ESP. Serum levels of EPO and  HIF-1α was determined by solid-phase chemiluminescent enzyme-linked immunosorbent assay method (sandwich) using a test system Biomerica EPO ELISA kit to determine the level of HIF-1α, Cloud-Clone Corp.</p></sec><sec><title>Results</title><p>Results: In the I group, a statistically significant increase in the level of HIF-1α (0,089 ± 0,011ng / ml) was found compared with the mean normal (0,043 ng / ml) (p = 0.0001). In the II group, an increased level of EPO (63,01 ± 14,84 MIU / ml) was found in comparison with normal (17,56 MIU / ml) (p = 0,0088), an increase in HIF-1α (0,138 ± 0,025 ng / ml) compared with normal (0,043 ng / ml) (p = 0.005). A comparative study of EPO and  HIF-1α in children with CKD showed a statistically significant increase in EPO and  HIF-1α in the  II group before dialysis  (on therapy) compared to group I before dialysis  (without  therapy). A correlation between GFR and  HIF-1α was established in group II patients.</p></sec><sec><title>Conclusion</title><p>Conclusion: A direct correlation between the level of GFR and HIF-1α in the blood was revealed in patients of group II with CKD Stage 2-5 before dialysis, receiving preparations of erythropoietin and  iron. In the I group, before dialysis  (without  therapy) and  III group of dialysis  patients receiving ESP and  iron, the  binding strength of GFR and  HIF-1α is not significant.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>анемия</kwd><kwd>хроническая болезнь почек</kwd><kwd>эритропоэтин</kwd><kwd>гипоксией индуцированный фактор -1α</kwd><kwd>дети</kwd></kwd-group><kwd-group xml:lang="en"><kwd>anemia</kwd><kwd>chronic kidney disease</kwd><kwd>erythropoietin</kwd><kwd>hypoxia-induced factor -1α</kwd><kwd>children</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">Hogg RJ, Furth S, Lemley KV et al. National Kidney Foundation’s Kidney Disease Outcomes Quality Initiative clinical practice guidelines for chronic kidney disease in children and adolescents: evaluation, classification, and stratification. 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