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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">actabiomedica</journal-id><journal-title-group><journal-title xml:lang="ru">Acta Biomedica Scientifica</journal-title><trans-title-group xml:lang="en"><trans-title>Acta Biomedica Scientifica</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2541-9420</issn><issn pub-type="epub">2587-9596</issn><publisher><publisher-name>Scientific Centre for Family Health and Human Reproduction Problems</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29413/ABS.2022-7.5-1.10</article-id><article-id custom-type="elpub" pub-id-type="custom">actabiomedica-3807</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>КЛИНИЧЕСКАЯ ЛАБОРАТОРНАЯ ДИАГНОСТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL LABORATORY DIAGNOSIS</subject></subj-group></article-categories><title-group><article-title>Оценка референсных интервалов ацилкарнитинов у новорождённых Сибири</article-title><trans-title-group xml:lang="en"><trans-title>Assessment of reference intervals of acylcarnitines in newborns in Siberia</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9720-8750</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Немчинова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nemchinova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Немчинова Надежда Владимировна – лаборант-исследователь лаборатории персонализированной медицины</p><p>664003, г. Иркутск, ул. Тимирязева, 16</p></bio><bio xml:lang="en"><p>Nadezhda V. Nemchinova – Research Assistant at the Laboratory of Personalized Medicine</p><p>Timiryazeva str. 16, Irkutsk 664003</p></bio><email xlink:type="simple">nemchinova.nad@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3704-830X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Баирова</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bairova</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Баирова Татьяна Ананьевна – доктор медицинских наук, заведующая лабораторией персонализированной медицины</p><p>664003, г. Иркутск, ул. Тимирязева, 16</p></bio><bio xml:lang="en"><p>Tatyana A. Bairova – Dr. Sc. (Med.), Head of the Laboratory of Personalized Medicine</p><p>Timiryazeva str. 16, Irkutsk 664003</p></bio><email xlink:type="simple">tbairova38@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3678-7274</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бельских</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Belskikh</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бельских Алексей Владимирович – кандидат химических наук, инженер лаборатории персонализированной медицины</p><p>664003, г. Иркутск, ул. Тимирязева, 16</p></bio><bio xml:lang="en"><p>Aleksey V. Belskikh – Cand. Sc. (Chem.), Engineer at the Laboratory of Personalized Medicine</p><p>Timiryazeva str. 16, Irkutsk 664003</p></bio><email xlink:type="simple">alex590750@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2162-3683</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бугун</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bugun</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бугун Ольга Витальевна – доктор медицинских наук, заместитель директора по клинической работе – главный врач клиники</p><p>664003, г. Иркутск, ул. Тимирязева, 16</p></bio><bio xml:lang="en"><p>Olga V. Bugun – Dr. Sc. (Med.), Deputy Director for Clinical Work – Chief Physician of the Clinics</p><p>Timiryazeva str. 16, Irkutsk 664003</p></bio><email xlink:type="simple">clinica_zam1@inbox.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2910-0737</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рычкова</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Rychkova</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рычкова Любовь Владимировна – доктор медицинских наук, профессор, член-корреспондент РАН, директор</p><p>664003, г. Иркутск, ул. Тимирязева, 16</p></bio><bio xml:lang="en"><p>Lyubov V. Rychkova – Dr. Sc. (Med.), Professor, Corresponding Member of RAS, Director</p><p>Timiryazeva str. 16, Irkutsk 664003</p></bio><email xlink:type="simple">iphr@sbamsr.irk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «Научный центр проблем здоровья семьи и репродукции человека»</institution></aff><aff xml:lang="en"><institution>Scientific Сentre for Family Health and Human Reproduction Problems</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>07</day><month>12</month><year>2022</year></pub-date><volume>7</volume><issue>5-1</issue><fpage>86</fpage><lpage>99</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Немчинова Н.В., Баирова Т.А., Бельских А.В., Бугун О.В., Рычкова Л.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Немчинова Н.В., Баирова Т.А., Бельских А.В., Бугун О.В., Рычкова Л.В.</copyright-holder><copyright-holder xml:lang="en">Nemchinova N.V., Bairova T.A., Belskikh A.V., Bugun O.V., Rychkova L.V.</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://www.actabiomedica.ru/jour/article/view/3807">https://www.actabiomedica.ru/jour/article/view/3807</self-uri><abstract><p>   Частота заболеваний, связанных с нарушением транспорта и окисления жирных кислот, составляет 1: 5000 – 1: 9000 новорождённых. Высокая заболеваемость, риск летального исхода при отсутствии своевременной коррекции, неспецифичность клинических проявлений обусловливают важность их своевременной лабораторной диагностики, основанной на определении свободного карнитина и ацилкарнитинов в крови. Референсные значения свободного карнитина и ацилкарнитинов варьируют в разных популяциях.   Цель исследования. Определение референсных интервалов свободного карнитина и ацилкарнитинов у новорождённых детей Иркутской области и их сравнение с аналогичными показателями в других странах мира.   Методы. Проведён анализ 229 образцов сухих пятен крови здоровых новорождённых детей Иркутской области в возрасте от 0 до 7 дней. Анализ концентраций ацилкарнитинов проводился с использованием высокоэффективной жидкостной хроматографии с тандемной масс-спектрометрией.   Результаты. Для 13 ацилкарнитинов рассчитаны 2,5-й и 97,5-й перцентили (мкмоль/л): C0 – [8,78; 38,08]; C2 – [3,55; 19,09]; C3 – [0,33; 1,96]; C4 – [0,08; 0,51]; C5 – [0,06; 0,44]; C5DC – [0,03; 0,17]; C6 – [0,01; 0,07]; C8 – [0,01; 0,07]; C10 – [0,02; 0,07]; C12 – [0,04; 0,51]; C14 – [0,07; 0,24]; C16 – [0,58; 3,25]; C18 – [0,35; 1,16].   Заключение. Выявлены различия референсных интервалов ацилкарнитинов: C0, C2, C3, C5DC, C8, C10, C14, C16 и C18 – ниже в нашем исследовании, C5 и C12 – выше в нашем исследовании по сравнению с аналогичными параметрами у новорождённых других популяций мира.</p></abstract><trans-abstract xml:lang="en"><p>   Background. The incidence of diseases associated with impaired transport and oxidation of fatty acids is from 1:5,000 to 1:9,000 newborns. High morbidity, risk of death in the absence of timely correction, non-specificity of clinical manifestations define the importance of their timely laboratory diagnosis based on the determination of free carnitine and acylcarnitines in the blood. Reference values for free carnitine and acylcarnitines vary in different populations.   The aim. To determine the reference intervals of free carnitine and acylcarnitines in newborns of the Irkutsk region and to compare them with similar reference intervals in newborns in other countries.   Methods. The analysis of 229 samples of drу blood spots of healthy newborn children of the Irkutsk region aged from 0 to 7 days was carried out. Analysis of acylcarnitine concentrations was performed using high performance liquid chromatography with tandem mass spectrometry.   Results. 2.5 and 97.5 percentiles (µmol/l) were calculateed for 13 acylcarnitines: C0 – [8.78; 38.08]; C2 – [3.55; 19.09]; C3 – [0.33; 1.96]; C4 – [0.08; 0.51]; C5 – [0.06; 0.44]; C5DC – [0.03; 0.17]; C6 – [0.01; 0.07]; C8 – [0.01; 0.07]; C10 – [0.02; 0.07]; C12 – [0.04; 0.51]; C14 – [0.07; 0.24]; C16 – [0.58; 3.25]; C18 – [0.35; 1.16].   Conclusion. Differences in acylcarnitine reference intervals were found: compared with other countries, the concentrations of reference intervals for C0, C2, C3, C5DC, C8, C10, C14, C16 and C18 were lower in our study, reference intervals for C5 and C12 were higher in our country.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ацилкарнитины</kwd><kwd>новорождённые</kwd><kwd>референсы</kwd><kwd>ВЭЖХ-МС/МС</kwd></kwd-group><kwd-group xml:lang="en"><kwd>acylcarnitines</kwd><kwd>newborns</kwd><kwd>references</kwd><kwd>HPLC-MS/MS</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Статья опубликована в рамках V Всероссийской научно-практической конференции молодых учёных с международным участием «Фундаментальные и прикладные аспекты в медицине и биологии»</funding-statement><funding-statement xml:lang="en">The article was published as part of the V All-Russian Scientific and Practical Conference of Young Scientists with international participation "Fundamental and applied aspects in medicine and biology"</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Николаева Е. 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