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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">medgen</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская генетика</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Genetics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-7998</issn><publisher><publisher-name>Publishing House «Genius Media» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25557/2073-7998.2024.05.31-40</article-id><article-id custom-type="elpub" pub-id-type="custom">medgen-2477</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>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCH</subject></subj-group></article-categories><title-group><article-title>Итоги первого года расширенного неонатального скрининга на первичные иммунодефициты в Краснодарском крае</article-title><trans-title-group xml:lang="en"><trans-title>Newborn screening for severe combine immunodeficiency: first year results in Krasnodar region</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>Матулевич</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Matulevich</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>350000, г. Краснодар, ул. 1 Мая, д. 167</p></bio><bio xml:lang="en"><p>167, 1 Maya st., Krasnodar, 350000</p></bio><email xlink:type="simple">kubanmgk@mail.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>Псеуш</surname><given-names>С. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Pseush</surname><given-names>S. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>350000, г. Краснодар, ул. 1 Мая, д. 167</p></bio><bio xml:lang="en"><p>167, 1 Maya st., Krasnodar, 350000</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>Лашевич</surname><given-names>П. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Lashevich</surname><given-names>P. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>350000, г. Краснодар, ул. 1 Мая, д. 167</p></bio><bio xml:lang="en"><p>167, 1 Maya st., Krasnodar, 350000</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>Зинченко</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zinchenko</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>350000, г. Краснодар, ул. 1 Мая, д. 167</p></bio><bio xml:lang="en"><p>167, 1 Maya st., Krasnodar, 350000</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>Сенькина</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Senkina</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>350000, г. Краснодар, ул. 1 Мая, д. 167</p></bio><bio xml:lang="en"><p>167, 1 Maya st., Krasnodar, 350000</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>Бровко</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Brovko</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>350000, г. Краснодар, ул. 1 Мая, д. 167</p></bio><bio xml:lang="en"><p>167, 1 Maya st., Krasnodar, 350000</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ГБУЗ «Научно-исследовательский институт – Краевая клиническая больница №1 имени профессора С.В. Очаповского» Министерства здравоохранения Краснодарского края</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute – Regional Clinical Hospital No. 1</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>03</day><month>08</month><year>2024</year></pub-date><volume>23</volume><issue>5</issue><fpage>31</fpage><lpage>40</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Матулевич С.А., Псеуш С.Ю., Лашевич П.Д., Зинченко Л.В., Сенькина М.В., Бровко Е.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Матулевич С.А., Псеуш С.Ю., Лашевич П.Д., Зинченко Л.В., Сенькина М.В., Бровко Е.А.</copyright-holder><copyright-holder xml:lang="en">Matulevich S.A., Pseush S.Y., Lashevich P.D., Zinchenko L.V., Senkina M.V., Brovko E.A.</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.medgen-journal.ru/jour/article/view/2477">https://www.medgen-journal.ru/jour/article/view/2477</self-uri><abstract><sec><title>Цель</title><p>Цель: оценить результаты первого года неонатального скрининга на первичные иммунодефицитные состояния (ПИДС) в Краснодарском крае и выявить факторы, влияющие на уровень анализируемых показателей.</p></sec><sec><title>Методы</title><p>Методы. В Краснодарском крае проведен скрининг 47073 новорожденных на ПИДС методом ПЦР в режиме реального времени за период с 16.02.2023 по 31.12.2023. Доля обследованных новорожденных составила 99,5% от общего числа родившихся за отчетный период в регионе. Рассчитаны средние уровни TREC и KREC у детей разного гестационного возраста, выявлены зависимости между данными показателями с помощью критерия Краскела-Уоллиса.</p></sec><sec><title>Результаты</title><p>Результаты. В результате обследования 4-х групп детей разного гестационного возраста, согласно классификации ВОЗ, выявлена значимая ассоциативная связь количества TREC и KREC в крови ребенка со сроком гестации. За период проведения расширенного неонатального скрининга выявлено 102 новорожденных группы риска по ПИДС, из них в ФГБНУ МГНЦ доставлено 93 образца. Подтверждение сниженного уровня TREC/KREC получено у 17 детей. При этом первичный иммунодефицит, как основной диагноз не установлен ни одному пациенту. ПИДС в качестве сопутствующего диагноза поставлен двум детям с хромосомной патологией. Два ребенка находятся на диспансерном учете у иммунолога в связи с отклонениями по результатам ИФТ, но с нормальным количеством TREC/KREC после ретеста.</p></sec><sec><title>Заключение</title><p>Заключение. Полученные результаты демонстрируют, что неонатальный скрининг на ПИДС методом ПЦР в режиме реального является эффективным элементом клинической практики, позволяющим своевременно выявлять наследственные заболевания, что, в свою очередь, ускоряет назначение патогенетической терапии, снижая уровень инвалидизации и смертности среди новорожденных.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. Assessment of the results of the first year of neonatal screening for SCID in Krasnodar region and identification of factors affecting the level of analyzed indicators</p></sec><sec><title>Methods</title><p>Methods. During the first year, 47073 infants were screened for SCID in Krasnodar region, using real-time PCR to quantitate T-cell receptor excision circles (TRECs) and kappa-deleting recombination excision circle (KREC). The average levels of TREC and KREC in children of different gestational ages were calculated, and relationships between these indicators were identified using the Kruskal-Wallis test.</p></sec><sec><title>Results</title><p>Results. According to the results of the study, 4 groups of children of different gestational age were analyzed, according to the WHO classification: the most significant associative relationship between the amount of TREC and KREC in the blood of a child with gestation period was revealed. During the period of the screening 102 newborns of the PIDS-risk group, 93 samples were delivered to the Medical and Genetic Research Center, Moscow. Confirmation of reduced TREC/KREC levels was received for 17 children. At the same time, primary immunodeficiency, as the main diagnosis, has not been established in any patient. Two children with chromosomal pathology were diagnosed with PIDS as a concomitant diagnosis. Two children are on the dispensary register with an immunologist due to deviations in the results of immunophenotyping but with a normal amount of TREC / KREC after retest.</p></sec><sec><title>Conclusion</title><p>Conclusion. The results obtained demonstrate that neonatal screening for PIDs using real-time PCR is an effective element of clinical practice, allowing timely detection of hereditary diseases, which, in turn, accelerates the prescription of pathogenetic therapy, reducing the level of disability and mortality among newborns. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>первичные иммунодефициты</kwd><kwd>расширенный неонатальный скрининг</kwd><kwd>ПЦР в режиме реального времени</kwd></kwd-group><kwd-group xml:lang="en"><kwd>: severe combined immunodeficiency</kwd><kwd>newborn screening</kwd><kwd>real time PCR</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">. Работа выполнена в рамках государственного задания Минобрнауки России ( Научно-исследовательский институт – Краевая клиническая больница №1 имени профессора С.В. Очаповского)</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">Khalturina E.O., Degtyareva N.D., Bairashevskaia A.V. et al. Modern diagnostic capabilities of neonatal screening for primary immunodeficiencies in newborns. Clin Exp Pediatr. 2021;63: 504-10.</mixed-citation><mixed-citation xml:lang="en">Khalturina E.O., Degtyareva N.D., Bairashevskaia A.V. et al. Modern diagnostic capabilities of neonatal screening for primary immunodeficiencies in newborns. Clin Exp Pediatr. 2021;63: 504-10.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Филипенко М.Л., Румянцев А.Г., Продеус А.П. и др. Скрининг новорожденных на первичные иммунодефициты и группу риска иммунорегуляторных расстройств, требующих диспансерного наблюдения. Педиатрия им. Г.Н. Сперанского. 2019; 98 (3): 49-54.</mixed-citation><mixed-citation xml:lang="en">Filipenko М.L., Rumyantsev A.G, Prodeus A.P., et al. Skrining novorozhdennykh na pervichnyye immunodefitsity i gruppu riska immunoregulyatornykh rasstroystv, trebuyushchikh dispansernogo nablyudeniya [Screening of newborns for primary immunodeficiencies and risk groups for immunoregulatory disorders requiring follow up]. Pediatriya im. G.N. Speranskogo [Pediatria n.a. G.N. Speransky]. 2019; 98 (3): 49-54. (In Russ.)</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Тузанкина И.А., Дерябина С.С., Болков М.А. Первичные иммунодефициты в раннем возрасте. М. 2018;176 с.</mixed-citation><mixed-citation xml:lang="en">Tuzankina I.A., Deryabina S.S., Bolkov M.A. Pervichnyye immunodefitsity v rannem vozraste [Primary immunodeficiencies at an early age]. M. 2018;176 p. (In Russ.)</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Yao C., Han X., Zhang Y. et al. Clinical characteristics and genetic profiles of 44 patients with severe combined immunodeficiency (SCID): report from Shanghai, China (2004–2011). J Clin Immunol. 2013;33:526–39</mixed-citation><mixed-citation xml:lang="en">Yao C., Han X., Zhang Y. et al. Clinical characteristics and genetic profiles of 44 patients with severe combined immunodeficiency (SCID): report from Shanghai, China (2004–2011). J Clin Immunol. 2013;33:526–39</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Bousfiha A., Moundir A., Tangye S.G., et al. The 2022 Update of IUIS Phenotypical Classification for Human Inborn Errors of Immunity. J Clin Immunol. 2022;42(7):1508-1520. doi: 10.1007/s10875-022-01352-z.</mixed-citation><mixed-citation xml:lang="en">Bousfiha A., Moundir A., Tangye S.G., et al. The 2022 Update of IUIS Phenotypical Classification for Human Inborn Errors of Immunity. J Clin Immunol. 2022;42(7):1508-1520. doi: 10.1007/s10875-022-01352-z.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Чернышова Е.В., Анастасевич Л.А., Щербина А.Ю. и др. Современные возможности скрининга и диагностики первичных иммунодефицитных состояний в педиатрии. Педиатрия. Журнал им. Г. Н. Сперанского. 2016;3:124-128.</mixed-citation><mixed-citation xml:lang="en">Chernyishova E.V., Anastasevich L.A., Scherbina А.Y., Larin S.S. Sovremennyye vozmozhnosti skrininga i diagnostiki pervichnykh immunodefitsitnykh sostoyaniy v pediatrii [Modern possibilities of screening and diagnosis of primary immunodeficiency in pediatrics]. Pediatriya im. G.N. Speranskogo [Pediatria n.a. G.N. Speransky]. 2016; 95 (3).. 2016;3:124-128. (In Russ.)</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Currier R., Puck J.M. SCID newborn screening: What we’ve learned. J Allergy Clin Immunol. 2021; 147(2): 417–426.</mixed-citation><mixed-citation xml:lang="en">Currier R., Puck J.M. SCID newborn screening: What we’ve learned. J Allergy Clin Immunol. 2021; 147(2): 417–426.</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Baker M.W., Grossman W.J., Laessig R.H. et al. Development of a routine newborn screening protocol for severe combined immunodeficiency. J Allergy Clin Immunol. 2009;124:522-527.</mixed-citation><mixed-citation xml:lang="en">Baker M.W., Grossman W.J., Laessig R.H. et al. Development of a routine newborn screening protocol for severe combined immunodeficiency. J Allergy Clin Immunol. 2009;124:522-527.</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Rechavi E., Lev A., Simon A.J. et al. First Year of Israeli Newborn Screening for Severe Combined Immunodeficiency. Clinical Achievements and Insights. Front Immunol. 2017;8:1448.</mixed-citation><mixed-citation xml:lang="en">Rechavi E., Lev A., Simon A.J. et al. First Year of Israeli Newborn Screening for Severe Combined Immunodeficiency. Clinical Achievements and Insights. Front Immunol. 2017;8:1448.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Tesorero R., Janda J., Horster F. et al. A high-throughput newborn screening approach for SCID, SMA, and SCD combining multiplex qPCR and tandem mass spectrometry. PLoS ONE 18(3): e0283024</mixed-citation><mixed-citation xml:lang="en">Tesorero R., Janda J., Horster F. et al. A high-throughput newborn screening approach for SCID, SMA, and SCD combining multiplex qPCR and tandem mass spectrometry. PLoS ONE 18(3): e0283024</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Nourizadeh M., Shakerian L., Borte S. et al. Newborn screening using TREC/KREC assay for severe T and B cell lymphopenia in Iran. Scand J Immunol. 2018; 88:e12699</mixed-citation><mixed-citation xml:lang="en">Nourizadeh M., Shakerian L., Borte S. et al. Newborn screening using TREC/KREC assay for severe T and B cell lymphopenia in Iran. Scand J Immunol. 2018; 88:e12699</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Kwan A. Newborn screening for severe combined immunodeficiency in 11 screening programs in the United States. JAMA. 2014; 312 (7): 729–738.</mixed-citation><mixed-citation xml:lang="en">Kwan A. Newborn screening for severe combined immunodeficiency in 11 screening programs in the United States. JAMA. 2014; 312 (7): 729–738.</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Modell V., Knaus M., Modell F. et al. Global overview of primary immunodeficiencies: a report from Jeffrey Modell Centers worldwide focused on diagnosis, treatment, and discovery. Immunol. Res. 2014; 60 (1): 132–144</mixed-citation><mixed-citation xml:lang="en">Modell V., Knaus M., Modell F. et al. Global overview of primary immunodeficiencies: a report from Jeffrey Modell Centers worldwide focused on diagnosis, treatment, and discovery. Immunol. Res. 2014; 60 (1): 132–144</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Puck J.M. Population-based newborn screening for severe combined immunodeficiency: Steps toward implementation. J. Allergy Clin. Immunol. 2007; 120: 760–768.</mixed-citation><mixed-citation xml:lang="en">Puck J.M. Population-based newborn screening for severe combined immunodeficiency: Steps toward implementation. J. Allergy Clin. Immunol. 2007; 120: 760–768.</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">Marakhonov A.V., Efimova I.Y., Mukhina A.A. et al. Newborn Screening for Severe T and B Cell Lymphopenia Using TREC/KREC Detection: A Large-Scale Pilot Study of 202,908 Newborns. J Clin Immunol. 2024; 44: 93.</mixed-citation><mixed-citation xml:lang="en">Marakhonov A.V., Efimova I.Y., Mukhina A.A. et al. Newborn Screening for Severe T and B Cell Lymphopenia Using TREC/KREC Detection: A Large-Scale Pilot Study of 202,908 Newborns. J Clin Immunol. 2024; 44: 93.</mixed-citation></citation-alternatives></ref><ref id="cit16"><label>16</label><citation-alternatives><mixed-citation xml:lang="ru">Неонатальный скрининг:национальное руководство / под ред.С.И.Куцева.– Москва: ГЭОТАР-Медиа,2023.– 360с.</mixed-citation><mixed-citation xml:lang="en">Neonatal’nyy skrining:natsional’noye rukovodstvo / pod red.S.I.Kutseva.– Moskva: GEOTAR-Media [Neonatal screening: national guidelines / edited by S.I. Kutsev. – Moscow: GEOTAR-Media], 2023.– 360p. (In Russ.)</mixed-citation></citation-alternatives></ref><ref id="cit17"><label>17</label><citation-alternatives><mixed-citation xml:lang="ru">Классификация преждевременных родов. Доступно по: https:// www.who.int/ru/news-room/fact-sheets/detail/preterm-birth.</mixed-citation><mixed-citation xml:lang="en">Classification of premature birth. Available at: https://www.who.int/ru/news-room/fact-sheets/detail/preterm-birth.</mixed-citation></citation-alternatives></ref><ref id="cit18"><label>18</label><citation-alternatives><mixed-citation xml:lang="ru">Moens L.N., Falk-Sörqvist E., Asplund A.C. et al. Diagnostics of primary immunodeficiency diseases: a sequencing capture approach. PLoS One. 2014. 11;9(12):e114901.</mixed-citation><mixed-citation xml:lang="en">Moens L.N., Falk-Sörqvist E., Asplund A.C. et al. Diagnostics of primary immunodeficiency diseases: a sequencing capture approach. PLoS One. 2014. 11;9(12):e114901.</mixed-citation></citation-alternatives></ref><ref id="cit19"><label>19</label><citation-alternatives><mixed-citation xml:lang="ru">Barbaro M., Ohlsson A., Borte S. et al. Newborn Screening for Severe Primary Immunodeficiency Diseases in Sweden − a 2-Year Pilot TREC and KREC Screening Study. J Clin Immunol. 2017; 37:51–60</mixed-citation><mixed-citation xml:lang="en">Barbaro M., Ohlsson A., Borte S. et al. Newborn Screening for Severe Primary Immunodeficiency Diseases in Sweden − a 2-Year Pilot TREC and KREC Screening Study. J Clin Immunol. 2017; 37:51–60</mixed-citation></citation-alternatives></ref><ref id="cit20"><label>20</label><citation-alternatives><mixed-citation xml:lang="ru">Дерябина С.С.Роль количественного определения кольцевых участков ДНК Т-клеточного и В-клеточного рецепторов лимфоцитов в оценке функционирования иммунной системы новорожденных и детей первого года жизни. Дис. канд. мед. наук. Екатеринбург. ФГБОУ ВО Южно-Уральский государственный медицинский университет Министерства здравоохранения Российской Федерации. 2017;177.</mixed-citation><mixed-citation xml:lang="en">Deryabina S.S. Rol’ kolichestvennogo opredeleniya kol’tsevykh uchastkov DNK T-kletochnogo i V-kletochnogo retseptorov limfotsitov v otsenke funktsionirovaniya immunnoy sistemy novorozhdennykh i detey pervogo goda zhizni. Dis. kandidata meditsinskikh nauk [The role of quantitative determination of circular DNA sections of T-cell and B-cell receptors of lymphocytes in assessing the functioning of the immune system of newborns and children of the first year of life. Dis. candidate of medical sciences]. Ekaterinburg. 2017;177p. (In Russ.)</mixed-citation></citation-alternatives></ref><ref id="cit21"><label>21</label><citation-alternatives><mixed-citation xml:lang="ru">Черемохин Д.А., Шинвари Х., Дерябина С.С. и др. Анализ уровней TREС и KREC в образцах сухой крови новорожденных разного гестационного возраста и веса. Acta Naturae (русскоязычная версия). 2022;14(1):101-108.</mixed-citation><mixed-citation xml:lang="en">Cheremokhin D.A., Shinwari K., Deryabina S.S., Bolkov M.A., Tuzankina I.A., Kudlay D.A. Analiz urovney TRES i KREC v obraztsakh sukhoy krovi novorozhdennykh raznogo gestatsionnogo vozrasta i vesa [Analysis of the TREC and KREC Levels in the Dried Blood Spots of Healthy Newborns with Different Gestational Ages and Weights]. Acta Naturae (russkoyazychnaya versiya) [Acta Naturae]. 2022; 14(1):101-108. doi: 10.32607/actanaturae.11501. (In Russ.)</mixed-citation></citation-alternatives></ref><ref id="cit22"><label>22</label><citation-alternatives><mixed-citation xml:lang="ru">Дерябина С.С., Тузанкина И.А., Шершнев В.Н. Определение нормативных значений TREC и KREC в сухих пятнах крови новорожденных разного срока гестации в Свердловской области. Медицинская иммунология. 2018; 20(1):85-98.</mixed-citation><mixed-citation xml:lang="en">Deryabina S.S., Tuzankina I.A., Shershnev V.N. Opredeleniye normativnykh znacheniy TREC i KREC v sukhikh pyatnakh krovi novorozhdennykh raznogo sroka gestatsii v Sverdlovskoy oblasti [Determination of reference values for TREC and KREC in dry blood spots of newborns from different gestation ages in Sverdlovsk region]. Meditsinskaya immunologiya [Medical Immunology (Russia)]. 2018;20(1):85-98. (In Russ.) https://doi.org/10.15789/1563-0625-2018-1-85-98</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
