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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">nogr</journal-id><journal-title-group><journal-title xml:lang="ru">Экспериментальная и клиническая гастроэнтерология</journal-title><trans-title-group xml:lang="en"><trans-title>Experimental and Clinical Gastroenterology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1682-8658</issn><publisher><publisher-name>«Global Media Technologies»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31146/1682-8658-ecg-202-6-50-55</article-id><article-id custom-type="elpub" pub-id-type="custom">nogr-2093</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 ГАСТРОЭНТЕРОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL GASTROENTEROLOGY</subject></subj-group></article-categories><title-group><article-title>Ассоциация генетических предпосылок дефицита витамина D с тяжестью перенесенной COVID-19 инфекцией</article-title><trans-title-group xml:lang="en"><trans-title>Association of genetic prerequisites of vitamin D deficiency with severity of past COVID-19 infection</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3606-4068</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шрайнер</surname><given-names>Евгения Владимировна</given-names></name><name name-style="western" xml:lang="en"><surname>Shrayner</surname><given-names>E. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Петухова</surname><given-names>Софья Константиновна</given-names></name><name name-style="western" xml:lang="en"><surname>Petukhova</surname><given-names>S. K.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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/0000-0001-7308-7280</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хавкин</surname><given-names>Анатолий Ильич</given-names></name><name name-style="western" xml:lang="en"><surname>Khavkin</surname><given-names>A. I.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6374-1728</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кох</surname><given-names>Наталья Викторовна</given-names></name><name name-style="western" xml:lang="en"><surname>Kokh</surname><given-names>N. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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/0000-0001-9048-7710</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лифшиц</surname><given-names>Галина Израилевна</given-names></name><name name-style="western" xml:lang="en"><surname>Lifshits</surname><given-names>G. I.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт химической биологии и фундаментальной медицины; Новосибирский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Chemical Biology and Fundamental Medicine of the SB RAS; Novosibirsk State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Научно-исследовательский клинический институт детства МЗ МО; Белгородский государственный исследовательский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>The Research and Clinical Institute of Chidhood; Belgorod State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>21</day><month>11</month><year>2022</year></pub-date><volume>0</volume><issue>6</issue><fpage>50</fpage><lpage>55</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шрайнер Е.В., Петухова С.К., Хавкин А.И., Кох Н.В., Лифшиц Г.И., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Шрайнер Е.В., Петухова С.К., Хавкин А.И., Кох Н.В., Лифшиц Г.И.</copyright-holder><copyright-holder xml:lang="en">Shrayner E.V., Petukhova S.K., Khavkin A.I., Kokh N.V., Lifshits G.I.</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.nogr.org/jour/article/view/2093">https://www.nogr.org/jour/article/view/2093</self-uri><abstract><p>Целью исследования было изучение ассоциации генетических предпосылок дефицита витамина D с тяжестью перенесённой COVID-19 инфекции и анализ ассоциации тяжести заболевания с уровнем витамина D в плазме крови. Материалы и методы. В исследование включены 72 пациента, проведено разделение на две группы - группа № 1 и группа № 2. Критерии включения в группу № 1: пациенты с перенесенной COVID-19 инфекции в легкой степени тяжести в анамнезе и пациенты, не переносившие COVID-19. В группу № 2 вошли пациенты, с перенесенной COVID-19 инфекцией среднетяжелой и тяжелой степени тяжести. Исследование нуклеотидов в локусах rs1544410, rs2228570, rs3829251, rs2282679 генов VDR, NADSYN1, GC проводили стандартным методом ПЦР TaqMan на амплификаторе “Real-Time CFX96 Touch”. Продолжительность исследования составила 6 месяцев. Результаты. В группу № 1 включено 59 пациентов, средний возраст пациентов в группе составлял: 41,28±2,00. В группу № 2 включено 13 пациентов, средний возраст пациентов в группе: 48,10 ± 2,76. При оценке вклада генотипов полиморфных локусов rs1544410 гена VDR, rs2228570 гена VDR, rs3829251 гена NADSYN1, rs2282679 гена GC на степень тяжести перенесенной COVID-19 инфекции, не было выявлено статистически значимых результатов. Также из 72 исследуемых пациентов у 55 пациентов был известен уровень витамина D в сыворотке крови до перенесенной COVID-19 инфекции. У 43 человек витамин D содержался в адекватной концентрации (≥30 нг/мл (≥75 нмоль/л), из них: 40 пациентов перенесли COVID-19 в легкой форме, либо не переносили данное заболевание и 3 пациента перенесли COVID-19 в средне-тяжелой форме. У 12 человек наблюдалась недостаточность уровня витамина D (≥ 20 и &lt;30 нг/мл (≥50 и &lt;75 нмоль/л)). Из них 7 пациентов перенесли COVID-19 в легкой форме, либо не переносили данное заболевание и 5 пациентов перенесли COVID-19 в среднетяжелой и тяжелой форме. При статистической оценки данных, была выявлена статистическая значимость между тяжестью перенесенной COVID-19 инфекцией и уровнем витамина D в плазме крови. Заключение. Выявлена ассоциативная связь уровня витамина D в плазме крови с тяжестью течения перенесенной COVID-19 инфекции. На изученной выборке пациентов не выявлено ассоциативной связи генотипов исследуемых генов с тяжестью перенесенной COVID-19 инфекцией.</p></abstract><trans-abstract xml:lang="en"><p>The aim of the research was to study the association of genetic prerequisites for vitamin D deficiency with the severity of COVID-19 infection and to analyze the association of the severity of the disease with the level of vitamin D in blood plasma. Materials and methods. The study included 72 patients, divided into two groups - group No. 1 and group No. 2. Inclusion criteria for group 1: patients with a history of mild COVID-19 infection and patients who did not have COVID-19. Group 2 included patients with moderate to severe COVID-19 infection. The study for the analysis of nucleotides in the loci rs1544410, rs2228570, rs3829251, rs2282679 of the VDR, NADSYN1, GC genes was carried out by the standard TaqMan PCR method on a Real-Time CFX96 Touch amplifier. The duration of the study was 6 months. Results. Group 1 included 59 patients, the average age of patients in the group was: 41.28±2.00. Group 2 included 13 patients, the average age of patients in the group was 48.10 ± 2.76. When assessing the contribution of the genotypes of polymorphic locus rs1544410 of the VDR gene, rs2228570 of the VDR gene, rs3829251 of the NADSYN1 gene, rs2282679 of the GC gene to the severity of the COVID-19 infection, no statistically significant results were found. Also, of the 72 patients studied, 55 patients had known serum vitamin D levels before they had COVID-19 infection. In 43 people, vitamin D was contained at an adequate concentration (≥30 ng/ml (≥75 nmol/l), of which: 40 patients had mild COVID-19 or did not tolerate this disease and 3 patients had moderate COVID-19 - severe form of an average vitamin level. Twelve people had vitamin D deficiency (≥ 20 and &lt;30 ng/mL (≥50 and &lt;75 nmol/L)). Of these, 7 patients had mild or no COVID-19 and 5 patients had moderate to severe COVID-19. When statistically evaluating the data, a statistical significance was found between the severity of the COVID-19 infection and the level of vitamin D in the blood plasma. Conclusion. An associative relationship was found between the level of vitamin D in blood plasma and the severity of the course of the COVID-19 infection. In the studied sample of patients, no association was found between the genotypes of the studied genes and the severity of the COVID-19 infection.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>витамин D</kwd><kwd>COVID-19</kwd><kwd>полиморфизм</kwd><kwd>генотип</kwd><kwd>VDR rs1544410</kwd><kwd>VDR rs2228570</kwd><kwd>NADSYN1 rs3829251</kwd><kwd>GC rs2282679</kwd></kwd-group><kwd-group xml:lang="en"><kwd>vitamin D</kwd><kwd>COVID-19</kwd><kwd>polymorphism</kwd><kwd>genotype</kwd><kwd>VDR rs1544410</kwd><kwd>VDR rs2228570</kwd><kwd>NADSYN1 rs3829251</kwd><kwd>GC rs2282679</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">Mohan M., Cherian J. J., Sharma A. Exploring links between vitamin D deficiency and COVID-19. PLoS Pathog. 2020;16(9): e1008874. doi: 10.1371/journal.ppat.1008874.</mixed-citation><mixed-citation xml:lang="en">Mohan M., Cherian J. J., Sharma A. 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