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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">10.25557/2073-7998.2024.06.11-19</article-id><article-id custom-type="elpub" pub-id-type="custom">medgen-2485</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>Пилотное исследование ассоциации распространенных вариантов NOS3  с риском развития преэклампсии у российских беременных женщин из Ростовской области</article-title><trans-title-group xml:lang="en"><trans-title>Pilot association of common NOS3  variants with Preeclampsia risk in Russian pregnant women from Rostov 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>Алаяса</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Alayasa</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>344090, г. Ростов-на-Дону, пр. Стачки, д. 194/1</p></bio><bio xml:lang="en"><p>194/1 Stachki Avenue, Rostov on Don 344090</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>Шкурат</surname><given-names>Т. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Shkurat</surname><given-names>T. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>344090, г. Ростов-на-Дону, пр. Стачки, д. 194/1</p><p>344034, г. Ростов-на-Дону, ул. Загорская, д. 23А</p></bio><bio xml:lang="en"><p>194/1 Stachki Avenue, Rostov on Don 344090</p><p>23A Zagorskaya, Rostov-on-Don 344034</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Южный федеральный университет, Академия биологии и биотехнологии имени Д.И. Ивановского</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Academy of Biology and Biotechnology named after D I Ivanovsky, Southern Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Южный федеральный университет, Академия биологии и биотехнологии имени Д.И. Ивановского; Медицинский центр «Наука»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Academy of Biology and Biotechnology named after D I Ivanovsky, Southern Federal University; Medical Center “Nauka”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>21</day><month>08</month><year>2024</year></pub-date><volume>23</volume><issue>6</issue><fpage>11</fpage><lpage>19</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Алаяса Н.Н., Шкурат Т.П., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Алаяса Н.Н., Шкурат Т.П.</copyright-holder><copyright-holder xml:lang="en">Alayasa N.N., Shkurat T.P.</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/2485">https://www.medgen-journal.ru/jour/article/view/2485</self-uri><abstract><p>Преэклампсия (ПЭ) − тяжелое заболевание, поражающее беременных женщин, часто развивается после 20 недель гестации, и является наиболее распространенным серьезным расстройством, составляя 2-8% осложнений, связанных с беременностью, во всем мире. Цель исследования: изучить ассоциацию двух вариантов в гене NOS3 (-786T&gt;C; rs2070744) и (894G&gt;T; rs1799983) с риском развития ПЭ у российских беременных женщин из Ростовской области. В исследование типа «случай-контроль» были включены 106 беременных женщин (46 с ПЭ и 60 здоровых, составивших контрольную группу). Генотипирование выбранных генетических вариантов NOS3 (-786T&gt;C) и (894G&gt;T) проводилось методом аллель-специфической RT-PCR. Для оценки взаимодействия SNP-SNP с риском развития ПЭ использовали многофакторное снижение размерности (MDR). Кроме того, мы проанализировали неравновесие по сцеплению (LD) и ассоциацию гаплотипов выбранных SNP в исследуемой популяции. Согласно нашим результатам, оба полиморфизма NOS3 были статистически значимы (р=0,004 и р=0,045, соответственно). Генотип NOS3 -786(TT) (OR=0,25 95% CI [0,11- 0,58]) и генотип NOS3 894(GG) (OR=0,38 95% CI [0,17- 0,84]) были ассоциированы с низким риском развития ПЭ. Генотипы -786(TC) (OR=4,17 95% CI [1,76-9,85]), 894(GT) (OR=2,48 95% CI [1,10-5,63]) и доминантная модель NOS3 (-786T&gt;C) TC+CC (OR=3. 97 95% CI [1,72-9,14]), а также доминантная модель GT+TT NOS3 (894G&gt;T) (OR=2,64 95% CI [1,20-5,82]) были связаны с повышенным риском развития ПЭ. Кроме того, аллели -786(C) (OR=2,21 95% CI [1,23-3,98]) и 894(T) (OR=2,14 95% CI [1,15-4,01]) были ассоциированы с повышенным риском ПЭ. Взаимодействие SNP-SNP было статистически значимым (р=0,0003). Кроме того, было показано, что два гаплотипа вариантов гена NOS3 -786C*894G (OR=3,01 95% CI [1,15-7,86]; р=0,027) и -786C*894T (OR=3,03 95% CI [1,27-7,23]; р=0,014) статистически значимо ассоциированы с повышенным риском ПЭ. </p></abstract><trans-abstract xml:lang="en"><p>Preeclampsia (PE) is a severe medical condition affecting pregnant women, often developing after 20 weeks, and is the most common serious disorder during pregnancy, contributing to 2%-8% of pregnancy-related complications worldwide. The goal of this study is to investigate the association of two genetic variants in NOS3 (-786T&gt;C; rs2070744) and (894G&gt;T; rs1799983) with the risk of developing PE in Russian pregnant women from Rostov region. The case–control study involved 106 pregnant women (46 pregnant women with PE and 60 healthy controls). Genotyping of the selected NOS3 genetic variants (-786T&gt;C) and (894G&gt;T) was done using allele specific RT-PCR. Multifactor dimensionality reduction (MDR) was used to assess the relationship between the SNP-SNP interaction and risk of developing PE. In addition, we analyzed the linkage disequilibrium (LD), and haplotypes association for the selected SNPs in the studied population. According to our results, both NOS3 polymorphisms were statistically significant (P=0.004 and P=0.045, respectively). The NOS3 -786(TT) genotype (OR=0.25 95% CI [0.11- 0.58]) and the NOS3 894(GG) genotype (OR=0.38 95% CI [0.17- 0.84]) were associated with low risk of developing PE. While -786(TC) genotype (OR=4.17 95% CI [1.76-9.85]), 894(GT) (OR=2.48 95% CI [1.10-5.63]) and dominant model of NOS3 (-786T&gt;C) TC+CC (OR=3.97 95% CI [1.72-9.14]) as well as the dominant model GT+TT of NOS3 (894G&gt;T) (OR=2.64 95% CI [1.20-5.82]) were associated with increased risk of PE. In addition, the polymorphism -786(C) allele (OR=2.21 95% CI [1.23-3.98]) and polymorphism 894(T) allele (OR=2.14 95% CI [1.15-4.01]) were both associated with an increased risk of PE. According to the MDR results, the SNP-SNP interaction was statistically significant (P=0.0003). Moreover, two haplotypes of NOS3 gene variants -786C*894G (OR=3.01 95% CI [1.15- 7.86]; P=0.027) and -786C*894T (OR=3.03 95% CI [1.27-7.23]; P=0.014) were shown to be statistically related with an elevated risk of PE. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>преэклампсия</kwd><kwd>полиморфизм</kwd><kwd>eNOS</kwd><kwd>NOS3</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Preeclampsia</kwd><kwd>polymorphism</kwd><kwd>eNOS</kwd><kwd>NOS3</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при финансовой поддержке гранта Министерства науки и высшего образования РФ  № FENW-2023-0018</funding-statement><funding-statement xml:lang="en">This study was funded by the Ministry of Science and Higher Education of the Russian Federation grant № FENW-2023-0018.</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">Akaba G.O., Anyang U.I., Ekele B.A. Prevalence and materno-fetal outcomes of preeclampsia/eclampsia amongst pregnant women at a teaching hospital in north-central Nigeria: a retrospective crosssectional study. 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