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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">10.25557/2073-7998.2021.09.34-44</article-id><article-id custom-type="elpub" pub-id-type="custom">medgen-1976</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>КЛИНИЧЕСКИЙ СЛУЧАЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL CASE</subject></subj-group></article-categories><title-group><article-title>Преимплантационное генетическое тестирование синдрома Хантера: клинический случай</article-title><trans-title-group xml:lang="en"><trans-title>Preimplantation genetic testing for mucopolysaccharidosis type II: a case report</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>Соловьёва</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Soloveva</surname><given-names>E. V.</given-names></name></name-alternatives><email xlink:type="simple">elena.soloveva@medgenetics.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>Минайчева</surname><given-names>Л. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Minaycheva</surname><given-names>L. I.</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>Склеймова</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Skleimova</surname><given-names>M. M.</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>Фомин</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Fomin</surname><given-names>A. O.</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"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бройтман</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Broitman</surname><given-names>E. V.</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"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бакулина</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Bakulina</surname><given-names>E. M.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зотов</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zotov</surname><given-names>S. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Яковлева</surname><given-names>Ю. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Yakovleva</surname><given-names>Y. S.</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>Жигалина</surname><given-names>Д. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhigalina</surname><given-names>D. I.</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>Канбекова</surname><given-names>О. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Kanbekova</surname><given-names>O. R.</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>Сеитова</surname><given-names>Г. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Seitova</surname><given-names>G. N.</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>Научно-исследовательский институт медицинской генетики, Томский национальный исследовательский медицинский центр Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>АО Медицинский Центр «АВИЦЕННА» группы компаний «Мать и Дитя»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Medical Center «AVICENNA» JSC of the group of companies «Mother and Child»</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ООО «Витромед»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Vitromed LLC</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>09</day><month>12</month><year>2021</year></pub-date><volume>20</volume><issue>9</issue><fpage>34</fpage><lpage>44</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Соловьёва Е.В., Минайчева Л.И., Склеймова М.М., Фомин А.О., Бройтман Е.В., Бакулина Е.М., Зотов С.В., Яковлева Ю.С., Жигалина Д.И., Канбекова О.Р., Сеитова Г.Н., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Соловьёва Е.В., Минайчева Л.И., Склеймова М.М., Фомин А.О., Бройтман Е.В., Бакулина Е.М., Зотов С.В., Яковлева Ю.С., Жигалина Д.И., Канбекова О.Р., Сеитова Г.Н.</copyright-holder><copyright-holder xml:lang="en">Soloveva E.V., Minaycheva L.I., Skleimova M.M., Fomin A.O., Broitman E.V., Bakulina E.M., Zotov S.V., Yakovleva Y.S., Zhigalina D.I., Kanbekova O.R., Seitova G.N.</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/1976">https://www.medgen-journal.ru/jour/article/view/1976</self-uri><abstract><p>Цель: представление клинического случая успешного преимплантационного генетического тестирования моногенного заболевания (ПГТ-М) - мукополисахаридоза второго типа (МПС II, синдром Хантера). Методы. Супружеская пара (32 и 31 год), имеющая ребенка с МПС II, обратилась за проведением ПГТ-М (патогенный вариант гена IDS - c.613delG). У женщины также имелась инверсия хромосомы 10. Для семьи была разработана система таргетного преимплантационного тестирования МПС II, валидирована на единичных лимфоцитах и продуктах полногеномной амплификации. Использовали метод двухраундной ПЦР с детекцией фрагментным анализом. В двух программах экстракорпорального оплодотворения (ЭКО) применяли стандартные протоколы стимуляции суперовуляции, оплодотворение проводили методом ИКСИ (инъекция сперматозоида в цитоплазму ооцита). Биопсию эмбрионов выполняли на пятые сутки развития (один эмбрион на шестые), эмбрионы витрифицировали. ПГТ-М проводили в транспортном варианте по схеме, разработанной на подготовительном этапе. Пренатальную диагностику выполняли методом хорионбиопсии, анализировали кариотип, ген IDS и пол плода. Результаты. При разработке системы были подобраны и протестированы 14 STR-маркеров (коротких тандемных повторов), сцепленных с геном IDS, из которых половина была информативна и давала амплификацию для единичных клеток. Разработанная для семьи система ПГТ-М МПС II включала анализ патогенного варианта гена IDS, семи информативных STR-маркеров, генов AMEL и SRY. Преимплантационное тестирование анеуплоидии не проводилось (пациентка отказалась). В первой программе ЭКО протестировано и рекомендовано к переносу три эмбриона, однако перенос был отложен по желанию супружеской пары. Во второй программе ЭКО пять эмбрионов были протестированы, три рекомендованы к переносу. Проведен криоперенос одного эмбриона мужского пола с нормальной хромосомой X в отношении патогенного варианта гена IDS. Наступила одноплодная беременность. Пренатальная диагностика полностью подтвердила результаты ПГТ-М. Беременность успешно завершилась срочными родами здорового мальчика в июле 2021 года. Заключение Разработанная нами система, успешное проведение всех этапов ЭКО и ПГТ-М и хороший репродуктивный потенциал супружеской пары позволили достичь беременности и рождения здорового ребенка в семье с высоким генетическим риском в отношении МПС II.</p></abstract><trans-abstract xml:lang="en"><p>Aim: we report of our data of successful preimplantation genetic testing (PGT-M) for mucopolysaccharidosis type II (MPS II, Hunter syndrome). Methods. A couple (32 and 31 years old) with Hunter syndrome affected child asked for PGT-M for MPS II (pathogenic variant c.613delG of the IDS gene). In addition, the woman has an inversion of chromosome 10. A system of targeted preimplantation testing was developed for the family, validated on single lymphocytes and whole genome amplification products.. Nested PCR method and fragmentary analysis were used for molecular genetic studies. Two IVF (in vitro fertilization) programs was carried out. Standard protocols for controlled ovarian hyperstimulation with fertilization by ICSI (intracytoplasmic sperm injection) were used. Embryo biopsy was performed on the 5th day of embryo development (day 6th for one embryo), embryos were vitrified. Transport PGT-M (PGT for monogenic/single gene defects) was carried using system created at pre-examination setup. Prenatal diagnosis was performed using the chorion villus biopsy method; karyotype, IDS gene and fetal sex were analyzed. Results. During setup, 14 STR (short tandem repeat) markers linked to the IDS gene were selected and tested, half of them were informative and acceptable for single cells. Developed for the family the PGT-M MPS II system included analysis of a pathogenic variant of the IDS gene, seven informative STR markers, AMEL and SRY genes. No PGT-A (PGT for aneuploidy) was carried out. In the first IVF program, three embryos were tested and recommended for transfer, but the transfer was postponed at the patient request. In the second IVF program, five embryos were tested, three recommended for transfer. Frozen single embryo transfer of normal male embryo at the second of IVF-PGT-M program was carried out. A singleton pregnancy was achieved. Prenatal diagnosis fully confirmed PGT-M results. A healthy boy was delivered in July 2021. Conclusions. The successful implementation IVF-PGT-M with developed system and good reproductive potential of the couple made it possible to achieve pregnancy and the birth of a healthy child in a family with a high genetic risk for MPS II.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ПГТ-М</kwd><kwd>преимплантационное генетическое тестирование моногенных болезней</kwd><kwd>мукополисахаридоз тип II (МПС II)</kwd><kwd>синдром Хантера</kwd><kwd>ЭКО</kwd><kwd>ген IDS</kwd></kwd-group><kwd-group xml:lang="en"><kwd>PGT-M</kwd><kwd>Preimplantation testing for monogenic/single gene defects</kwd><kwd>Mucopolysaccharidosis type II (MPS II)</kwd><kwd>Hunter syndrome</kwd><kwd>IDS gene</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">D’Avanzo F., Rigon L., Zanetti A., Tomanin R. Mucopolysaccharidosis Type II: One Hundred Years of Research, Diagnosis, and Treatment. Int. J. Mol. 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