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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">bloodjour</journal-id><journal-title-group><journal-title xml:lang="ru">Гематология и трансфузиология</journal-title><trans-title-group xml:lang="en"><trans-title>Russian journal of hematology and transfusiology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0234-5730</issn><issn pub-type="epub">2411-3042</issn><publisher><publisher-name>ООО Издательский дом «Практика»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.35754/0234-5730-2023-68-3-410-423</article-id><article-id custom-type="elpub" pub-id-type="custom">bloodjour-483</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>КЛИНИЧЕСКИЕ НАБЛЮДЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CASE REPORTS</subject></subj-group></article-categories><title-group><article-title>Качественные изменения тромбоцитов при аномалии Мея-Хегглина</article-title><trans-title-group xml:lang="en"><trans-title>Qualitative platelet alterations in May — Hegglin anomaly</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4657-0140</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сафиуллина</surname><given-names>С. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Safiullina</surname><given-names>S. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Светлана Ильдаровна Сафиуллина, кандидат медицинских наук, доцент</p><p>кафедра внутренних болезней</p><p>420012</p><p>420081</p><p>Казань</p></bio><bio xml:lang="en"><p>Svetlana I. Safiullina, Cand. Sci. (Med.), Associate Professor</p><p>Department of Internal Diseases</p><p>420012</p><p>420081</p><p>Kazan</p></bio><email xlink:type="simple">svetlana.ild.safiullina@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/0000-0002-4950-3691</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Евтюгина</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Evtugina</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наталья Геннадьевна Евтюгина, аспирант</p><p>кафедра биохимии, биотехнологии и фармакологии </p><p>420012</p><p>Казань</p></bio><bio xml:lang="en"><p>Natalia G. Evtugina, Postgraduate student</p><p>Department of Biochemistry, Biotechnology and Pharmacology</p><p>420012</p><p>Kazan</p></bio><email xlink:type="simple">natalja.evtugyna@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8597-811X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хисматуллин</surname><given-names>Р. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Khismatullin</surname><given-names>R. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рафаэль Рафикович Хисматуллин, кандидат медицинских наук, старший преподаватель</p><p>кафедра морфологии и общей патологии </p><p>420012</p><p>Казань</p></bio><bio xml:lang="en"><p>Rafael R. Khismatullin, Cand. Sci. (Med.), Senior Lecturer</p><p>Department of Morphology and General Pathology</p><p>420012</p><p>Kazan</p></bio><email xlink:type="simple">rafael.khismatullin@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4227-008X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кравцова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kravtsova</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ольга Александровна Кравцова, кандидат биологических наук, доцент</p><p>кафедра биохимии, биотехнологии и фармакологии</p><p>420012</p><p>Казань</p></bio><bio xml:lang="en"><p>Olga A. Kravtsova, Cand. Sci. (Biol.), Associate Professor</p><p>Department of Biochemistry, Biotechnology and Pharmacology</p><p>420012</p><p>Kazan</p></bio><email xlink:type="simple">okravz@yandex.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/0000-0002-7243-8832</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хабирова</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Khabirova</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алина Ильшатовна Хабирова, младший научный сотрудник</p><p>420012</p><p>Казань</p></bio><bio xml:lang="en"><p>Alina I. Khabirova, junior researcher</p><p>420012</p><p>Kazan</p></bio><email xlink:type="simple">alina.urussu.95@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3973-3183</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Андрианова</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Andrianova</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Изабелла Александровна Андрианова,  кандидат биологических наук, старший научный сотрудник</p><p>420012</p><p>Казань</p></bio><bio xml:lang="en"><p>Izabella A. Andrianova, Cand. Sci. (Biol.), Senior Researcher</p><p>420012</p><p>Kazan</p></bio><email xlink:type="simple">izabella2d@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7672-4430</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Даминова</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Daminova</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Амина Галеевна Даминова, кандидат биологических наук, старший преподаватель</p><p>кафедра биохимии, биотехнологии и фармакологии</p><p>420012 </p><p>Казань</p></bio><bio xml:lang="en"><p>Amina G. Daminova, Cand. Sci. (Biol.), Chief Project Engineer</p><p>420012</p><p>Kazan</p></bio><email xlink:type="simple">daminova.ag@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8790-1818</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пешкова</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Peshkova</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алина Дмитриевна Пешкова, кандидат биологических наук, старшийпреподаватель</p><p>кафедра биохимии, биотехнологии и фармакологии </p><p>420012</p><p>Казань</p></bio><bio xml:lang="en"><p>Alina D. Peshkova, Cand. Sci. (Biol.), Senior Lecturer</p><p>Department of Biochemistry, Biotechnology and Pharmacology</p><p>420012</p><p>Kazan</p></bio><email xlink:type="simple">alinapeshkova26@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0643-1496</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Литвинов</surname><given-names>Р. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Litvinov</surname><given-names>R. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рустем Игоревич Литвинов, доктор медицинских наук, профессор, старший исследователь</p><p>Департамент клеточной биологии медицинского факультета</p><p>Отдел клеточной биологии и биологии развития</p><p>Филадельфия</p></bio><bio xml:lang="en"><p>Rustem I. Litvinov, Dr. Sci. (Med.), Professor, Senior Researcher</p><p>Department of Cell and Developmental Biology</p><p>421 Curie Blvd., BRB II/III, Philadelphia, PA 19104-6058</p><p>Pennsylvania</p><p>Philadelphia</p></bio><email xlink:type="simple">rustempa@gmail.com</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Институт фундаментальной медицины и биологии ФГАОУ ВО «Казанский федеральный университет»; Медицинский центр «Айболит»<country>Россия</country></aff><aff xml:lang="en">Institute of Fundamental Medicine and Biology, Kazan Federal University; “Aibolit” Medical Center<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Институт фундаментальной медицины и биологии ФГАОУ ВО «Казанский федеральный университет»<country>Россия</country></aff><aff xml:lang="en">Institute of Fundamental Medicine and Biology, Kazan Federal University<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Университет Пенсильвании<country>Соединённые Штаты Америки</country></aff><aff xml:lang="en">University of Pennsylvania School of Medicine<country>United States</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>16</day><month>11</month><year>2023</year></pub-date><volume>68</volume><issue>3</issue><fpage>410</fpage><lpage>423</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сафиуллина С.И., Евтюгина Н.Г., Хисматуллин Р.Р., Кравцова О.А., Хабирова А.И., Андрианова И.А., Даминова А.Г., Пешкова А.Д., Литвинов Р.И., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Сафиуллина С.И., Евтюгина Н.Г., Хисматуллин Р.Р., Кравцова О.А., Хабирова А.И., Андрианова И.А., Даминова А.Г., Пешкова А.Д., Литвинов Р.И.</copyright-holder><copyright-holder xml:lang="en">Safiullina S.I., Evtugina N.G., Khismatullin R.R., Kravtsova O.A., Khabirova A.I., Andrianova I.A., Daminova A.G., Peshkova A.D., Litvinov R.I.</copyright-holder><license 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.htjournal.ru/jour/article/view/483">https://www.htjournal.ru/jour/article/view/483</self-uri><abstract><sec><title>   Введение</title><p>   Введение. Аномалия Мея — Хегглина — разновидность мутации в гене MYH9, при которой нарушается динамика цитоскелета в мегакариоцитах. Дисфункция мегакариоцитов влечет нарушение тромбоцитопоэза, которое проявляется макротромбоцитопенией, иногда ассоциированной с кровоточивостью.</p></sec><sec><title>   Цель</title><p>   Цель: изучить структуру и функцию тромбоцитов у членов семьи с аномалией Мея — Хегглина.</p></sec><sec><title>   Материалы и методы</title><p>   Материалы и методы. Обследованы пробанд, ее сестра и их мать, у которых обнаружена гетерозиготная мутация R1933X в гене MYH9. Обследование включало общий анализ крови, микроскопию периферической крови, проточную цитометрию тромбоцитов, кинетику контракции сгустков крови, сканирующую и трансмиссионную электронную микроскопию тромбоцитов. Контрольную группу составили 10 здоровых доноров.</p></sec><sec><title>   Результаты</title><p>   Результаты: При отсутствии геморрагического синдрома степень контракции сгустков крови была сниженной (у пробанда и ее сестры) или нормальной (у матери). При проточной цитометрии обнаружили фоновую активацию нестимулированных тромбоцитов, установленную по сверхэкспрессии Р-селектина и активного интегрина αIIbβ3. После стимуляции тромбиновых рецепторов пептидом TRAP-6 доля тромбоцитов, экспрессировавших Р-селектин, у пробанда и ее сестры была существенно ниже, чем у здоровых доноров, что указывало на частичную рефрактерность тромбоцитов. Электронная микроскопия нестимулированных тромбоцитов, наряду с макротромбоцитозом, выявила множественные филоподии и значительное расширение открытой канальцевой системы, содержащей нитевидные и везикулярные включения.</p></sec><sec><title>   Заключение</title><p>   Заключение. Аномалия Мея — Хегглина, обусловленная гетерозиготной мутацией R1933X гена MYH9, сопровождается тромбоцитопенией и качественными структурными и функциональными дефектами тромбоцитов. Фоновая активация тромбоцитов парадоксальным образом сочетается с их частичной дисфункцией, что нарушает уплотнение (ретракцию) гемостатических сгустков, предрасполагая больных к геморрагическому диатезу.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>   Introduction</title><p>   Introduction: May — Hegglin anomaly is an autosomal dominant mutation in the MYH9 gene that disrupts the dynamics of the cytoskeleton in megakaryocytes. Megakaryocyte dysfunction entails a violation of thrombocytopoiesis, which is manifested by macrothrombocytopenia, sometimes associated with bleeding.</p></sec><sec><title>   Aim</title><p>   Aim: to study the structure and function of platelets in the family members with documented May — Hegglin anomaly.</p></sec><sec><title>   Patients and methods</title><p>   Patients and methods. The proband, her sister and their mother who all had a heterozygous mutation R1933X in the MYH9 gene were examined. The examination included complete blood count, peripheral blood microscopy, platelet flow cytometry, blood clot contraction kinetics, scanning and transmission electron microscopy of platelets. The control group included10 healthy donors.</p></sec><sec><title>   Results</title><p>   Results. In the proband and her sister the degree of contraction of blood clots was reduced. Unstimulated platelets displayed overexpression of P-selectin and active αIIbβ3 integrin. After TRAP-induced stimulation the proportion of platelets expressing P-selectin in the patients was below normal, indicating partial platelet refractoriness. Electron microscopy of the unstimulated platelets revealed macrothrombocytosis and multiple filopodia, as well as enlargement of the open canalicular system.</p></sec><sec><title>   Conclusion</title><p>   Conclusion. The May — Hegglin anomaly caused by a heterozygous mutation R1933X in the MYH9 gene is accompanied by thrombocytopenia associated with structural and functional platelet defects. Partial platelet refractoriness and contractile dysfunction can impair the retraction of hemostatic clots, predisposing patients with MYH9-related disorders to bleeding.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>макротромбоцитопения</kwd><kwd>мутации гена MYH9</kwd><kwd>тромбоцитопатия</kwd><kwd>контракция сгустков крови</kwd></kwd-group><kwd-group xml:lang="en"><kwd>macrothrombocytopenia</kwd><kwd>MYH9 gene mutations</kwd><kwd>thrombocytopathy</kwd><kwd>blood clot contraction</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Работа выполнена при поддержке «Программы стратегического академического лидерства Казанского федерального университета» (ПРИОРИТЕТ-2030)</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>This work was supported by the Strategic Academic Leadership Program (PRIORITY-2030) at the Kazan Federal University</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">Handin R.I. 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Hematology. 2015; 20(10): 587–92. DOI: 10.1179/1607845415Y.0000000021.</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>
