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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Pediatric Hematology/Oncology and Immunopathology</journal-id><journal-title-group><journal-title xml:lang="en">Pediatric Hematology/Oncology and Immunopathology</journal-title><trans-title-group xml:lang="ru"><trans-title>Вопросы гематологии/онкологии и иммунопатологии в педиатрии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1726-1708</issn><issn publication-format="electronic">2414-9314</issn><publisher><publisher-name xml:lang="en">Fund Doctors, Innovations, Science for Children</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">653</article-id><article-id pub-id-type="doi">10.24287/1726-1708-2022-21-3-77-83</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CLINICAL OBSERVATIONS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КЛИНИЧЕСКИЕ НАБЛЮДЕНИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Rare unstable hemoglobin Hakkari in Russia: a case report and literature review</article-title><trans-title-group xml:lang="ru"><trans-title>Редкий вариант нестабильного гемоглобина Hakkari в России: описание случая и обзор литературы</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1014-5196</contrib-id><name-alternatives><name xml:lang="en"><surname>Mann</surname><given-names>S. G.</given-names></name><name xml:lang="ru"><surname>Манн</surname><given-names>С. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Svetlana G. Mann, a researcher at the Laboratory of Molecular Biology</p><p>1 Samory Mashela St., 117997, Moscow, Russia</p></bio><bio xml:lang="ru"><p>Манн Светлана Геннадьевна, научный сотрудник лаборатории молекулярной биологии</p><p>117997, Москва, ул. Саморы Машела, 1</p></bio><email>9035974212@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0929-4792</contrib-id><name-alternatives><name xml:lang="en"><surname>Krasilnikova</surname><given-names>M. V.</given-names></name><name xml:lang="ru"><surname>Красильникова</surname><given-names>М. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., 117997, Moscow, Russia</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9865-527X</contrib-id><name-alternatives><name xml:lang="en"><surname>Karamjan</surname><given-names>N. A.</given-names></name><name xml:lang="ru"><surname>Карамян</surname><given-names>Н. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., 117997, Moscow, Russia</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4222-2915</contrib-id><name-alternatives><name xml:lang="en"><surname>Lokhmatova</surname><given-names>M. E.</given-names></name><name xml:lang="ru"><surname>Лохматова</surname><given-names>М. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., 117997, Moscow, Russia</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5606-4335</contrib-id><name-alternatives><name xml:lang="en"><surname>Koposova</surname><given-names>A. O.</given-names></name><name xml:lang="ru"><surname>Копосова</surname><given-names>А. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., 117997, Moscow, Russia</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6331-5339</contrib-id><name-alternatives><name xml:lang="en"><surname>Litvin</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Литвин</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., 117997, Moscow, Russia</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4503-0735</contrib-id><name-alternatives><name xml:lang="en"><surname>Plyasunova</surname><given-names>S. A.</given-names></name><name xml:lang="ru"><surname>Плясунова</surname><given-names>С. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., 117997, Moscow, Russia</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology of Ministry of Healthcare of the Russian Federation</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр детской гематологии, онкологии и иммунологии им. Дмитрия Рогачева» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-10-15" publication-format="electronic"><day>15</day><month>10</month><year>2022</year></pub-date><volume>21</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>77</fpage><lpage>83</lpage><history><date date-type="received" iso-8601-date="2022-10-15"><day>15</day><month>10</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-10-15"><day>15</day><month>10</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, «D. Rogachev NMRCPHOI»</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, ФГБУ «НМИЦ ДГОИ им. Дмитрия Рогачева» Минздрава России</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">«D. Rogachev NMRCPHOI»</copyright-holder><copyright-holder xml:lang="ru">ФГБУ «НМИЦ ДГОИ им. Дмитрия Рогачева» Минздрава России</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://hemoncim.com/jour/article/view/653">https://hemoncim.com/jour/article/view/653</self-uri><abstract xml:lang="en"><p>Here we report the first case of unstable hemoglobin Hakkari identified in Russia to our knowledge. It was diagnosed in a two-year-old Russian boy with severe transfusion-dependent anemia caused by a de novo mutation in the b-globin gene [b31(B13) Leu→Arg, HBB: c.95T&gt;G]. Routine diagnostic methods were not effective, and his diagnosis was not established until gene sequencing of the globin gene was performed. A comparative analysis of all known cases of unstable Hb Hakkari allows for the identification of similarities and differences in the clinical and laboratory course of the disease. The patient's parents gave their consent to the use of their child's data, including photographs, for research purposes and in publications.</p></abstract><trans-abstract xml:lang="ru"><p>Нами описан единственный в России случай нестабильного гемоглобина Hakkari у двухлетнего русского мальчика с тяжелой трансфузионнозависимой анемией, возникшей в результате точечной de novo мутации гена b-глобина [b31(B13)Leu→Arg, HBB: c.95T&gt;G]. Сочетание клинической картины тяжелой трансфузионнозависимой анемии, протекающей по типу большой формы b-талассемии, с отсутствием лабораторных признаков, характерных для данного заболевания, и наличием некоторых индивидуальных особенностей показателей крови затруднило диагностический поиск, который был завершен только благодаря современным молекулярно-генетическим методам. Проведенное сравнение всех известных случаев аномального нестабильного гемоглобина Hakkari позволяет выявить совпадения и различия клинико-лабораторного течения заболевания. Родители пациента дали согласие на использование информации, в том числе фотографий ребенка, в научных исследованиях и публикациях.</p></trans-abstract><kwd-group xml:lang="en"><kwd>abnormal hemoglobins</kwd><kwd>unstable hemoglobin</kwd><kwd>hemoglobin Hakkari</kwd><kwd>Heinz bodies</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>аномальные гемоглобины</kwd><kwd>нестабильный гемоглобин</kwd><kwd>гемоглобин Hakkari</kwd><kwd>тельца Гейнца</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">1. Lichtman M.A., Kaushansky K., Prchal J.T., Levi M.M., Burns L.J., Armitage J.O. Williams Manual of Hematology, 9e. 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