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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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Immunology</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Immunology</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский иммунологический журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1028-7221</issn><issn publication-format="electronic">2782-7291</issn><publisher><publisher-name xml:lang="en">Russian Society of Immunology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">10</article-id><article-id pub-id-type="doi">10.31857/S102872210005018-4</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">IN SILICO ANALYSIS OF T-CELL RECEPTORS SPECIFIC TO THE MINOR HISTOCOMPATIBILITY ANTIGEN HA-2</article-title><trans-title-group xml:lang="ru"><trans-title>IN SILICO АНАЛИЗ ПОСЛЕДОВАТЕЛЬНОСТЕЙ Т-КЛЕТОЧНЫХ РЕЦЕПТОРОВ, СПЕЦИФИЧНЫХ К МИНОРНОМУ АНТИГЕНУ ГИСТОСОВМЕСТИМОСТИ HA-2</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sheetikov</surname><given-names>S. A.</given-names></name><name xml:lang="ru"><surname>Шитиков</surname><given-names>С. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>trainee-researcher, laboratory of transplantation immunology,</p><p>Moscow</p></bio><bio xml:lang="ru"><p>стажер-исследователь, Лаборатория трансплантационной иммунологии,</p><p>125167, Москва, Новый Зыковский пр., д. 4</p></bio><email>sheetikov.s@blood.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kuchmiy</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Кучмий</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Biology), research scientist, laboratory of transplantation immunology,</p><p>Moscow</p></bio><bio xml:lang="ru"><p>к. б. н., научный сотрудник, Лаборатория трансплантационной иммунологии,</p><p>Москва,</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bykova</surname><given-names>N. A.</given-names></name><name xml:lang="ru"><surname>Быкова</surname><given-names>Н. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>research scientist, laboratory of transplantation immunology,</p><p>Moscow</p></bio><bio xml:lang="ru"><p>научный сотрудник,</p><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Filkin</surname><given-names>S. Yu.</given-names></name><name xml:lang="ru"><surname>Филькин</surname><given-names>С. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>research scientist, laboratory of transplantation immunology,</p><p>Moscow</p></bio><bio xml:lang="ru"><p>научный сотрудник, Лаборатория трансплантационной иммунологии,</p><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Romaniuk</surname><given-names>D. S.</given-names></name><name xml:lang="ru"><surname>Романюк</surname><given-names>Д. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>research scientist, laboratory of transplantation immunology,</p><p>Moscow </p></bio><bio xml:lang="ru"><p>научный сотрудник, Лаборатория трансплантационной иммунологии,</p><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Efimov</surname><given-names>G. A.</given-names></name><name xml:lang="ru"><surname>Ефимов</surname><given-names>Г. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Biology), Head of Laboratory, laboratory of transplantation immunology</p><p>Moscow</p></bio><bio xml:lang="ru"><p>к. б. н., заведующий лабораторией, Лаборатория трансплантационной иммунологии,</p><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">National Research Center for Hematology, Russian Academy of Medical Sciences (HSC)</institution></aff><aff><institution xml:lang="ru">ФГБУ Национальный медицинский исследовательский центр гематологии Министерства здравоохранения РФ</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Lomonosov Moscow State University</institution></aff><aff><institution xml:lang="ru">Московский государственный университет имени М. В. Ломоносова</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2019-01-15" publication-format="electronic"><day>15</day><month>01</month><year>2019</year></pub-date><volume>22</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>31</fpage><lpage>43</lpage><history><date date-type="received" iso-8601-date="2020-03-29"><day>29</day><month>03</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-03-29"><day>29</day><month>03</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, Sheetikov S.A., Kuchmiy A.A., Bykova N.A., Filkin S.Y., Romaniuk D.S., Efimov G.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, Шитиков С.А., Кучмий А.А., Быкова Н.А., Филькин С.Ю., Романюк Д.С., Ефимов Г.А.</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="en">Sheetikov S.A., Kuchmiy A.A., Bykova N.A., Filkin S.Y., Romaniuk D.S., Efimov G.A.</copyright-holder><copyright-holder xml:lang="ru">Шитиков С.А., Кучмий А.А., Быкова Н.А., Филькин С.Ю., Романюк Д.С., Ефимов Г.А.</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://rusimmun.ru/jour/article/view/10">https://rusimmun.ru/jour/article/view/10</self-uri><abstract xml:lang="en"><p>Hematopoietic stem cells transplantation of (HSCT) from the related or unrelated donor is used as a treatment for hematopoietic system malignancies. However, transplantation triggers an immune response of the donor cells to the recipient’s antigens. The response to the healthy tissues is called a graft versus host reaction (GVHD), and the response to the hematopoietic tissue in the context of malignant disease is called a graft versus leukemia (GVL) eff ect. The development of GVL reactivity is a favorable consequence of transplantation, since it eliminates residual tumor cells and prevents the relapse. It was demonstrated that immune response arises towards polymorphic peptides, presented in the molecules of the major histocompatibility complex (HLA). Such peptides are derived from the proteasomal degradation of proteins expressed from the genes with non-synonymous single nucleotide polymorphisms and are referred to as minor histocompatibility antigens (MiHA). Studying the structure of T- cell receptor (TCR) repertoires that recognize MiHAgs can help identify the mechanisms for the formation of the alloreactive response and is important for predicting the antigen of alloreactive clones with unknown specificity. In this article the genetic sequences encoding T-cell receptors specific to the HA-2 minor antigen were determined and analyzed in silico. We found the predominant use of the V21 and J42 segments in the formation of the CDR3 region of the α-chain and the presence of the V7-8 segment in most CDR3 β-chain regions, which indicates the existence of a conservative motif responsible for recognizing the HA-2 antigen.</p></abstract><trans-abstract xml:lang="ru"><p>Трансплантация гемопоэтических клеток (ТГСК) от родственного или неродственного донора применяется при терапии опухолей кроветворной системы. Однако, при трансплантации развивается иммунный ответ клеток донора на антигены реципиента. Ответ на здоровые ткани называется реакцией «трансплантат против хозяина» (РТПХ), а ответ на гемопоэтическую ткань в контексте гемобластоза, называется реакцией «трансплантат против опухоли» (РТПО). Развитие РТПО является благоприятным последствием трансплантации, поскольку данная реакция элиминирует остаточные опухолевые клетки и предотвращает рецидив. Было показано, что иммунный ответ возникает на полиморфные пептиды, презентируемые в составе молекул главного комплекса гистосовместимости (HLA). Такие пептиды являются результатом протеасомной деградации белков, кодируемых генами, содержащими несинонимичные однонуклеотидные полиморфизмы, и называются минорными антигенами гистосовместимости (МАГ). Изучение структуры репертуаров Т клеточных рецепторов (ТКР), распознающих МАГ, может помочь в идентификации механизмов формирования аллореактивного ответа и является важным для предсказания антигена аллореактивных клонов с неустановленной специфичностью. В данной статье были определены и проанализированы in silico генетические последовательности, кодирующие Т-клеточные рецепторы, специфичные к минорному антигену HA-2. Нами было обнаружено преимущественное использование V21 и J42 сегментов α-цепи при формировании CDR3 участка и присутствие V7-8 сегмента в большинстве CDR3 участков β-цепи, что указывает на существование консервативного мотива, ответственного за распознавание антигена HA-2.</p></trans-abstract><kwd-group xml:lang="en"><kwd>GVHD</kwd><kwd>GVL</kwd><kwd>HSCT</kwd><kwd>T cell receptor</kwd><kwd>minor antigens of histocompatibility</kwd><kwd>alloreactive response</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>РТПХ</kwd><kwd>РТПО</kwd><kwd>ТГСК</kwd><kwd>Т-клеточные рецепторы</kwd><kwd>минорные антигены гистосовместимости</kwd><kwd>аллореактивный ответ</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>1. Barrett A. J., Battiwalla M. 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