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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">Russian Journal of Infection and Immunity</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Infection and Immunity</journal-title><trans-title-group xml:lang="ru"><trans-title>Инфекция и иммунитет</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2220-7619</issn><issn publication-format="electronic">2313-7398</issn><publisher><publisher-name xml:lang="en">SPb RAACI</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">1162</article-id><article-id pub-id-type="doi">10.15789/2220-7619-EBV-1162</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></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Epstein–Barr virus LMP1 oncogene polymorphism in tatar and slavic populations in Russian Federation impacting on some malignant tumours</article-title><trans-title-group xml:lang="ru"><trans-title>Полиморфизм онкогена LMP1 вируса Эпштейна–Барр в двух этнических группах россии, татар и славян, и его влияние на развитие некоторых злокачественных опухолей</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1840-4364</contrib-id><name-alternatives><name xml:lang="en"><surname>Gurtsevitch</surname><given-names>V. E.</given-names></name><name xml:lang="ru"><surname>Гурцевич</surname><given-names>В. Э.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Vladimir E. Gurtsevitch – PhD, MD (Medicine), Professor, Laboratory of Viral Carcinogenesis</p><p>115478, Moscow, Kashirskoye highway, 24Phone: +7 910 444-83-52 (mobile) </p></bio><bio xml:lang="ru"><p>Гурцевич Владимир Эдуардович – д.м.н., профессор, ведущий научный сотрудник лаборатории вирусного канцерогенеза</p><p>115478, Москва, Каширское ш., 24Тел.: 8 910 444-83-52 (моб.)</p></bio><email>gurtsevitch-vlad-88@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6209-977X</contrib-id><name-alternatives><name xml:lang="en"><surname>Smirnova</surname><given-names>K. V.</given-names></name><name xml:lang="ru"><surname>Смирнова</surname><given-names>К. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Biology), Head of the Laboratory of Viral Carcinogenesis, N.N. Blokhin National Medical Research Center of Oncology; Associate Professor, Department of Biochemistry and Molecular Biology, Pirogov National Research Medical University</p><p>Moscow</p></bio><bio xml:lang="ru"><p>к.б.н., руководитель лаборатории вирусного канцерогенеза ФГБУ Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина МЗ РФ; доцент кафедры биохимии и молекулярной биологии Национального медицинского университета им. Пирогова МЗ РФ</p><p>Москва</p></bio><email>skv.lab@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0297-4963</contrib-id><name-alternatives><name xml:lang="en"><surname>Botezatu</surname><given-names>I. V.</given-names></name><name xml:lang="ru"><surname>Ботезату</surname><given-names>И. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Biology), Researcher, Tumor Biochemistry Group</p><p>Moscow</p></bio><bio xml:lang="ru"><p>к.б.н., научный сотрудник группы биохимии опухолей</p><p>Москва</p></bio><email>botezatu@crc.umos.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dushenkina</surname><given-names>T. E.</given-names></name><name xml:lang="ru"><surname>Душенькина</surname><given-names>Т. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Investigator (Biologist), Laboratory of Viral Carcinogenesis</p><p>Moscow</p></bio><bio xml:lang="ru"><p>лаборант-исследователь лаборатории вирусного канцерогенеза</p><p>Москва</p></bio><email>tatyana-duschenkina@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Lubenskaya</surname><given-names>A. K.</given-names></name><name xml:lang="ru"><surname>Лубенская</surname><given-names>А. К.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Investigator (Biologist), Laboratory of Viral Carcinogenesis</p><p>Moscow</p></bio><bio xml:lang="ru"><p>лаборант-исследователь лаборатории вирусного канцерогенеза</p><p>Москва</p></bio><email>lubenskaya.96@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dubar</surname><given-names>E.</given-names></name><name xml:lang="ru"><surname>Дубар</surname><given-names>Э.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Investigator (Biologist), Laboratory of Viral Carcinogenesis</p><p>Moscow</p></bio><bio xml:lang="ru"><p>лаборант-исследователь лаборатории вирусного канцерогенеза</p><p>Москва</p></bio><email>emeldubar@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8915-8274</contrib-id><name-alternatives><name xml:lang="en"><surname>Senyuta</surname><given-names>N. B.</given-names></name><name xml:lang="ru"><surname>Сенюта</surname><given-names>Н. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Medicine), Leading Researcher, Laboratory of Viral Carcinogenesis</p><p>Moscow</p></bio><bio xml:lang="ru"><p>к.м.н., ведущий научный сотрудник лаборатории вирусного канцерогенеза</p><p>Москва</p></bio><email>nat.senyuta@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0190-5069</contrib-id><name-alternatives><name xml:lang="en"><surname>Lichtenstein</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Лихтенштейн</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, MD (Biology), Leading Researcher, Tumor Biochemistry Group</p><p>Moscow</p></bio><bio xml:lang="ru"><p>д.б.н., ведущий научный сотрудник группы биохимии опухолей</p><p>Москва</p></bio><email>alicth@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Petrov</surname><given-names>S. V.</given-names></name><name xml:lang="ru"><surname>Петров</surname><given-names>С. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, MD (Medicine), Professor, Head of the Laboratory of Immunohistochemical Diagnosis of Tumors</p><p>Kazan</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, руководитель лаборатории иммуногистохимической диагностики опухолей</p><p>г. Казань</p></bio><email>semyonp@mail.ru</email><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Blokhin National Medical Research Center of Oncology</institution></aff><aff><institution xml:lang="ru">ФГБУ Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина МЗ РФ</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Pirogov National Research Medical University</institution></aff><aff><institution xml:lang="ru">Национальный медицинский университет им. Пирогова МЗ РФ</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Republican Clinical Oncological Dispensary, Ministry of Health of the Republic of Tatarstan</institution></aff><aff><institution xml:lang="ru">Республиканский клинический онкологический диспансера МЗ Республики Татарстан</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-05-22" publication-format="electronic"><day>22</day><month>05</month><year>2020</year></pub-date><volume>10</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>347</fpage><lpage>358</lpage><history><date date-type="received" iso-8601-date="2019-03-11"><day>11</day><month>03</month><year>2019</year></date><date date-type="accepted" iso-8601-date="2019-12-03"><day>03</day><month>12</month><year>2019</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Gurtsevitch V.E., Smirnova K.V., Botezatu I.V., Dushenkina T.E., Lubenskaya A.K., Dubar E., Senyuta N.B., Lichtenstein A.V., Petrov S.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Гурцевич В.Э., Смирнова К.В., Ботезату И.В., Душенькина Т.Е., Лубенская А.К., Дубар Э., Сенюта Н.Б., Лихтенштейн А.В., Петров С.В.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Gurtsevitch V.E., Smirnova K.V., Botezatu I.V., Dushenkina T.E., Lubenskaya A.K., Dubar E., Senyuta N.B., Lichtenstein A.V., Petrov S.V.</copyright-holder><copyright-holder xml:lang="ru">Гурцевич В.Э., Смирнова К.В., Ботезату И.В., Душенькина Т.Е., Лубенская А.К., Дубар Э., Сенюта Н.Б., Лихтенштейн А.В., Петров С.В.</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://iimmun.ru/iimm/article/view/1162">https://iimmun.ru/iimm/article/view/1162</self-uri><abstract xml:lang="en"><p>Objective: To compare genetic structure of the main Epstein–Barr virus (EBV) oncogene, latent membrane protein 1 (LMP1), in EBV strains circulating in two genetically distinct ethnic populations in Russian Federation, Tatars and Slavs, as well as assess an impact of diverse LMP1 variants on incidence and mortality rate for some malignant tumors partially associated with EBV infection. <italic>Materials and methods</italic>. Oral washing samples were collected from 60 ethnic Kazan Tatars and 65 ethnic Moscow Slavics. Carboxy-terminal nucleotide sequences (41 and 40 sequences, respectively) derived from hypervariable LMP1 gene region were amplified from EBV DNA samples. Next, final nucleotide sequences were translated into amino acid sequences and analyzed according to classification by Edwards et al. <italic>Results</italic>. Analysis of 41 and 40 LMP1 samples obtained from ethnic Kasan Tatars and ethnic Moscow Slavics, respectively, revealed significant difference in relevant amino acid structures. In particular, all LMP1 samples derived from Moscow Slavics were found to belong to the four protein variants: B95.8/A, Med–, China1 and NC. Among them, low-transforming variant B95.8/A was dominant (82.5%). In contrast, solely 21 out of 41 LMP1 samples derived from ethnic Tatars were classified as B95.8/A, Med– and China1 variants. Importantly, the percentage of low-transforming B95.8/A variant among ethnic Tatar samples was significantly lower compared to that one found in Moscow Slavics (29.3% vs. 82.5%). On the other hand, seven (17.1%) out of 20 other samples formed a unique protein mono group characterized by LMP1 amino acid sequence differed from that one available in the GenBank database. Such group of variants was designated as LMP1-TatK. The remaining 13 samples (31.7%) did not match either protein variants, thereby forming the “beyond classification” (LMP1-TatBC) group. <italic>Conclusion</italic>. The data obtained suggest that various LMP1 variants exist in EBV strains persisting in ethnic Tatrs and ethnic Slavics examined in Russian Federation. It was also found that EBV strains isolated from ethnic Tatars contained a unique LMP1 gene variant encoding protein LMP1-TatK lacked in EBV strains derived from ethnic Moscow Slavics. Taking into account the genealogy of Tatars, it cannot be ruled out that EBV strain bearing LMP1-TatK variant represented ethnically specific EBV strain that might circulate many centuries ago among their historical human predecessors called Mongol-Tatar tribes. In addition, it was shown that the LMP1 variants in EBV strains isolated from ethnic Kazan Tatars and ethnic Moscow Slavics did not affect the incidence and mortality of different forms of cancer consisting of EBV-associated cases.</p></abstract><trans-abstract xml:lang="ru"><p>Цель работы: выяснить, отличается ли генетическая структура основного онкогена вируса Эпштейна–Барр (ВЭБ), латентного мембранного белка 1 (LMP1), у штаммов ВЭБ, циркулирующих в двух российских генетически разных популяциях, этнических татар и этнических славян, и каково влияние различных вариантов LMP1 в этих популяциях на уровень злокачественных патологий, часть которых ассоциирована с ВЭБ. <italic>Материалы и методы</italic>. Смывы полости рта были получены от 60 этнических казанских татар и 65 этнических московских славян. Сорок одна и сорок (соответственно) С-концевых нуклеотидных последовательностей наиболее вариабельной части LMP1 были амплифицированы из образцов ДНК ВЭБ, экстрагированных из соответствующих смывов. Нуклеотидные последовательности были переведены в аминокислотные последовательности и классифицированы в соответствии с классификацией Edwards и соавт. <italic>Результаты</italic>. Анализ 41 образца LMP1, полученного от этнических татар, и 40 LMP1 образцов, полученных от этнических славян, выявил существенные различия в структуре их аминокислот. Все образцы LMP1 московского происхождения принадлежали к четырем белковым вариантам, B95.8/A, Med–, China1 и NC. Среди них вариант с низким уровнем трансформации, B95.8/A, был доминирующим (82,5%). Из 41 образца LMP1 татарского происхождения только 21 был классифицирован как B95.8/A, Med– и China1 варианты. Процентное содержание низко трансформирующего варианта B95.8/A среди казанских татар было значительно ниже, чем у московских славян (29,3% против 82,5%). Из других 20 образцов семь (17,1%) образовали уникальную моногруппу белков с аминокислотной структурой последовательностей LMP1, отличной от имеющейся в GenBank. Эта группа вариантов была обозначена как LMP1-TatK. Остальные 13 образцов LMP1 (31,7%) не соответствовали ни одному из вариантов в вышеуказанной классификации, формируя, таким образом, группу «вне классификации» (LMP1-TatBC). <italic>Заключение</italic>. Полученные данные указывают на разнообразие вариантов LMP1 в штаммах ВЭБ, персистирующих у этнических татар и славян. Также было обнаружено, что штаммы ВЭБ татарского происхождения содержат уникальный вариант гена LMP1, кодирующий онкобелок LMP1-TatK, который отсутствует в штаммах ВЭБ славянского происхождения. Принимая во внимание генеалогию татар, нельзя исключить, что штамм ВЭБ, кодирующий вариант LMP1-TatK, является этнически специфическим штаммом, который, возможно, циркулировал среди их исторических предшественников, монголо-татарских племен, много веков назад. Было также показано, что варианты LMP1 в штаммах ВЭБ татарского и славянского происхождения не оказывают какого-либо влияния на показатели заболеваемости опухолями и смертности от них, которые включают и случаи, ассоциированные с этим вирусом.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Epstein–Barr virus</kwd><kwd>latent membrane protein 1</kwd><kwd>ethnic tatars and slavs</kwd><kwd>sequence analysis</kwd><kwd>phylogenetic analysis</kwd><kwd>real-time PCR</kwd><kwd>Epstein–Barr virus DNA copies</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>вирус Эпштейна–Барр</kwd><kwd>латентный мембранный белок 1</kwd><kwd>этнические татары и славяне</kwd><kwd>анализ последовательности</kwd><kwd>филогенетический анализ</kwd><kwd>ПЦР в реальном времени</kwd><kwd>копии ДНК вируса Эпштейна–Барр</kwd></kwd-group><funding-group><funding-statement xml:lang="en">Research is conducted under the auspices of the experimental governmental assignment of the Ministry of Health of the Russian Federation and coordinated by the Centre for Strategic Planning and Management of Biomedical Health Risks of the Ministry of Health of the Russia, also it was financially supported by the grant of the Russian Science Foundation (project No 18-015-00505А).</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>1. 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