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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">152</article-id><article-id pub-id-type="doi">10.15789/2220-7619-2014-1-7-14</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>REVIEWS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОБЗОРЫ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">COMMON MECHANISMS OF SPECIFIC HUMORAL IMMUNE RESPONSE’ SHAPING AND SUSTAINING BY THE EXAMPLE OF IMMUNE RESPONSE TO MEASLES AND RUBELLA VIRUSES</article-title><trans-title-group xml:lang="ru"><trans-title>ОБЩИЕ ЗАКОНОМЕРНОСТИ ФОРМИРОВАНИЯ И ПОДДЕРЖАНИЯ СПЕЦИФИЧЕСКОГО ГУМОРАЛЬНОГО ИММУННОГО ОТВЕТА НА ПРИМЕРЕ ОТВЕТА НА ВИРУСЫ КОРИ И КРАСНУХИ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Toptygina</surname><given-names>A. P.</given-names></name><name xml:lang="ru"><surname>Топтыгина</surname><given-names>А. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Medicine), Leading Researcher, Laboratory of Cytokine</p><p>125212, Russian Federation, Moscow, Admiral Makarov str., 10</p></bio><bio xml:lang="ru"><p>к.м.н., ведущий научный сотрудник лаборатории цитокинов</p><p>125212, Россия, Москва, ул. Адмирала Макарова, 10</p></bio><email>toptyginaanna@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">G.N. Gabrichevsky Research Institut for Epidemiology and Microbilogy, Moscow</institution></aff><aff><institution xml:lang="ru">ФБУН Московский НИИ эпидемиологии и микробиологии им. Г.Н. Габричевского Роспотребнадзора, Москва</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2014-07-09" publication-format="electronic"><day>09</day><month>07</month><year>2014</year></pub-date><volume>4</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>7</fpage><lpage>14</lpage><history><date date-type="received" iso-8601-date="2014-07-09"><day>09</day><month>07</month><year>2014</year></date><date date-type="accepted" iso-8601-date="2014-07-09"><day>09</day><month>07</month><year>2014</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2014, Toptygina A.P.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2014, Топтыгина А.П.</copyright-statement><copyright-year>2014</copyright-year><copyright-holder xml:lang="en">Toptygina A.P.</copyright-holder><copyright-holder xml:lang="ru">Топтыгина А.П.</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/152">https://iimmun.ru/iimm/article/view/152</self-uri><abstract xml:lang="en"><p><bold>Abstract.</bold> T follicular helper cells (Tfh) are a CD4+ Th cell subset promoted the cognate control of antigen-specific B cell immunity. Upon first contact with antigen-primed B cells, Tfh can support either extrafollicularly differentiation into short-lived plasma cells (PC) or enter follicles to form germinal centers (GC). Signaling lymphocytic activation molecule (SLAM) interaction between Tfh and activated B-cells is essential for GC development. Within GC, Tfh regulates the fate of antigen-specific GC B cells expressing high-affinity B cell receptors to develop memory B cell (Bm) or long-lived PC. Short-lived PC produce low-affinity IgM and IgG3 early antibodies. Both Bm and long-lived PC have high-affinity class-switched IgA and IgG, predominantly IgG1 antibodies. Measles virus uses human SLAM-molecule as a cellular receptor. SLAM is expressed on dendritic cells and activated B and T-cells. This is an important regulator of the isotype switching and antibody affinity maturation, especially IgG3-IgG1 switching. Development of long-term humoral immunity, charac terized by the formation of high-affinity predominantly IgG1 antibodies, is a critical component of protective immunity to pathogens and the major goal of vaccination. However, the mechanisms involved in the shaping and sustaining of long-term humoral immunity remain poorly understood.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Резюме.</bold> Т-фолликулярные хелперы (Tfh) — одна из субпопуляций CD4+ Т-хелперов, осуществляющая контроль антигенспецифического В-клеточного иммунитета. При первом контакте с примированной антигеном В-клеткой, Tfh может поддержать либо экстрафолликулярный путь развития В-клетки в короткоживущую плазматическую клетку (РС), либо вхождение В-клетки в лимфоидный фолликул для формирования зародышевого центра (GC). Взаимодействие Signaling lymphocytic activation molecule (SLAM) между Tfh и активированной В-клеткой необходимо для развития GC. Внутри GC Tfh регулирует направление развития антигенспецифических GC В-клеток, экспрессирующих высокоаффинные В-клеточные рецепторы, либо в сторону В-клеток памяти (Bm), либо долгоживущих РС. Короткоживущие РС продуцируют низкоаффинные IgM и IgG3 ранние антитела. Как Bm, так и долгоживущие РС имеют высокоаффинные IgA и IgG, преимущественно IgG1-антитела. Вирус кори использует SLAM-молекулу в качестве клеточного рецептора. SLAM экспрессируется на дендритных клетках и активированных В- и Т-клетках и является одним из важных регуляторов переключения изотипов и созревания аффинитета, особенно IgG3-IgG1 переключения. Развитие длительного гуморального иммунитета, характеризующегося формированием высокоаффинных, преимущественно IgG1-антител, является необходимым компонентом формирования защитного иммунитета против патогенов, и по существу, главной целью вакцинации. Однако механизмы, вовлеченные в формирование и поддержание длительного гуморального иммунного ответа остаются недостаточно изученными.</p></trans-abstract><kwd-group xml:lang="en"><kwd>specific humoral immune response</kwd><kwd>T follicular helper</kwd><kwd>IgG subclasses</kwd><kwd>SLAM</kwd><kwd>measles</kwd><kwd>rubella</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>специфический гуморальный иммунный ответ</kwd><kwd>Т-фолликулярные хелперы</kwd><kwd>субклассы IgG</kwd><kwd>SLAM</kwd><kwd>корь</kwd><kwd>краснуха</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>1.	Топтыгина А.П., Пухальский А.Л., Мамаева Т.А., Алешкин В.А. Спектр субклассов противокоревых иммуноглобулинов G у лиц, перенесших корь // Бюл. эксперим. биологии. — 2004. — T. 137, № 3. — С. 293–295. Toptygina A.P., Pukhal`skiy A.L., Mamaeva T.A., Aleshkin V.A. 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