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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="review-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Physiology</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Physiology</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский физиологический журнал им. И.М. Сеченова</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0869-8139</issn><issn publication-format="electronic">2658-655X</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">651726</article-id><article-id pub-id-type="doi">10.31857/S0869813924100013</article-id><article-id pub-id-type="edn">VSFVPE</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Review Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">The role of dopamine receptor dimer complexes in the pathogenesis of depression</article-title><trans-title-group xml:lang="ru"><trans-title>Роль димерных комплексов дофаминовых рецепторов в патогенезе депрессии</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gerasimov</surname><given-names>А. А.</given-names></name><name xml:lang="ru"><surname>Герасимов</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>drewgerasimov@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Smirnova</surname><given-names>О. V.</given-names></name><name xml:lang="ru"><surname>Смирнова</surname><given-names>О. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>drewgerasimov@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><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="2024-10-15" publication-format="electronic"><day>15</day><month>10</month><year>2024</year></pub-date><volume>110</volume><issue>10</issue><issue-title xml:lang="ru"/><fpage>1541</fpage><lpage>1558</lpage><history><date date-type="received" iso-8601-date="2025-02-02"><day>02</day><month>02</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Российская академия наук</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0869-8139/article/view/651726">https://journals.eco-vector.com/0869-8139/article/view/651726</self-uri><abstract xml:lang="en"><p>This abstract discusses the oligomerization of G protein-coupled receptors (GPCRs), which significantly expands the functional capabilities of cells in living organisms by modulating intracellular signaling pathways. This provides a variety of physiological effects in both normal and pathological states. The structure and localization in the brain of one of the most studied heterodimers, the D1-D2 receptor complex, and its signaling cascades, which correlate with the development of depressive disorders, are examined. Sexual differences in the functioning of this heterodimer are analyzed, and the issue of the selectivity of bivalent synthetic ligands in activating specific intracellular pathways is discussed, highlighting their potential as therapeutic targets for the targeted treatment of depressive disorders. The concluding part of the abstract addresses the diversity of dopamine receptor heterodimers with other members of the GPCR family and their role in the pathophysiology of depression.</p></abstract><trans-abstract xml:lang="ru"><p>В настоящем обзоре обсуждается олигомеризация рецепторов, сопряженных с G-белком (GPCRs), позволяющая существенно расширить спектр функциональных возможностей клеток живых организмов путем модулирования внутриклеточных каскадов. Это обеспечивает разнообразие физиологических эффектов как в норме, так и при патологии. Рассмотрена структура и локализация в головном мозге одного из наиболее изученных гетеродимеров, комплекса D1-D2-рецепторов, и его сигнальные каскады, коррелирующие с развитием депрессивных расстройств. Проанализированы половые различия в функционировании данного гетеродимера, обсуждается вопрос о селективности бивалентных синтетических лигандов в отношении запуска определенных внутриклеточных каскадов, что делает их перспективной терапевтической мишенью для адресной терапии депрессивных расстройств. Заключительная часть обзора посвящена разнообразию гетеродимеров дофаминовых рецепторов с другими представителями семейства GPCR и их месту в патофизиологии депрессии.</p></trans-abstract><kwd-group xml:lang="en"><kwd>GPCR</kwd><kwd>GPCR oligomerization</kwd><kwd>heterodimer complexes</kwd><kwd>dopamine receptor</kwd><kwd>depression</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>GPCR</kwd><kwd>олигомеризация GPCRs</kwd><kwd>гетеродимерные комплексы</kwd><kwd>дофаминовый рецептор</kwd><kwd>депрессия</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Правительство Российской Федерации</institution></institution-wrap><institution-wrap><institution xml:lang="en">Government of the Russian Federation</institution></institution-wrap></funding-source><award-id>12586п-П8</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Kaur S, Singh S, Jaiswal G, Kumar S, Hourani W, Gorain B, Kumar P (2020) Pharmacology of Dopamine and Its Receptors. 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