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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">Kazan medical journal</journal-id><journal-title-group><journal-title xml:lang="en">Kazan medical journal</journal-title><trans-title-group xml:lang="ru"><trans-title>Казанский медицинский журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0368-4814</issn><issn publication-format="electronic">2587-9359</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">114964</article-id><article-id pub-id-type="doi">10.17816/KMJ114964</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>Review Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Immune сheckpoint inhibitors in ovarian cancer</article-title><trans-title-group xml:lang="ru"><trans-title>Ингибиторы иммунных контрольных точек при раке яичников</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6927-3336</contrib-id><contrib-id contrib-id-type="spin">1781-0007</contrib-id><name-alternatives><name xml:lang="en"><surname>Zhurman</surname><given-names>Varvara N.</given-names></name><name xml:lang="ru"><surname>Журман</surname><given-names>Варвара Николаевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>M.D., Cand. Sci. (Med.), Oncologist</p></bio><bio xml:lang="ru"><p>канд. мед. наук, врач-онколог</p></bio><email>varvara2007@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Primorsky Regional Oncological Dispensary</institution></aff><aff><institution xml:lang="ru">Приморский краевой онкологический диспансер</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2023-07-04" publication-format="electronic"><day>04</day><month>07</month><year>2023</year></pub-date><pub-date date-type="pub" iso-8601-date="2023-07-24" publication-format="electronic"><day>24</day><month>07</month><year>2023</year></pub-date><volume>104</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>584</fpage><lpage>589</lpage><history><date date-type="received" iso-8601-date="2022-12-04"><day>04</day><month>12</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2023-07-04"><day>04</day><month>07</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, Эко-Вектор</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2026-07-24"/></permissions><self-uri xlink:href="https://kazanmedjournal.ru/kazanmedj/article/view/114964">https://kazanmedjournal.ru/kazanmedj/article/view/114964</self-uri><abstract xml:lang="en"><p>The review considers modern immunotherapy for ovarian cancer with immune checkpoint inhibitors that interfere with the ability of the tumor to activate control proteins on the surface of T-cells, preventing cancer from evading the immune response and allowing the immune system to generate an antitumor response. The presence of spontaneous tumor-specific T-cells in cancer patients is a factor in creating ways to overcome the blockade of the immune system's ability to inactivate tumor cells. The use of immunotherapy with monoclonal antibodies makes it possible to influence the checkpoints of immunity, leads to the activation of the immune response, blocking the interaction of the PD-1 protein with the corresponding PD-L1/PD-L2 ligands and the attack reaction on tumor cells. The antitumor effect is achieved by releasing effector T-cells, reducing the function, number and suppressor activity of intratumoral Tregs. For antitumor drug therapy, anti-PD-1 and anti-PD-L1 monoclonal antibodies are used. This therapy is accompanied by various adverse events that are associated with the ability of PD-1 to interact with CD80 and the second PD-L2 ligand. Encouraging results of anti-PD-1/PD-L therapy in ovarian cancer resistant to platinum-containing chemotherapy may become an additional option in the treatment against the progression of ovarian cancer.</p></abstract><trans-abstract xml:lang="ru"><p>В обзоре рассмотрена современная иммунотерапия рака яичников ингибиторами иммунных контрольных точек, которые препятствуют способности опухоли активировать контрольные белки на поверхности Т-клеток, предотвращая уклонение рака от иммунного ответа и позволяя иммунной системе генерировать противоопухолевый ответ. Фактором для создания способов преодоления блокады способности иммунной системы инактивировать опухолевые клетки служит наличие у онкологических пациентов спонтанных опухолеспецифических Т-клеток. Применение иммунотерапии моноклональными антителами позволяет воздействовать на контрольные точки иммунитета, приводит к активизации иммунного ответа, блокированию взаимодействия белка PD-1 с соответствующими лигандами PD-L1/PD-L2 и реакции атаки на опухолевые клетки. Противоопухолевый эффект осуществляется за счёт высвобождения Т-клеток-эффекторов, снижая функцию, количество и супрессорную активность внутриопухолевых Tregs. Для противоопухолевой лекарственной терапии применяют анти-PD-1 и анти-PD-L1 моноклональные антитела. Данная терапия сопровождается различными нежелательными явлениями, которые связаны со способностью PD-1 взаимодействовать с CD80 и вторым лигандом PD-L2. Обнадёживающие результаты анти-PD-1/PD-L-терапии рака яичников, резистентного к платиносодержащей химиотерапии, могут стать дополнительной опцией в лечении, направленном против прогрессирования рака яичников.</p></trans-abstract><kwd-group xml:lang="en"><kwd>ovarian cancer</kwd><kwd>immunotherapy</kwd><kwd>immune checkpoint inhibitors</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рак яичников</kwd><kwd>иммунотерапия</kwd><kwd>ингибиторы иммунных контрольных точек</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Ngoi NY, Heong V, Ow S, Chay WY, Kim HS, Choi CH, Goss G, Goh JC, Tai BC, Lim DG, Kaliaperumal N, Au VB, Connolly JE, Kim JW, Friedlander M, Kim K, Tan DS. A multicenter phase II randomized trial of durvalumab (MEDI-4736) versus physician's choice chemotherapy in recurrent ovarian clear cell adenocarcinoma (MOCCA). Int J Gynecol Cancer. 2020;30(8):1239–1242. 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