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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">pmedpharm</journal-id><journal-title-group><journal-title xml:lang="ru">Фармация и фармакология</journal-title><trans-title-group xml:lang="en"><trans-title>Pharmacy &amp; Pharmacology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2307-9266</issn><issn pub-type="epub">2413-2241</issn><publisher><publisher-name>Pyatigorsk Medical and Pharmaceutical Institute - branch of Volgograd State Medical Univer</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.19163/2307-9266-2026-14-1-97-108</article-id><article-id custom-type="elpub" pub-id-type="custom">pmedpharm-1819</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНАЯ СТАТЬЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RESEARCH ARTICLE</subject></subj-group></article-categories><title-group><article-title>Терапевтический потенциал HSP70 в коррекции когнитивного дефицита и его влияние на образование бета-амилоида при болезни Альцгеймера</article-title><trans-title-group xml:lang="en"><trans-title>Therapeutic potential of HSP70 in correcting cognitive deficits and its effect on beta-amyloid formation in Alzheimer’s Disease</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2425-5027</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кузубова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuzubova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ассистент кафедры фармакологии и клинической фармакологии, ФГАОУ ВО «Белгородский государственный национальный исследовательский университет». </p><p>Россия, 308015, г. Белгород, ул. Победы, д. 85</p></bio><bio xml:lang="en"><p>Assistant of the Department of Pharmacology and Clinical Pharmacology, Belgorod National Research University. </p><p>85 Pobedy Str., Belgorod, Russia, 308015.</p></bio><email xlink:type="simple">1015artek1015@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7414-7326</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Степенко</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Stepenko</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, доцент кафедры фармакологии и клинической фармакологии, ФГАОУ ВО «Белгородский государственный национальный исследовательский университет». </p><p>Россия, 308015, г. Белгород, ул. Победы, д. 85.</p></bio><bio xml:lang="en"><p>Candidate of Sciences (Medicine), Assistant Professor of the Department of Pharmacology and Clinical Pharmacology, Belgorod National Research University. </p><p>85 Pobedy Str., Belgorod, Russia, 308015.</p></bio><email xlink:type="simple">julia.v.stepenko@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4554-2116</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Радченко</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Radchenko</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ассистент кафедры фармакологии и клинической фармакологии, ФГАОУ ВО «Белгородский государственный национальный исследовательский университет».</p><p>Россия, 308015, г. Белгород, ул. Победы, д. 85.</p></bio><bio xml:lang="en"><p>Assistant of the Department of Pharmacology and Clinical Pharmacology, Belgorod National Research University. </p><p>85 Pobedy Str., Belgorod, Russia, 308015.</p></bio><email xlink:type="simple">sandrinkaradchenko@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0004-7592-0570</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Румянцева</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Rumyantseva</surname><given-names>A. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>лаборант-исследователь НИИ Фармакологии живых систем, ФГАОУ ВО «Белгородский государственный национальный исследовательский университет». </p><p>Россия, 308015, г. Белгород, ул. Победы, д. 85.</p><p> </p></bio><bio xml:lang="en"><p>Laboratory Researcher at the Research Institute of Pharmacology of Living Systems, Belgorod National Research University. </p><p>85 Pobedy Str., Belgorod, Russia, 308015.</p></bio><email xlink:type="simple">aminarum36@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0005-5390-9618</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ржевская</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Rzhevskaya</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>лаборант-исследователь НИИ Фармакологии живых систем, ФГАОУ ВО «Белгородский государственный национальный исследовательский университет». </p><p>Россия, 308015, г. Белгород, ул. Победы, д. 85</p></bio><bio xml:lang="en"><p>Laboratory Researcher at the Research Institute of Pharmacology of Living Systems, Belgorod National Research University. </p><p>85 Pobedy Str., Belgorod, Russia, 308015.</p></bio><email xlink:type="simple">m4bondarenko@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3290-2917</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Апостол</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Apostol</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>лаборант-исследователь лаборатории генетических технологий и генного редактирования для биомедицины и ветеринарии ФГАОУ ВО «Белгородский государственный национальный исследовательский университет». </p><p>Россия, 308015, г. Белгород, ул. Победы, д. 85.</p></bio><bio xml:lang="en"><p>Laboratory assistant researcher at the Laboratory of Genetic Technologies and Gene Editing for Biomedicine and Veterinary Medicine, Belgorod National Research University. </p><p>85 Pobedy Str., Belgorod, Russia, 308015.</p></bio><email xlink:type="simple">alinakum835@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1969-3615</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жунусов</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhunusov</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ассистент кафедры фармакологии и клинической фармакологии, ФГАОУ ВО «Белгородский государственный национальный исследовательский университет». </p><p>Россия, 308015, г. Белгород, ул. Победы, д. 85.</p><p> </p></bio><bio xml:lang="en"><p>Assistant of the Department of Pharmacology and Clinical Pharmacology, Belgorod National Research University.</p><p>85 Pobedy Str., Belgorod, Russia, 308015.</p></bio><email xlink:type="simple">nzhunu@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-9127-6662</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Адонина</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Adonina</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студент 6 курса медицинского института, ФГАОУ ВО «Белгородский государственный национальный исследовательский университет».</p><p>Россия, 308015, г. Белгород, ул. Победы, д. 85.</p></bio><bio xml:lang="en"><p>6th-year student of the Medical Institute, Belgorod National Research University. </p><p>85 Pobedy Str., Belgorod, Russia, 308015.</p></bio><email xlink:type="simple">astarte.ad2024@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3777-6622</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Артюшкова</surname><given-names>Е. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Artyushkova</surname><given-names>E. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор биологических наук, старший научный сотрудник НИИ Фармакологии живых систем. ФГАОУ ВО «Белгородский государственный национальный исследовательский университет». </p><p>Россия, 308015, г. Белгород, ул. Победы, д. 85.</p></bio><bio xml:lang="en"><p>Doctor of Sciences (Biology), Senior Researcher at the Research Institute of Pharmacology of Living Systems, Belgorod National Research University. </p><p>85 Pobedy Str., Belgorod, Russia, 308015.</p></bio><email xlink:type="simple">eartyushkova@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0097-000X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гудырев</surname><given-names>О. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Gudyrev</surname><given-names>O. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, доцент кафедры фармакологии и клинической фармакологии. ФГАОУ ВО «Белгородский государственный национальный исследовательский университет».</p><p>Россия, 308015, г. Белгород, ул. Победы, д. 85.</p></bio><bio xml:lang="en"><p>Candidate of Sciences (Medicine), Assistant Professor of the Department of Pharmacology and Clinical Pharmacology, Belgorod National Research University. </p><p>85 Pobedy Str., Belgorod, Russia, 308015.</p></bio><email xlink:type="simple">gudyrev@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4115-1564</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Корокина</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Korokina</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, профессор кафедры фармакологии и клинической фармакологии, ФГАОУ ВО «Белгородский государственный национальный исследовательский университет». </p><p>Россия, 308015, г. Белгород, ул. Победы, д. 85.</p></bio><bio xml:lang="en"><p>Doctor of Medical Sciences, Professor of the Department of Pharmacology and Clinical Pharmacology, Belgorod National Research University. </p><p>85 Pobedy Str., Belgorod, Russia, 308015.</p></bio><email xlink:type="simple">korokina@bsuedu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное автономное образовательное учреждение высшего образования «Белгородский государственный национальный исследовательский университет» (НИУ «БелГУ»).</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Belgorod National Research University.</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральное государственное автономное образовательное учреждение высшего образования «Белгородский государственный национальный исследовательский университет» (НИУ «БелГУ»)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Belgorod National Research University.</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>22</day><month>03</month><year>2026</year></pub-date><volume>14</volume><issue>1</issue><fpage>97</fpage><lpage>108</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кузубова Е.В., Степенко Ю.В., Радченко А.И., Румянцева А.О., Ржевская М.А., Апостол А.А., Жунусов Н.С., Адонина А.Ю., Артюшкова Е.Б., Гудырев О.С., Корокина Л.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Кузубова Е.В., Степенко Ю.В., Радченко А.И., Румянцева А.О., Ржевская М.А., Апостол А.А., Жунусов Н.С., Адонина А.Ю., Артюшкова Е.Б., Гудырев О.С., Корокина Л.В.</copyright-holder><copyright-holder xml:lang="en">Kuzubova E.V., Stepenko Y.V., Radchenko A.I., Rumyantseva A.O., Rzhevskaya M.A., Apostol A.A., Zhunusov N.S., Adonina A.Y., Artyushkova E.B., Gudyrev O.S., Korokina L.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.pharmpharm.ru/jour/article/view/1819">https://www.pharmpharm.ru/jour/article/view/1819</self-uri><abstract><p>Болезнь Альцгеймера (БА) характеризуется прогрессирующим накоплением бета-амилоида и нарушением когнитивных функций. Существующие методы лечения недостаточно эффективны, что требует поиска новых терапевтических стратегий, направленных на ключевые патогенетические механизмы.</p><sec><title>Цель</title><p>Цель. Исследовать терапевтический потенциал внутриклеточной и внеклеточной форм белка теплового шока HSP70 для коррекции когнитивного дефицита и снижения амилоидной нагрузки при БА.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Исследование выполняли на трансгенных мышах линии APPswe/PS1dE9/Blg, моделирующих БА, и созданных на их основе линиях, экспрессирующих внутриклеточную (Tg_h) или внеклеточную (Tg_h_mod) формы человеческого HSP70. Для оценки когнитивных функций применяли поведенческие тесты: Открытое поле, Распознавание нового объекта, У-лабиринт, Лабиринт Барнса. Амилоидную нагрузку оценивали гистологическим методом.</p></sec><sec><title>Результаты</title><p>Результаты. Внеклеточная форма HSP70 (Tg_h_mod) значимо снижала амилоидную нагрузку на 37% (p=0.0033) и демонстрировала выраженное когнитивное улучшение — на 40–45% в тестах У-лабиринт и Лабиринт Барнса, тогда как внутриклеточная форма (Tg_h) уменьшала амилоидоз на 23,6% (p=0,0273), но не показывала значимого восстановления памяти. Полученные результаты указывают на то, что нейропротекторный эффект внеклеточного HSP70, вероятно, опосредован не только шаперонной активностью, но и дополнительными механизмами, критически важными для синаптической функции.</p></sec><sec><title>Заключение</title><p>Заключение. Впервые проведено сравнительное исследование эффективности внутриклеточной и внеклеточной форм HSP70 в коррекции как молекулярных, так и поведенческих нарушений в модели БА. Установлено, что модифицированная форма HSP70 обладает терапевтическим потенциалом. HSP70, особенно его внеклеточная форма, является перспективной мишенью для разработки терапии БА, оказывая комплексное воздействие на патологию амилоида и когнитивные функции.</p></sec></abstract><trans-abstract xml:lang="en"><p>Alzheimer’s disease (AD) is characterized by the progressive accumulation of beta-amyloid and impaired cognitive function. Existing treatments are not effective enough, it’s necessary to search for new therapeutic strategies targeting key pathogenetic mechanisms.</p><sec><title>The aim</title><p>The aim. To investigate the therapeutic potential of intracellular and extracellular forms of heat shock protein HSP70 for correcting cognitive deficits and reducing amyloid load in AD.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The study was performed on APPswe/PS1dE9/Blg transgenic mice, modeling AD, and lines created on their basis expressing intracellular (Tg_h) or extracellular (Tg_h_mod) forms of human HSP70. Behavioral tests were used to assess cognitive functions: Open Field, Novel Object Recognition, Y-maze, Barnes Maze. Amyloid load was assessed by histological method.</p></sec><sec><title>Results</title><p>Results. The extracellular form of HSP70 (Tg_h_mod) significantly reduced amyloid load by 37% (p = 0.0033) and demonstrated marked cognitive improvement — by 40–45% in the Y-maze and Barnes Maze tests, whereas the intracellular form (Tg_h) reduced amyloidosis by 23.6% (p = 0.0273) but did not show significant memory recovery. The results indicate that the neuroprotective effect of extracellular HSP70 is likely mediated not only by chaperone activity but also by additional mechanisms critical for synaptic function.</p></sec><sec><title>Conclusion</title><p>Conclusion. A comparative study of the effectiveness of intracellular and extracellular forms of HSP70 in correcting both molecular and behavioral disorders in an AD model was conducted for the first time. It was found that the modified form of HSP70 has therapeutic potential. HSP70, especially its extracellular form, is a promising target for the development of AD therapy, providing a comprehensive effect on amyloid pathology and cognitive functions.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>болезнь Альцгеймера</kwd><kwd>HSP70</kwd><kwd>амилоидные бляшки</kwd><kwd>когнитивные функции</kwd><kwd>нейропротекция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Alzheimer’s disease</kwd><kwd>HSP70</kwd><kwd>amyloid plaques</kwd><kwd>cognitive functions</kwd><kwd>neuroprotection</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке Министерства науки и высшего образования Российской Федерации (Федеральная научно-техническая программа развития генетических технологий на 2019–2030 годы, соглашение № 075-15-2025-558).</funding-statement><funding-statement xml:lang="en">This work was supported by the Ministry of Science and Higher Education of the Russian Federation (the Federal Scientific-technical Programme for Genetic Technologies Development for 2019–2030, agreement N◦ 075-15-2025-558).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Pokrovsky V.M., Deikin A.V., Zhang T., Verlov N.A., Konevega A.L., Korokin M.V. 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