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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8323-2020-64-5-590-598</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-918</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>МЕДИЦИНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MEDICINE</subject></subj-group></article-categories><title-group><article-title>Роль гликозаминогликанов в межнейронных коммуникациях нейронных сетей гиппокампа</article-title><trans-title-group xml:lang="en"><trans-title>Glycosaminoglycans role in hippocampal neural networks interneuronal communications</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пашкевич</surname><given-names>С. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Pashkevich</surname><given-names>S. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пашкевич Светлана Георгиевна - кандидат биологических наук, заведующий лабораторией.ул. Академическая, 28, 220072, Минск.</p></bio><bio xml:lang="en"><p>Pashkevich Svetlana G. - Ph. D. (Biology), Head of the Laboratory, Institute of Physiology of the National Academy of Sciences of Belarus.28, Akademicheskaya Str., 220072, Minsk.</p></bio><email xlink:type="simple">skypasht@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сердюченко</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Serdyuchenko</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сердюченко Николай Сергеевич - член-корреспондент, доктор медицинских наук, профессор, академик-секретарь.пр. Независимости, 66, 220072, Минск.</p></bio><bio xml:lang="en"><p>Serdyuchenko Nikolay S. - Corresponding Member, D. Sc. (Medicine), Professor, Academician-Secretary, National Academy of Sciences of Belarus.66, Nezavisimosti Ave., 220072, Minsk.</p></bio><email xlink:type="simple">lora323@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физиологии Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Physiology of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальная академия наук Беларуси</institution></aff><aff xml:lang="en"><institution>National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>04</day><month>11</month><year>2020</year></pub-date><volume>64</volume><issue>5</issue><fpage>590</fpage><lpage>598</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пашкевич С.Г., Сердюченко Н.С., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Пашкевич С.Г., Сердюченко Н.С.</copyright-holder><copyright-holder xml:lang="en">Pashkevich S.G., Serdyuchenko N.S.</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://doklady.belnauka.by/jour/article/view/918">https://doklady.belnauka.by/jour/article/view/918</self-uri><abstract><p>В развитии нейротехнологий актуальным является поиск приложений для устройств инвазивной нейроэлектроники. Одним из перспективных направлений может стать разработка способов влияния на межклеточные коммуникации, т. е. не за счет действия на пре-, пост- и внесинаптические рецепторы, а на внеклеточный матрикс, окружающий нейроны и глию. Для развития биоэлектронной фармацевтики важен поиск параметров стимуляции, при которых возможно контролируемое изменение структурно-функциональных параметров нервной ткани. Рассмотрели один из актуальных механизмов молекулярного патогенеза инфекции SARS-CoV-2 - индукцию метаболизма гликозаминогликанов. Предполагают, что, попадая в обонятельный эпителий и обонятельные луковицы мозга, вирус способен достичь структур центральной нервной системы. При моделировании изменения ферментативной активности гиалуронидазы (0,1; 1,0; 10,0 Ед/мл) в течение 5 мин в одной из ключевых структур лимбической системы - гиппокампе (3-4-недельных крысят, n = 64) выявлены условия трансформации межклеточных контактов и вызванной электрической активности популяций СА1 области. Зарегистрированное развитие процессов синаптической пластичности имеет адаптивный потенциал при концентрациях гиалуронидазы, не превышающих 1,0 Ед/мл.Предлагаемый в данной работе метод in vitro и обоснованная мишень для воздействия - элементы внеклеточного матрикса, позволяют смоделировать один из возможных механизмов развития вирусной инфекции, оптимизировать процесс предварительного скрининга новых лекарственных субстанций, а также обосновать условия безопасного и/или терапевтического воздействия электрическими импульсами на элементы нервной ткани.</p></abstract><trans-abstract xml:lang="en"><p>In the development of neurotechnologies, the search for applications for invasive neuroelectronic devices is relevant. One of the promising areas can be the development of ways of influencing intercellular communication, that is, not by acting on pre-, post- and extrasynaptic receptors, but on the extracellular matrix surrounding neurons and glia. For the development of bioelectronic pharmaceuticals, it is important to search for stimulation parameters at which a controlled change in the structural and functional parameters of the nervous tissue is possible. We considered one of the actual mechanisms of the molecular pathogenesis of SARS-CoV-2 infection - the induction of glycosaminoglycan metabolism. It is assumed that, getting into the olfactory epithelium and the olfactory bulbs of the brain, the virus is able to reach the structures of the central nervous system. When modeling changes in the enzymatic activity of hyaluronidase (0.1; 1.0; 10.0 U/ml) for 5 minutes in one of the key structures of the limbic system - the hippocampus (3-4-week-old ratpups, n = 64), the conditions for the transformation of intercellular contacts were revealed and evoked electrical activity of populations of CA1 region. The recorded development of synaptic plasticity processes has an adaptive potential at hyaluronidase concentrations not exceeding 1.0 U/ml.The in vitro method proposed in this work and a reasonable target for exposure - elements of the extracellular matrix, make it possible to simulate one of the mechanisms of the development of viral infection, optimize the process of preliminary screening of new medicinal substances that can minimize the risk of developing neuroinflammatory processes, and also substantiate the conditions for safe and/or therapeutic effects and electrical impulses on the elements of the nervous tissue.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>гиппокамп</kwd><kwd>вызванные потенциалы</kwd><kwd>внеклеточный матрикс</kwd><kwd>гиалуронидаза</kwd><kwd>электронная микроскопия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>hippocampus</kwd><kwd>evoked potentials</kwd><kwd>extracellular matrix</kwd><kwd>hyaluronidase</kwd><kwd>electron microscopy</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">The Hippocampus Book / P. 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