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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">scbmt</journal-id><journal-title-group><journal-title xml:lang="ru">БИОМЕДИЦИНА</journal-title><trans-title-group xml:lang="en"><trans-title>Journal Biomed</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2074-5982</issn><issn pub-type="epub">2713-0428</issn><publisher><publisher-name>Scientific center of biomedical technologies of Federal Medical and Biological Agency</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33647/2074-5982-15-4-98-106</article-id><article-id custom-type="elpub" pub-id-type="custom">scbmt-154</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>МЕТОДЫ БИОМЕДИЦИНСКИХ ИССЛЕДОВАНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METHODS OF BIOMEDICAL RESEARCHES</subject></subj-group></article-categories><title-group><article-title>КРИОСОХРАНЕНИЕ СРЕЗОВ МОЗГА КРЫС С РАЗЛИЧНОЙ ДЛИТЕЛЬНОСТЬЮ И ВОССТАНОВЛЕНИЕ ИХ ЭЛЕКТРИЧЕСКОЙ АКТИВНОСТИ</article-title><trans-title-group xml:lang="en"><trans-title>CRYOPRESERVATION OF RAT BRAIN SLICES WITH DIFFERENT DURATION AND RESTORATION OF THEIR ELECTRICAL ACTIVITY</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>Мокрушин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Mokrushin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.б.н., </p><p>199034, Санкт-Петербург, наб. Макарова, д. 6</p></bio><bio xml:lang="en"><p>Dr. Sci. (Biol.),</p><p>199034, Saint Petersburg, Makarova embankment, 6</p></bio><email xlink:type="simple">mok@inbox.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУН «Институт физиологии им. И.П. Павлова» РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pavlov Institute of Physiology of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>30</day><month>11</month><year>2019</year></pub-date><volume>0</volume><issue>4</issue><fpage>98</fpage><lpage>106</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мокрушин А.А., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Мокрушин А.А.</copyright-holder><copyright-holder xml:lang="en">Mokrushin A.A.</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://journal.scbmt.ru/jour/article/view/154">https://journal.scbmt.ru/jour/article/view/154</self-uri><abstract><p>Исследовали влияние криосохранения переживающих срезов мозга крыс-самцов популяции линий Wistar с различной длительностью (4, 8, 10, 23 и 90 сут) на изменения электрической активности. Измерялись амплитуды АМПA- и НМДА-зависимых глутаматергических ионотропных механизмов, а также потенциала действия латерального обонятельного тракта (ПД ЛОТ) при температуре –20°С и последующем отогревании до +37°С. После криоконсервации эти механизмы сохранялись и восстанавливались. Использовалась методика электрофизиологической регистрации АМПА-, НМДА-потенциалов и суммарного ПД ЛОТ. После криосохранения АМПА-зависимые механизмы и активность проводящих волокон ЛОТ восстанавливались до нормотермических значений. Напротив, восстановление НМДА-зависимых механизмов было неполным и составляло в среднем 34% по сравнению с нормотермическими значениями. Результаты свидетельствуют, что после криоконсервации срезов мозга крыс активности базовых ионотропных глутаматергических механизмов восстанавливаются.</p></abstract><trans-abstract xml:lang="en"><p>Effects of cryopreservation of male Wistar rat brain slices with different duration (4, 8, 10, 23, and 90 days) on changes in their electrical activity was investigated. The amplitudes of AMPA- and NMDA-dependent glutamatergic ionotropic mechanisms were measured, as well as the action potential of the lateral olfactory tract (AP LOT) at a temperature of –20°C and subsequent warming to +37°C. After cryopreservation, these mechanisms were preserved and restored. We used the method of electrophysiological registration of the AMPA and NMDA potentials and the total AP LOT. After cryopreservation, the AMPA-dependent mechanisms and the activity of conductive LOT fi bers were restored to normothermal values. On the contrary, the recovery of NMDA-dependent mechanisms was incomplete and averaged 34% compared with the normothermal values. The results indicate that, after cryopreservation, the activity of basic ionotropic glutamatergic mechanisms in rat brain slices is restored.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>срезы мозга крыс</kwd><kwd>криоконсервация</kwd><kwd>АМПА-зависимые механизмы</kwd><kwd>НМДА-зависимые механизмы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>rat brain slices</kwd><kwd>cryopreservation</kwd><kwd>AMPA-dependent mechanisms</kwd><kwd>NMDA-dependent mechanisms</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">Ивличева Н.А., Чистопольский И.А., Крамарова Л.И. Электрофизиологическая активность мозга моллюска lymnaea stagnalis после криоконсервации в жидком азоте (–196°С). 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