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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Russian Journal of Biological Physics and Chemisrty</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Russian Journal of Biological Physics and Chemisrty</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>АКТУАЛЬНЫЕ ВОПРОСЫ БИОЛОГИЧЕСКОЙ ФИЗИКИ И ХИМИИ</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">2499-9962</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">55115</article-id>
   <article-id pub-id-type="doi">10.29039/rusjbpc.2022.0537</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Моделирование в биофизике</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Modelling in biophycis</subject>
    </subj-group>
    <subj-group>
     <subject>Моделирование в биофизике</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">EFFECTS OF MODULATORS TO THE ACTIVATION OF NMDA RECEPTORS</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>ВЛИЯНИЕ МОДУЛЯТОРОВ НА АКТИВАЦИЮ РЕЦЕПТОРА NMDA</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Аксенова</surname>
       <given-names>С. В.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Aksenova</surname>
       <given-names>S. V.</given-names>
      </name>
     </name-alternatives>
     <email>kgyr@mail.ru</email>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Батова</surname>
       <given-names>А. С.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Batova</surname>
       <given-names>A. S.</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Бугай</surname>
       <given-names>А. Н.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Bugay</surname>
       <given-names>A. N.</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Душанов</surname>
       <given-names>Э. Б</given-names>
      </name>
      <name xml:lang="en">
       <surname>Dushanov</surname>
       <given-names>E. B.</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-4"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Объединенный институт ядерных исследований</institution>
     <city>Дубна</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Joint Institute for Nuclear Research</institution>
     <city>Dubna</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Объединенный институт ядерных исследований</institution>
     <city>Дубна</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Joint Institute for Nuclear Research</institution>
     <city>Dubna</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">Объединенный институт ядерных исследований</institution>
     <city>Дубна</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Joint Institute for Nuclear Research</institution>
     <city>Dubna</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-4">
    <aff>
     <institution xml:lang="ru">Объединенный институт ядерных исследований</institution>
     <city>Дубна</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Joint Institute for Nuclear Research</institution>
     <city>Dubna</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2022-09-28T20:22:29+03:00">
    <day>28</day>
    <month>09</month>
    <year>2022</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2022-09-28T20:22:29+03:00">
    <day>28</day>
    <month>09</month>
    <year>2022</year>
   </pub-date>
   <volume>7</volume>
   <issue>3</issue>
   <fpage>418</fpage>
   <lpage>422</lpage>
   <history>
    <date date-type="received" iso-8601-date="2022-09-20T20:22:29+03:00">
     <day>20</day>
     <month>09</month>
     <year>2022</year>
    </date>
    <date date-type="accepted" iso-8601-date="2022-09-20T20:22:29+03:00">
     <day>20</day>
     <month>09</month>
     <year>2022</year>
    </date>
   </history>
   <self-uri xlink:href="https://rusjbpc.ru/en/nauka/article/55115/view">https://rusjbpc.ru/en/nauka/article/55115/view</self-uri>
   <abstract xml:lang="ru">
    <p>В настоящей работе предложен модельный подход для анализа свойств нейронных сетей гиппокампа с различными типами NMDA-рецепторов: GluN1/GluN2A, GluN1/GluN2B, GluN1/GluN2A/GluN2B. Было проведено молекулярно-динамическое моделирование активации ионного канала рецепторов NMDA, модифицированного действием аллостерических модуляторов. Изучение сетевой активности нейронов с измененной структурой NMDA-рецепторов проводилось в моделях нейронных сетей CA1 и CA3 областей гиппокампа. В результате исследования свойств нейронной сети гиппокампа с модифицированной структурой NMDA-рецепторов получены электрофизиологические характеристики модели нейронной сети в зависимости от строения ионного канала рецептора NMDA. Исходя из анализа изменения проводимостей ионного канала и связывания ионов магния были выявлены различия в амплитуде тета- и гамма-частотных диапазонов в нейронных сетях с различными модельными структурами NMDA-рецепторов. Анализ сетевой активности нейронов с различными типами NMDA выявил незначительные изменения проводимости ионного канала и локального потенциала в зависимости от субъединиц, входящих в состав рецептора и типа модулятора. При воздействии Ro 25-6981 и кетамина для дигетеромерной модели GluN1/GluN2A NMDA-рецептора наблюдалось падение амплитуды тета-частотных и рост гамма-частотных диапазонов по сравнению с нативными формами рецептора. Для тригетеромера GluN1/GluN2A/GluN2B имеет место возрастание тета-частоты и снижение частоты гамма-диапазона по сравнению с GluN1/GluN2B. В отсутствии кетамина для моделей GluN1/GluN2A и GluN1/GluN2A/GluN2B NMDA-рецептора наблюдалось возрастание амплитуды тета-частотных и гамма-частотных диапазонов по сравнению с нативными формами NMDA-рецептора.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>In this paper, we have proposed a model approach for analyzing the properties of hippocampal neural networks with different types of NMDA receptors: GluN1/GluN2A, GluN1/GluN2B, GluN1/GluN2A/GluN2B. Molecular dynamics modeling of the activation of the ion channel of NMDA receptors modified by the action of allosteric modulators was carried out. The study of the network activity of neurons with a modified structure of NMDA receptors was carried out in models of neural networks in the CA1 and CA3 regions of the hippocampus. As a result of studying the properties of the neural network of the hippocampus with a modified structure of NMDA receptors, the electrophysiological characteristics of the neural network model were obtained depending on the structure of the ion channel of the NMDA receptor. Based on the analysis of changes in the conductivities of the ion channel and the binding of magnesium ions, differences in the amplitude of the theta and gamma frequency ranges in neural networks with different model structures of NMDA receptors were revealed. Analysis of the network activity of neurons with different types of NMDA revealed minor changes in the ion channel conductance and local potential depending on the subunits that make up the receptor and the type of modulator. Under the influence of Ro 25-6981 and ketamine for the diheteromeric model of the GluN1/GluN2A NMDA receptor, a decrease in the amplitude of the theta-frequency ranges and an increase in the gamma-frequency ranges were observed in comparison with the native forms of the receptor. For the GluN1/GluN2A/GluN2B trigger heteromer, there is an increase in theta frequency and a decrease in the gamma frequency compared to GluN1/GluN2B. In the absence of ketamine, for the GluN1/GluN2A and GluN1/GluN2A/GluN2B NMDA receptor models, an increase in the amplitude of theta-frequency and gamma-frequency ranges was observed compared to the native forms of the NMDA receptor.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>гиппокамп</kwd>
    <kwd>рецептор NMDA</kwd>
    <kwd>болезнь Альцгеймера</kwd>
    <kwd>молекулярная динамика</kwd>
    <kwd>нейронная сеть</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>hippocampus</kwd>
    <kwd>NMDA receptor</kwd>
    <kwd>Alzheimer’s disease</kwd>
    <kwd>molecular dynamics</kwd>
    <kwd>neural network</kwd>
   </kwd-group>
  </article-meta>
 </front>
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