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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">phkinetica</journal-id><journal-title-group><journal-title xml:lang="ru">Фармакокинетика и Фармакодинамика</journal-title><trans-title-group xml:lang="en"><trans-title>Pharmacokinetics and Pharmacodynamics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2587-7836</issn><issn pub-type="epub">2686-8830</issn><publisher><publisher-name>ООО «Издательство ОКИ»</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">phkinetica-43</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>ИССЛЕДОВАНИЯ МЕХАНИЗМА ДЕЙСТВИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MECHANISM OF ACTION RESEARCH</subject></subj-group></article-categories><title-group><article-title>Содержание возбуждающих и тормозных аминокислот в мозге крыс при литий-пилокарпиновых судорогах и на фоне предварительного введения леветирацетама и нового производного рацетама ГИЖ-290</article-title><trans-title-group xml:lang="en"><trans-title>The brain excitatory and inhibitory amino acids content in rats with lithium-pilocarpine-evoked seizures and after the preliminary administration of levetiracetam and novel racetam derivative GIZH-290</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>Ковалёв</surname><given-names>Иван Георгиевич</given-names></name><name name-style="western" xml:lang="en"><surname>Kovalev</surname><given-names>I. G.</given-names></name></name-alternatives><email xlink:type="simple">vanneit@yandex.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>Боков</surname><given-names>Р. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Bokov</surname><given-names>R. O.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Кудрин</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kudrin</surname><given-names>V. S.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Воронина</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Voronina</surname><given-names>T. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Ковалёв</surname><given-names>Г. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovalev</surname><given-names>G. I.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>ФГБНУ «НИИ фармакологии имени В.В. Закусова»</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>06</day><month>11</month><year>2017</year></pub-date><volume>0</volume><issue>4</issue><fpage>36</fpage><lpage>39</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ковалёв И.Г., Боков Р.О., Кудрин В.С., Воронина Т.А., Ковалёв Г.И., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Ковалёв И.Г., Боков Р.О., Кудрин В.С., Воронина Т.А., Ковалёв Г.И.</copyright-holder><copyright-holder xml:lang="en">Kovalev I.G., Bokov R.O., Kudrin V.S., Voronina T.A., Kovalev G.I.</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.pharmacokinetica.ru/jour/article/view/43">https://www.pharmacokinetica.ru/jour/article/view/43</self-uri><abstract><p>С помощью метода ВЭЖХ с флуоресцентной детекцией изучено влияние нового производного рацетама с противосудорожной активностью (2-оксо-4-фенилпирролидин-1-ил)уксусной кислоты; ГИЖ-290) и вещества сравнения леветирацетама на содержание нейроактивных аминокислот аспартата, глутамата, таурина, глицина и ГАМК в гомогенатах гиппокампа и префронтальной коры (ПФК) мозга крыс. В гиппокампах интактных крыс ГИЖ-290 (5 мг/кг, в/б) повышал уровни глутамата, глицина и ГАМК на 22, 42 и 28%, а леветирацетам (600 мг/кг), напротив, приводил к снижению этих показателей на 18, 26 и 26 %. На максимуме литий-пилокарпиновых судорог обнаруживалось уменьшение концентрации аспартата (-19 %) и увеличение глицина в ПФК (+24 %). Предварительное введение ГИЖ-290 и леветирацетама не влияло на эти показатели, но вызывало возрастание концентраций таурина в гомогенатах ПФК. Таким образом, изученные показатели не являются маркерами противосудорожного действия леветирацетама и ГИЖ-290, но указывают на различия в механизмах формирования их противосудорожного эффекта.</p></abstract><trans-abstract xml:lang="en"><p>The effects of a new racetam derivative with anticonvulsant activity GIZh-290 (2-oxo-4-phenylpyrrolidin-1-yl) acetic acid and levetiracetam for the content of neuroactive amino acids aspartate, glutamate, taurine, glycine and GABA in homogenates of the hippocampus and prefrontal cortex (PFC) of rat brain using the HPLC method with fluorescent detection were studied. In the hippocampi of intact rats HIZh-290 (5 mg/kg, ip) increased the levels of glutamate, glycine and GABA by 22, 42 and 28 %, and levetiracetam (600 mg/kg), on the contrary, reduced them by 18, 26 and 26 %. At the maximum of lithium-pilocarpine seizures, a decrease in the content of aspartate (-19 %) and an increase in glycine in the PFC (+24 %) were detected. Preliminary administration of GIZh-290 and levetiracetam did not affect these parameters, but caused an increase in taurine concentrations in the PFC homogenates. Thus, the indicators studied are not markers of anticonvulsant action of levetiracetam and GIZH-290, but indicate differences in the mechanisms of the drugs anticonvulsant effect formation.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>нейроактивные аминокислоты</kwd><kwd>«литий-пилокарпиновая» модель судорог</kwd><kwd>леветирацетам</kwd><kwd>производное 4-фенил-пирролидона</kwd><kwd>гиппокамп</kwd><kwd>префронтальная кора</kwd><kwd>крысы</kwd><kwd>neuroactive amino acids</kwd><kwd>"lithium-pilocarpine" model of seizures</kwd><kwd>levetiracetam</kwd><kwd>4-phenyl-pyrrolidone derivative</kwd><kwd>hippocampus</kwd><kwd>prefrontal cortex</kwd><kwd>rats</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">Kitgaard H., Pitkanen A. Antiepileptogenesis, neuroprotection, and disease modification in the treatment of epilepsy: focus on levetiracetam. 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