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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">epilepsia</journal-id><journal-title-group><journal-title xml:lang="en">Epilepsy and paroxysmal conditions</journal-title><trans-title-group xml:lang="ru"><trans-title>Эпилепсия и пароксизмальные состояния</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2077-8333</issn><issn pub-type="epub">2311-4088</issn><publisher><publisher-name>IRBIS LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17749/2077-8333/epi.par.con.2023.174</article-id><article-id custom-type="elpub" pub-id-type="custom">epilepsia-958</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="en"><subject>ORIGINAL ARTICLES</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group></article-categories><title-group><article-title>Assessing neurotropic effects of new antiepileptic nitrogen-containing drugs</article-title><trans-title-group xml:lang="ru"><trans-title>Изучение нейротропных свойств новых противоэпилептических азотсодержащих препаратов</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3845-6324</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пароникян</surname><given-names>Р. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Paronikyan</surname><given-names>R. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пароникян Рузанна Гарниковна – д.б.н., доцент, ведущий научный сотрудник Института тонкой органической химии</p><p>Scopus Author ID: 6507514418</p><p>пр-т Азатутян, д. 26, Ереван 0014</p></bio><bio xml:lang="en"><p>Rusanna G. Paronikyan – Dr. Biol. Sc., Associate Professor, Leading Researcher, Institute of Fine Organic Chemistry</p><p>26 Azatutyan Ave., Yerevan 0014</p></bio><email xlink:type="simple">paronikyanruzanna@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/0000-0002-8985-8227</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Авакян</surname><given-names>Г. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Avakyan</surname><given-names>G. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Авакян Георгий Гагикович – д.м.н., доцент кафедры неврологии, нейрохирургии и медицинской генетики медицинского факультета</p><p>Scopus Author ID: 35794841000</p><p>ул. Островитянова, д. 1, стр. 7, Москва 117513</p></bio><bio xml:lang="en"><p>Georgy G. Avakyan – Dr. Med. Sc., Associate Professor, Chair of Neurology, Neurosurgery and Medical Genetics, Faculty of Medicine</p><p>1 bldg 7 Ostrovityanov Str., Moscow 117513</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0173-9638</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Авакян</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Avakyan</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Авакян Ваган Мкртичевич</p><p>ул. Акопа Акопяна, д. 3/15, Ереван 0054</p></bio><bio xml:lang="en"><p>Vahan M. Avakyan</p><p>3/15 Akop Akopyan Str., Yerevan 0054</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6048-3599</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пароникян</surname><given-names>Е. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Paronikyan</surname><given-names>E. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пароникян Ерванд Гарникович – д.х.н., профессор, заведующий лабораторией синтеза психотропных соединений Института тонкой органической химии</p><p>Scopus Author ID: 6508362250.</p><p>пр-т Азатутян, д. 26, Ереван 0014</p></bio><bio xml:lang="en"><p>Ervand G. Paronikyan – Dr. Chem. Sc., Professor, Head of Laboratory of Synthesis of Psychotropic Compounds, Institute of Fine Organic Chemistry</p><p>26 Azatutyan Ave., Yerevan 0014</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Государственная некоммерческая организация «Научно-технологический центр органической и фармацевтической химии» Национальной академии наук Республики Армения</institution><country>Армения</country></aff><aff xml:lang="en"><institution>Scientific Technological Center of Organic and Pharmaceutical Chemistry, National Academy of Sciences of the Republic of Armenia</institution><country>Armenia</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГАОУ ВО «Российский национальный исследовательский медицинский университет им. Н.И. Пирогова» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pirogov Russian National Research Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Центр реабилитационной и традиционной медицины «Альт-Мед»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Center of Rehabilitation, Preventive and Traditional Medicine «AltMed»</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>20</day><month>12</month><year>2023</year></pub-date><volume>15</volume><issue>4</issue><fpage>318</fpage><lpage>325</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Paronikyan R.G., Avakyan G.G., Avakyan V.N., Paronikyan E.G., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Пароникян Р.Г., Авакян Г.Г., Авакян В.Н., Пароникян Е.Г.</copyright-holder><copyright-holder xml:lang="en">Paronikyan R.G., Avakyan G.G., Avakyan V.N., Paronikyan E.G.</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.epilepsia.su/jour/article/view/958">https://www.epilepsia.su/jour/article/view/958</self-uri><abstract><sec><title>Objective</title><p>Objective: to evaluate an effectiveness of new nitrogen-containing compounds for alleviating epileptiform conditions in animal experimental study, and conduct molecular modeling of a new neurotropic drug.</p></sec><sec><title>Material and methods</title><p>Material and methods. The anticonvulsant and psychotropic effects of six new heterocyclic compounds synthesized at the Institute of Fine Organic Chemistry were analyzed: № 1 (tetrahydrobenzothienopyrimidine), № 2 (pyridopyrimidine), № 3 (pyranotriazolopyridine), № 4 (thioalkylpyranotriazolopyridine), № 5 (pyrazolyltetrahydrothienoisoquinoline), and № 6 (thioxopyranopyridine). Experiments were carried out with 300 white outbred male mice weighing 18–24 g and 48 male rats weighing 120–150 g. The anticonvulsant spectrum of action was assessed in mice using the following tests: maximum electric shock, corazole-induced seizure. The psychotropic compound-related properties were analyzed using the following tests: elevated plus maze, open field, conflict situation. The neurotoxic compound-related effects were evaluated by incoordination of movements in rotating rod test. Comparison was performed with pufemide (3-(p-isopropoxyphenyl)succinimide), ethosuximide and diazepam.</p></sec><sec><title>Results</title><p>Results. The new nitrogen-containing drugs were revealed to exhibit high anticonvulsant activity, especially observed in corazoleinduced seizure test. All select compounds have anticonvulsant, anxiolytic, psychosedative or behavior-activating effects. Compound № 1 (N3212) is the most effective (median effective dose is 16 mg/kg) in antagonism to corazole action and is significantly superior to ethosuximide and pufemide exceeding by 10- and 5-fold, respectively. The compound shows least toxic (median lethal dose is 2300 mg/kg) and low neurotoxic (median toxic dose is 660 mg/kg) effects. Therapeutic and protective indices for Compound No. 1 exceeds that of ethosuximide by 17- and 13-fold, and of pufemide by 6- and 8-fold, respectively.</p></sec><sec><title>Conclusion</title><p>Conclusion. The select compounds are superior to the approved drugs used in medical practice, pufemide and ethosuximide. A Compound N3212 selected among them may find application as an anticonvulsant drug with psychotropic effects.</p></sec></abstract><trans-abstract xml:lang="ru"><sec><title>Цель</title><p>Цель: в экспериментальном исследовании оценить эффективность новых азотсодержащих соединений для купирования эпилептиформных состояний и провести молекулярное моделирование нового нейротропного препарата.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. Проводилось изучение противосудорожной и психотропной активности шести новых синтезированных в Институте тонкой органической химии гетероциклических соединений: № 1 (тетрагидробензотиенопиримидин), № 2 (пиридoпиримидин), № 3 (пиранотриазолопиридин), № 4 (тиоалкилпиранотриазолопиридин), № 5 (пиразолилтетрагидротиеноизохинолин) и № 6 (тиоксопиранопиридин). Опыты выполняли на 300 белых аутбредных мышах-самцах массой 18–24 г и 48 крысах-самцах массой 120–150 г. Противосудорожный спектр действия исследовали на мышах по тестам «максимальный электрошок», «коразоловые судороги». Психотропные свойства соединений определяли по тестам: «приподнятый крестообразный лабиринт», «открытое поле», «конфликтная ситуация». Нейротоксические эффекты соединений оценивали по нарушению координации движений в тесте «вращающийся стержень». Сравнение проводили с препаратами пуфемид (3-(п-изопропоксифенил)сукцинимид), этосуксимид и диазепам.</p></sec><sec><title>Результаты</title><p>Результаты. У новых азотсодержащих препаратов выявлена высокая противосудорожная активность, особенно по тесту «коразоловые судороги». Все отобранные соединения обладали противосудорожным, анксиолитическим, психоседативным или активирующим поведение действием. Соединение № 1 (N3212) наиболее эффективно (эффективная 50% доза 16 мг/кг) по антагонизму с коразолом. По данному показателю оно статистически достоверно превосходит этосуксимид в 10 раз и пуфемид в 5 раз. Соединение является наименее токсичным (летальная 50% доза 2300 мг/кг) и имеет низкую нейротоксичность (токсичная 50% доза 660 мг/кг). Терапевтический и защитный индексы соединения превосходят этосуксимид в 17 и 13 раз, а пуфемид – в 6 и 8 раз соответственно.</p></sec><sec><title>Заключение</title><p>Заключение. Исследуемые соединения превосходят известные используемые в медицинской практике препараты пуфемид и этосуксимид. Отобранное среди них соединение N3212 может найти применение как противосудорожный препарат с психотропными свойствами.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>Азотсодержащие препараты</kwd><kwd>противосудорожная активность</kwd><kwd>психотропная активность</kwd><kwd>молекулярный докинг</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Nitrogen-containing drugs</kwd><kwd>anticonvulsant effect</kwd><kwd>psychotropic effect</kwd><kwd>molecular docking</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при финансовой поддержке Комитета по науке Республики Армения в рамках научных проектов №№ 21T-3C101 и 21T-1D231.</funding-statement><funding-statement xml:lang="en">The research was carried out with the financial support of the Committee for Science of the Republic of Armenia within scientific projects No. 21T-3C101 and 21T-1D231.</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">Авакян Г.Н. 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