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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">ksma</journal-id><journal-title-group><journal-title xml:lang="ru">Кубанский научный медицинский вестник</journal-title><trans-title-group xml:lang="en"><trans-title>Kuban Scientific Medical Bulletin</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1608-6228</issn><issn pub-type="epub">2541-9544</issn><publisher><publisher-name>Kuban State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25207/1608-6228-2019-26-1-18-27</article-id><article-id custom-type="elpub" pub-id-type="custom">ksma-1604</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>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>ИЗУЧЕНИЕ МЕХАНИЗМА ДЕЙСТВИЯ ФАРМАЦЕВТИЧЕСКОЙ СУБСТАНЦИИ РАПИТАЛАМ IN VIVO</article-title><trans-title-group xml:lang="en"><trans-title>IN VIVO STUDY OF THE ACTION MECHANISM OF THE RAPITALAM PHARMACEUTICAL SUBSTANCE</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>Авдеева</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Avdeeva</surname><given-names>Natal’ya V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Авдеева Наталья Викторовна;</p><p>тел.: +7 (4722) 30-13-73, +7 (910) 740-04-68; ул. Победы, д. 85, г. Белгород, 308015</p></bio><bio xml:lang="en"><p>tel.: +7 (4722) 30-13-73, +7 (910) 740-04-68; Pobedy str., 85, Belgorod, 308015</p></bio><email xlink:type="simple">7400468@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное автономное образовательное учреждение высшего образования «Белгородский государственный национальный исследовательский университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Belgorod State National Research University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>12</day><month>03</month><year>2019</year></pub-date><volume>26</volume><issue>1</issue><fpage>18</fpage><lpage>27</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Авдеева Н.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Авдеева Н.В.</copyright-holder><copyright-holder xml:lang="en">Avdeeva N.V.</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://ksma.elpub.ru/jour/article/view/1604">https://ksma.elpub.ru/jour/article/view/1604</self-uri><abstract><sec><title>Цель</title><p>Цель. Изучение механизмов действия фармацевтической субстанции Рапиталам на моделях паркинсонического синдрома.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. На самцах мышей и крыс изучались различные эффекты новой фармакологической субстанции — Н-хлорофенил-метил-дигидро-метокси-метилфенил-оксопиридазина карбоксамид (Рапиталам). В ходе эксперимента воспроизводились различные модели паркинсонического синдрома: моделирование паркинсонического синдрома путем введения нейротоксина 1-метил-4-фенил-1,2,3,6-тетрагидропиридина гидрохлорида (МФТП), моделирование галоперидол-индуцированной каталепсии, моделирование апоморфин-индуцированной стереотипии, моделирование оксотреморин-индуцированного тремора с проведением последующих тестов. Для определения эффективности Рапиталама на симптоматику, полученную при введении животным МФТП, осуществлялись следующие тесты: тест «открытое поле», тест «вращающийся стержень», оценивалась сила хватки и степень ригидности по длине шага. При моделировании галоперидол-индуцированной каталепсии проводили тест горизонтального стержня. После введения апоморфина оценивали выраженность стереотипии в баллах. Для изучения холинергического звена использовалась модель оксотреморин-индуцированного тремора у крыс. После введения оксотреморина оценивали степень выраженности тремора на фоне введения исследуемых соединений.</p></sec><sec><title>Результаты</title><p>Результаты. При анализе данных тестов «открытое поле», «вращающийся стержень», а также длины шага и силы хватки при моделировании синдрома паркинсонизма путем введения МФТП, межгрупповых статистических различий не выявлено. Таким образом, исследуемое соединение Рапиталам в дозах 2, 6 и 20 мг/кг и препарат сравнения Леводопа в дозе 60 мг/кг при пероральном введении мышам в течение 10 дней не оказывали влияния на показатели двигательной активности и моторной координации мышей. Также Рапиталам в дозах 1, 3 и 10 мг/кг, как и препарат сравнения Леводопа в дозе 50 мг/кг, не оказал влияния на выраженность галоперидол-индуцированной каталепсии и апоморфин-индуцированной стереотипии у крыс. При введении исследуемым животным оксотреморина наблюдалось статистически значимое снижение степени выраженности тремора на фоне введения Рапиталама в дозах 3 и 10 мг/кг.</p></sec><sec><title>Заключение</title><p>Заключение. Рапиталам не оказывает влияния на моторные нарушения, обусловленные дофаминергическими механизмами. Исследуемое соединение обладает выраженным холиноблокирующим эффектом в дозах 3 и 10 мг/кг.</p></sec><sec><title>Конфликт интересов</title><p>Конфликт интересов: автор заявил об отсутствии конфликта интересов.</p></sec></abstract><trans-abstract xml:lang="en"><p>The aim is to study the action mechanisms of the Rapitalam pharmaceutical substance using Parkinsonian syndrome models.</p><sec><title>Materials and methods</title><p>Materials and methods. Various effects of a new pharmacological substance, N-chlorophenylmethyl-dihydro-methoxy-methylphenyl-oxopyridazine carboxamide (Rapitalam), were studied in male laboratory mice and rats. During the experiment, the various models of the Parkinsonian syndrome were reproduced: the simulation of the Parkinsonian syndrome by administering 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine hydrochloride (MPTP) neurotoxin, the simulation of haloperidol-induced catalepsy, the simulation of apomorphine-induced stereotypy and the simulation of oxotremorine-induced tremor followed by tests. The following tests were carried out in order to determine the Rapitalam efficacy with regard to symptoms manifested after the MPTP administration in animals: the open field test, the rotarod performance test, as well as the evaluation of the grip strength and the degree of rigidity using the stride length. When simulating the haloperidol-induced catalepsy, a horizontal bar test was performed. After the administration of apomorphine, the severity of stereotypy was assessed in scores. A simulation of oxotremorine-induced tremor in rats was used to study the cholinergic link. After the administration of oxotremorine, the severity of tremor was assessed against the background of administration of the test compounds.</p></sec><sec><title>Results</title><p>Results. During the analysis of the data obtained in the open field and rotarod tests as well as the stride length and the grip force when simulating the Parkinsonian syndrome by introducing MPTP, no intergroup statistical differences were found. Thus, the tested Rapitalam substance in doses of 2 mg/kg, 6 mg/kg and 20 mg/kg and the Levodopa reference drug at a dose of 60 mg/kg had no effect on the indices of motor activity and motor coordination in mice when administered orally for 10 days. Rapitalam in doses of 1 mg/kg, 3 mg/kg and 10 mg/kg as well as the Levodopa reference drug at a dose of 50 mg/kg, did not affect the severity of haloperidol-induced catalepsy and apomorphine-induced stereotypy in rats. Under the administration of oxotremorine to laboratory animals, a statistically significant decrease in the severity of tremor was observed during the Rapitalam administration in doses of 3 mg/kg and 10 mg/kg.</p></sec><sec><title>Conclusion</title><p>Conclusion. Rapitalam is established to have no effect on motor impairment due to dopaminergic mechanisms. The tested substance is characterized by a pronounced cholinoblocking effect at doses of 3 mg/kg and 10 mg/kg.</p></sec><sec><title>Conflict of interest</title><p>Conflict of interest: the author declares no conflict of interest.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>болезнь Паркинсона</kwd><kwd>mGluR4-рецепторы</kwd><kwd>Рапиталам</kwd><kwd>холиноблокаторы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Parkinson’s disease</kwd><kwd>mGluR4 receptors</kwd><kwd>Rapitalam</kwd><kwd>cholinoblockers</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">Chaudhuri K.R., Healy D.G., Schapira A.H. Non-motor symptoms of Parkinson’s disease: diagnosis and management. Lancet Neurol. 2006; 5(3): 235–245. DOI: 10.1016/S1474-4422(06)70373-8</mixed-citation><mixed-citation xml:lang="en">Chaudhuri K.R., Healy D.G., Schapira A.H. 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