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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Reviews on Clinical Pharmacology and Drug Therapy</journal-id><journal-title-group><journal-title xml:lang="en">Reviews on Clinical Pharmacology and Drug Therapy</journal-title><trans-title-group xml:lang="ru"><trans-title>Обзоры по клинической фармакологии и лекарственной терапии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1683-4100</issn><issn publication-format="electronic">2542-1875</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">792</article-id><article-id pub-id-type="doi">10.17816/RCF11454-60</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Modulation of electrical activity and ionic currents of isolated neurons by orexin A</article-title><trans-title-group xml:lang="ru"><trans-title>Модуляция электрической активности и ионных токов изолированных нейронов орексином А</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shabanov</surname><given-names>Petr Dmitriyevich</given-names></name><name xml:lang="ru"><surname>Шабанов</surname><given-names>Петр Дмитриевич</given-names></name></name-alternatives><bio xml:lang="en"><p>Dr. Med. Sci. (Pharmacology), Professor and Head, Anichkov Dept. of Neuropharmacology</p></bio><bio xml:lang="ru"><p>д. м. н., профессор, заведующий отделом нейрофармакологии им. С. В. Аничкова</p></bio><email>pdshabanov@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vislobokov</surname><given-names>Anatoliy Ivanovich</given-names></name><name xml:lang="ru"><surname>Вислобоков</surname><given-names>Анатолий Иванович</given-names></name></name-alternatives><bio xml:lang="en"><p>Dr. Med. Sci. (Physiology), Senior Researcher, Anichkov Dept. of Neuropharmacology</p></bio><bio xml:lang="ru"><p>д. б. н., старший научный сотрудник отдела нейрофармакологии им. С. В. Аничкова</p></bio><email>vislobokov@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Experimental Medicine, NWB RAMS</institution></aff><aff><institution xml:lang="ru">ФГБУ «Научно-исследовательский институт экспериментальной медицины» СЗО РАМН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2013-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2013</year></pub-date><volume>11</volume><issue>4</issue><issue-title xml:lang="en">VOL 11, NO4 (2013)</issue-title><issue-title xml:lang="ru">ТОМ 11, №4 (2013)</issue-title><fpage>54</fpage><lpage>60</lpage><history><date date-type="received" iso-8601-date="2015-10-21"><day>21</day><month>10</month><year>2015</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2013, Shabanov P.D., Vislobokov A.I.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2013, Шабанов П.Д., Вислобоков А.И.</copyright-statement><copyright-year>2013</copyright-year><copyright-holder xml:lang="en">Shabanov P.D., Vislobokov A.I.</copyright-holder><copyright-holder xml:lang="ru">Шабанов П.Д., Вислобоков А.И.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2016-07-16"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.eco-vector.com/RCF/article/view/792">https://journals.eco-vector.com/RCF/article/view/792</self-uri><abstract xml:lang="en"><p>The changes in intracellular potential of resting (PR) and potential of action (PA) of the identified neurons of pedal and visceral ganglia of the CNS mollusk Planorbarius corneus registered by means of intracellular electrodes, and ionic currents of isolated neurons under fixed potential after administration of orexin A in concentrations 1, 10, 100 and 1000 µg/ml were studied by the method of fixation of membrane potential in isolated neurons of the Lymnaea stagnalis mollusk. Dibazol in concentrations of 1 and 10 µM effected slightly on the ionic currents. High concentrations of dibazol (100 and 1000 µM) inhibited all currents in dose dependent manner with maximal effect on potassium currents amplitude. ЕС50 were 7.4 мМ for INa, 4.0 мМ for ICa, 83.9 µM for IKs,1 (one group of neurons) and 2.9 мМ for IKs,2 (the another group of neurons). The voltage-amper membrane characteristics shift was not registered, but the kinetics of currents development was changed. Dibazol was more effective in inhibition of ionic currents compared to its structural analogs.</p></abstract><trans-abstract xml:lang="ru"><p>Изучены изменения внутриклеточных потенциалов покоя (ПП) и действия (ПД) идентифицированных нейронов педальных и висцерального ганглиев ЦНС моллюска Planorbarius corneus, зарегистрированные с помощью внутриклеточных микроэлектродов, и ионных токов изолированных нейронов при фиксации потенциала под влиянием орексина А в концентрациях 1, 10, 100 и 1000 мкг/мл. Показано, что этот нейропептид модулирует электрическую активность нейронов: незначительно изменяет ПП, параметры ПД и частоту импульсной активности (ИА), что в целом можно оценивать как активирующее действие. В концентрации 1000 мкг/мл на фоне деполяризации наблюдали увеличение частоты ИА вплоть до подавления генерации ПД. В концентрации 1 мкг/мл орексин А увеличивал амплитуду медленного выходящего калиевого тока на 3-5 %, а в концентрациях 100 и более мкг/мл дозозависимо подавлял входящие ионные токи вплоть до 40 % при концентрации 1000 мкг/мл. При этом подавление натриевых токов было более сильным, чем кальциевых. Эффекты орексина А в высоких концентрациях можно считать неспецифическими и даже токсичными.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Planorbarius corneus</kwd><kwd>dibazol</kwd><kwd>calcium</kwd><kwd>sodium and potassium ionic currents</kwd><kwd>mollusk neurons</kwd><kwd>Lymnaea stagnalis</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>орексин А</kwd><kwd>нейроны</kwd><kwd>потенциал покоя</kwd><kwd>потенциал действия</kwd><kwd>импульсная активность</kwd><kwd>ионные токи</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Вислобоков А. И., Игнатов Ю. Д., Галенко-Ярошевский П. А., Шабанов П. Д. Мембранотропное действие фармакологических средств. - СПб.; Краснодар: Просвещение-Юг, 2010. - 528 с.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Вислобоков А. И., Игнатов Ю. Д., Середенин С. Б. 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