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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">vestim</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной  академии наук Беларуси. Серия медицинских наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Medical series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1814-6023</issn><issn pub-type="epub">2524-2350</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1814-6023-2019-16-3-291-297</article-id><article-id custom-type="elpub" pub-id-type="custom">vestim-506</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>КЛИНИЧЕСКАЯ И ЭКСПЕРИМЕНТАЛЬНАЯ МЕДИЦИНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL AND EXPERIMENTAL MEDICINE</subject></subj-group></article-categories><title-group><article-title>Влияние блокады синтеза монооксида азота метиловым эфиром N-нитро-L-аргинина (L-NAME) на содержание свободных аминокислот и биогенных аминов в коре головного мозга крыс при субтотальной ишемии головного мозга</article-title><trans-title-group xml:lang="en"><trans-title>Effect of blockade of synthesis of nitric oxide by L-NAME on the level of free amino acids and biogenic amines in the brain cortex of rats with subtotal cerebral ischemia</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>Разводовский</surname><given-names>Ю. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Razvodovsky</surname><given-names>Y. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Разводовский Юрий Евгеньевич – науч. сотрудник</p><p>ул. Горького, 80, 230009, г. Гродно</p></bio><bio xml:lang="en"><p>Yury E. Razvodovsky – Researcher</p><p>80, Gorky Str., 230009, Grodno</p></bio><email xlink:type="simple">razvodovsky@tut.by</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>Смирнов</surname><given-names>В. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Smirnov</surname><given-names>V. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Смирнов Виталий Юрьевич – канд. биол. наук, доцент, ст. науч. сотрудник</p><p>ул. Горького, 80, 230009, г. Гродно</p></bio><bio xml:lang="en"><p>Vitaly Yu. Smirnov – Ph. D. (Biol.), Assistant Professor, Senior researcher</p><p>80, Gorky Str., 230009, Grodno</p></bio><email xlink:type="simple">vit_sm@mail.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>Дорошенко</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Doroshenko</surname><given-names>Ye. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дорошенко Евгений Михайлович – канд. биол. наук, доцент, вед. науч. сотрудник</p><p>ул. Горького, 80, 230009, г. Гродно</p></bio><bio xml:lang="en"><p>Evgeny M. Doroshenko – Ph. D. (Biol.), Assistant Professor, Senior researcher</p><p>80, Gorky Str., 230009, Grodno</p></bio><email xlink:type="simple">dqio3@mail.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>Максимович</surname><given-names>Н. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Maksimovich</surname><given-names>N. Ye.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Максимович Наталья Евгеньевна – д-р мед. наук, профессор, заведующий кафедрой</p><p>ул. Горького, 80, 230009, г. Гродно</p></bio><bio xml:lang="en"><p>Natalia Ye. Maksimovich – D. Sc. (Med.), Professor, Head of the Department</p><p>80, Gorky Str., 230009, Grodno</p></bio><email xlink:type="simple">mne@grsmu.by</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>Семененя</surname><given-names>И. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Semenenya</surname><given-names>I. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Семененя Игорь Николаевич – д-р мед. наук, профессор, директор</p><p>БЛК, 50, 230009, г. Гродно</p></bio><bio xml:lang="en"><p>Igor N. Semenenya – D. Sc. (Med.), Professor, Director</p><p>50, BLK, 230009, Grodno</p></bio><email xlink:type="simple">insemenenya@yandex.by</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Гродненский государственный медицинский университет</institution></aff><aff xml:lang="en"><institution>Grodno State Medical University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт биохимии биологически активных соединений НАН Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Biologically Active Substances of the Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>16</day><month>09</month><year>2019</year></pub-date><volume>16</volume><issue>3</issue><fpage>291</fpage><lpage>297</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Разводовский Ю.Е., Смирнов В.Ю., Дорошенко Е.М., Максимович Н.Е., Семененя И.Н., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Разводовский Ю.Е., Смирнов В.Ю., Дорошенко Е.М., Максимович Н.Е., Семененя И.Н.</copyright-holder><copyright-holder xml:lang="en">Razvodovsky Y.E., Smirnov V.Y., Doroshenko Y.M., Maksimovich N.Y., Semenenya I.N.</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://vestimed.belnauka.by/jour/article/view/506">https://vestimed.belnauka.by/jour/article/view/506</self-uri><abstract><p>Механизмы развития ишемического повреждения головного мозга сложны и не до конца понятны. Одним из направлений детализации патогенеза ишемического инсульта является изучение изменений фонда свободных аминокислот и биогенных аминов в различных отделах головного мозга.</p><p>Цель исследования – характеристика изменений пула аминокислот и биогенных аминов в коре головного мозга крыс при субтотальной ишемии головного мозга (СИГМ) на фоне введения блокатора синтеза монооксида азота L-NAME.</p><p>При СИГМ  наблюдалось повышение в коре уровней аспартата, b-аланина, валина и лейцина, а также снижение концентраций глутамата, аспарагина, треонина, гамма-аминомасляной кислоты (ГАМК), тирозина и 5-оксииндолилуксусной кислоты (5-ОИУК). Введение L-NAME, несмотря на нормализацию нарушенных СИГМ уровней аспартата, глутамата, аспарагина, метионина, ГАМК, b-аланина, 5-ОИУК, индуцировало дополнительный аминокислотный дисбаланс в коре головного мозга. Отмечалось снижение концентраций глутамина, гистидина, таурина, триптофана, фенилаланина, тирозина (по отношению к СИГМ), а также повышение уровней треонина и аргинина. Выраженность аминокислотного дисбаланса, индуцируемого введением L-NAME при СИГМ, была гораздо выше, чем выраженность аминокислотного дисбаланса, индуцированного СИГМ.</p></abstract><trans-abstract xml:lang="en"><p>Mechanisms of development of ischemic stroke are complex and have not been fully established. The aim of this study was to estimate the changes in the pool of free amino acids and biogenic animes in the brain cortex of rats with subtotal cerebral ischemia (SCI) and treated with L-NAME. Experiment was made on 18 rats: 12 animals were undergoing bilateral filament occlusion of arteries carotid, 6 of them were treated with L-NAME. The analyses of free amino acids levels in the blood plasma extracts were carried out by reversed phase HPLC.</p><p>Concentrations of several amino acids were elevated during SCI including aspartate, b-alanine, valine and leucine. In contrast, the levels of glutamate, asparagine, treonine, gamma-aminobutiric acid, tyrosine and 5-hydroxiindolylacetate were decreased. The administration of L-NAME partially prevented the imbalance of the amino acids pool due to SCI by normalizing the levels of aspartate, glutamate, asparagine, methionine, gamma-aminobutiric acid, b-alanine, 5-hydroxiindolylacetate. However, the administration of L-NAME has induced an additional imbalance in the amino acids pool in the brain cortex (decrease in the levels of glutamine, histidine, taurine, tryptophan, phenylalanine, tyrosine (in comparison to SCI) and decrease in the levels of treonine and arginine. The imbalance of the amino acids pool induced by the administration of L-NAME during SCI is more severe than the imbalance caused by SCI.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>свободные аминокислоты</kwd><kwd>биогенные амины</kwd><kwd>кора головного мозга</kwd><kwd>субтотальная ишемия головного мозга</kwd></kwd-group><kwd-group xml:lang="en"><kwd>amino acids</kwd><kwd> biogenic amines</kwd><kwd> brain cortex</kwd><kwd> subtotal cerebral ischemia</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">Maksimovich, N. Ye. Tolerance of hypoxic hypoxia in rats with cerebral ischemia treated by NO-synthase modulators / N. Ye. Maksimovich // Hypoxia Med. J. – 2004. – Vоl. 1–2, N 4. – P. 20–23.</mixed-citation><mixed-citation xml:lang="en">Maksimovich N. Ye. Tolerance of hypoxic hypoxia in rats with cerebral ischemia treated by NO-synthase modulators. 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