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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">10.29235/1814-6023-2019-16-2-185-191</article-id><article-id custom-type="elpub" pub-id-type="custom">vestim-495</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>Пул свободных аминокислот плазмы крови у крыс при субтотальной ишемии головного мозга в условиях блокады синтеза монооксида азота метиловым эфиром N-нитро-L-аргинина (L-NAME)</article-title><trans-title-group xml:lang="en"><trans-title>Pool of free amino acids in the blood plasma of rats undergoing subtotal cerebral ischemia after L-name administration</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>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>бульвар Ленинского комсомола, 50, 230030, г. Гродно</p></bio><bio xml:lang="en"><p>Igor N. Semenenya – D. Sc. (Med.), Professor, Director</p><p>50, BLK, 230030, 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 Biochemistry of Biologically Active Compounds of the National 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>01</day><month>07</month><year>2019</year></pub-date><volume>16</volume><issue>2</issue><fpage>185</fpage><lpage>191</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Разводовский Ю.Е., Смирнов В.Ю., 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., Максимович Н.Е., Семененя И.Н.</copyright-holder><copyright-holder xml:lang="en">Razvodovsky Y.E., Smirnov V.Y., 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/495">https://vestimed.belnauka.by/jour/article/view/495</self-uri><abstract><p>Инсульт является одной из основных причин инвалидности и смертности населения во многих странах мира. Механизмы развития ишемического инсульта сложны и до конца не исследованы. Цель работы – изучение изменений пула свободных аминокислот и их метаболитов в плазме крови крыс при субтотальной ишемии головного мозга (СИГМ) на фоне введения N-нитро-L-аргининметилового эфира (L-NAME). Эксперимент выполнен на 18 белых беспородных крысах-самках. СИГМ моделировали у 12 крыс путем перевязки обеих общих сонных артерий в течение 1 ч. L-NAME вводили 6 животным внутривенно в дозе 5 мг/кг непосредственно перед перевязкой сонных артерий. Содержание аминокислот и их дериватов в экстрактах плазмы крови определяли методом обращенно-фазной высокоэффективной жидкостной хроматографии. Установлено, что СИГМ индуцировал аминокислотный дисбаланс плазмы крови, проявлением которого было повышение уровней целого ряда соединений. Предварительное введение L-NAME частично предотвращало развитие аминокислотного дисбаланса плазмы крови при СИГМ.</p></abstract><trans-abstract xml:lang="en"><p>A stroke is one of the leading causes of morbidity, disability and mortality in many countries. 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 their derivatives in the plasma of rats undergoing subtotal cerebral ischemia (SCI) and treated with L-NAME. Experiment was made on 18 rats: 12 animals were undergoing bilateral flament 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 reversedphase HPLC. Concentrations of several amino acids were elevated after 1 hour of ischemia, including aspartate, asparagine, glutamine, glycin, alanine, taurine, phenylalanine, gistidine, 3-methilgistidine, treonine, citrulline, ornitine, as well as branched-chain amino acids. Administration of L-NAME partially prevented the imbalance of the amino acids pool caused by SCI. Preventive injection of L-NAME alleviated the imbalance in the pool of free amino acids of blood plasma caused by SCI.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>аминокислоты</kwd><kwd>плазма крови</kwd><kwd>субтотальная ишемия головного мозга</kwd></kwd-group><kwd-group xml:lang="en"><kwd>amino acids</kwd><kwd>blood plasma</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">Разводовский, Ю. Е. Потребление алкоголя и смертность от инсульта в Беларуси / Ю. Е. 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