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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">zdor</journal-id><journal-title-group><journal-title xml:lang="ru">Проблемы здоровья и экологии</journal-title><trans-title-group xml:lang="en"><trans-title>Health and Ecology Issues</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-0967</issn><issn pub-type="epub">2708-6011</issn><publisher><publisher-name>Gomel State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.51523/2708-6011.2017-14-2-15</article-id><article-id custom-type="elpub" pub-id-type="custom">zdor-1793</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>ЭКСПЕРИМЕНТАЛЬНАЯ МЕДИЦИНА И БИОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>EXPERIMENTAL MEDICINE AND BIOLOGY</subject></subj-group></article-categories><title-group><article-title>СВОБОДНЫЕ АМИНОКИСЛОТЫ ПЛАЗМЫ КРОВИ КАК ИНТЕГРАЛЬНЫЙ ПОКАЗАТЕЛЬ МЕТАБОЛИЧЕСКИХ НАРУШЕНИЙ ПРИ ДЛИТЕЛЬНОМ ПОСТУПЛЕНИИ В ОРГАНИЗМ МАЛЫХ ДОЗ АЦЕТАТА СВИНЦА</article-title><trans-title-group xml:lang="en"><trans-title>FREE AMINO ACIDS OF BLOOD PLASMA AS AN INTEGRAL PARAMETER OF METABOLIC DISORDERS IN A LONG-TERM INTAKE OF SMALL DOSES OF LEAD ACETATE INTO THE ORGANISM</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>Шейбак</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Sheybak</surname><given-names>V. M.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Павлюковец</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Pavliukovets</surname><given-names>A. Y.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Смирнов</surname><given-names>В. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Smirnov</surname><given-names>V. Yu.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></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><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>28</day><month>06</month><year>2017</year></pub-date><volume>0</volume><issue>2</issue><fpage>67</fpage><lpage>71</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шейбак В.М., Павлюковец А.Ю., Смирнов В.Ю., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Шейбак В.М., Павлюковец А.Ю., Смирнов В.Ю.</copyright-holder><copyright-holder xml:lang="en">Sheybak V.M., Pavliukovets A.Y., Smirnov V.Y.</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://journal.gsmu.by/jour/article/view/1793">https://journal.gsmu.by/jour/article/view/1793</self-uri><abstract><p>Цель: проанализировать пул свободных аминокислот и их азот-содержащих метаболитов плазмы крови животных, получавших ацетат свинца в течение 21 или 28 суток. Материал и методы. Эксперименты проведены на белых беспородных крысах-самцах, начальной массой 140-160 г. Животные группы 1 за время эксперимента получили суммарное количество ацетата свинца 0,67 г (21 день), группы 2 - 1,12 г (28 дней). Определение свободных аминокислот в плазме крови проводили методом обращеннофазной ВЭЖХ. Результаты. В результате исследования установлено, что наиболее значимый вклад в формирование аминокислотного дисбаланса в плазме крови в результате длительного поступления ацетата свинца по значению критерия Фишера вносит изменение концентраций α-аминомасляной кислоты, изолейцина, аспартата, аргинина, глицина, серина, гистидина и метионина. Заключение. Длительное поступление ацетата свинца с питьевой водой приводит к статистически достоверному увеличению в плазме крови общего содержания свободных аминокислот и их азот-содержащих метаболитов, а также снижению концентрации незаменимой аминокислоты треонин.</p></abstract><trans-abstract xml:lang="en"><p>Objective: to analyze the pool of free amino acids and their nitrogen-containing metabolites of blood plasma of animals being administered lead acetate for 21 or 28 days. Material and methods. The experiments were carried out on white male rats with the initial weight of 140-160 g. During the experiment the animals received a total amount of 0.67 g of lead acetate (21 days), the second group - 1.12 g (28 days). The determination of free amino acids in blood plasma was performed by the method of reversed-phase HPLC. Results. As a result of the research it has been found out that the most significant contribution to the formation of the amino acid imbalance in blood plasma as a result of the long-term intake of lead acetate according to the value of the Fisher test is caused by changes in the concentrations of α-aminobutyric acid, isoleucine, aspartate, arginine, glycine, serine, histidine, and methionine. Conclusion. The long-term intake of lead acetate with drinking water leads to a statistically significant increase of general content of free amino acids and their nitrogen-containing metabolites, as well as to a decrease of the concentration the essential amino acid threonine in blood plasma.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ацетат свинца</kwd><kwd>плазма крови</kwd><kwd>свободные аминокислоты</kwd><kwd>lead acetate</kwd><kwd>blood plasma</kwd><kwd>free amino acids</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">Toxicity, mechanism and health effects of some heavy metals / M. Jaishankar [et al.] // Interdiscip Toxicol. - 2014. - Vol. 7, № 2. - Р. 60-72.</mixed-citation><mixed-citation xml:lang="en">Toxicity, mechanism and health effects of some heavy metals / M. 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