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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">nefr</journal-id><journal-title-group><journal-title xml:lang="ru">Нефрология</journal-title><trans-title-group xml:lang="en"><trans-title>Nephrology (Saint-Petersburg)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-6274</issn><issn pub-type="epub">2541-9439</issn><publisher><publisher-name>Pavlov First Saint-Petersburg State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24884/1561-6274-2004-8-3-70-73</article-id><article-id custom-type="elpub" pub-id-type="custom">nefr-864</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. ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES. EXPERIMENTAL INVESTIGATION</subject></subj-group></article-categories><title-group><article-title>ОБМЕН КАТАЛАЗЫ У КРЫС ПРИ ХРОНИЧЕСКОМ ГЛОМЕРУЛОНЕФРИТЕ</article-title><trans-title-group xml:lang="en"><trans-title>CATALASE METABOLISM IN RATS WITH CHRONIC GLOMERULONEPHRITIS</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>Кириллова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kirillova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кафедра биохимии</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дебель</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Debel</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кафедра биохимии</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Санкт-Петербургская государственная химико-фармацевтическая академия</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2004</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2004</year></pub-date><volume>8</volume><issue>3</issue><fpage>70</fpage><lpage>73</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кириллова Н.В., Дебель М.М., 2004</copyright-statement><copyright-year>2004</copyright-year><copyright-holder xml:lang="ru">Кириллова Н.В., Дебель М.М.</copyright-holder><copyright-holder xml:lang="en">Kirillova N.V., Debel M.M.</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.nephrolog.ru/jour/article/view/864">https://journal.nephrolog.ru/jour/article/view/864</self-uri><abstract><p>ЦЕЛЬЮ ИССЛЕДОВАНИЯ было изучение обмена каталазы у экспериментальных животных при хроническом гломерулонефрите. МАТЕРИАЛ И МЕТОДЫ. Работу проводили на беспородных белых крысах-самцах массой тела 140160 г. Экспериментальную модель гломерулонефрита (нефрит Хейманна) вызывали у лабораторных животных внутримышечным введением гомогената почек здоровых крыс в полном адъюванте Фрейнда. Исследование биохимических показателей у крыс определяли через 3 недели после аутоиммунизации животных. РЕЗУЛЬТАТЫ. В предыдущей работе нами было установлено, что при хроническом гломерулонефрите в результате окислительного стресса происходит резкое падением активности каталазы. Как показало проведенное исследование, это связано с резким угнетением скорости накопления (Ks) ферментативного белка (от 5 до 8 раз) в крови, почках и печени крыс при гломерулонефрите по сравнению с контрольными животными и приводит к достоверному снижению концентрации каталазы в этих тканях. Одновременно наблюдали, повидимому, компенсаторное уменьшение распада (Kd) ферментативного белка и, как следствие, увеличение времени его «полужизни» (t1/2), что в какой-то мере компенсировало дефицит новосинтезированных молекул каталазы. ЗАКЛЮЧЕНИЕ. В работе было однозначно установлено, что обнаруженное ранее достоверное падение активности каталазы в крови, почках и печени крыс при развитии гломерулонефрита обусловлено резким снижением скорости его биосинтеза / накопления в этих тканях.</p></abstract><trans-abstract xml:lang="en"><p>THE AIM of the investigation was to study catalase metabolism in experimental animals with chronic glomerulonephritis. MATERIAL AND METHODS. The work was carried out in not thoroughbred male white rats with body mass 140160 g. Experimental model of glomerulonephritis (Heimann nephritis) was induced in experimental animals by intramuscular injecting homogenate of healthy rat kidneys in Freund’s adjuvant. The biochemical indices in rats were specified in three weeks after autoimmunization of the animals. RESULTS. It was found that chronic glomerulonephritis resulting from oxidative stress was followed by a sharp drop of catalase activity. It was shown to be due to a sharp inhibition of the rate of accumulation (Ks) of enzyme protein (from 5 to 8 times) in blood, kidneys and liver of the rats with glomerulonephritis as compared with control animals and to lead to a reliable decrease of catalase concentration in those tissues. At the same time the obviously compensatory decrease of decomposition (Kd) of the fermentative protein was observed and, as a result, a longer period of its «halflife» (t1/2) which in certain degree compensated the deficit of newly synthesized molecules of catalase. CONCLUSION. It was established that the earlier found reliable drop of catalase activity in blood, kidneys and liver of rats during the development of glomerulonephritis was due to sharply decreased rate of its biosynthesis / accumulation in these tissues.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>гломерулонефрит</kwd><kwd>антиоксидантная защитная система</kwd><kwd>активные формы кислорода (АФК)</kwd><kwd>каталаза</kwd><kwd>биосинтез</kwd><kwd>распад</kwd></kwd-group><kwd-group xml:lang="en"><kwd>gliomerulonephritis</kwd><kwd>antioxidant defense system</kwd><kwd>active forms of oxygen</kwd><kwd>catalase</kwd><kwd>biosynthesis</kwd><kwd>decomposition</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">Альдебель ММ, Кириллова НВ. Окислительное повреждение белков при экспериментальном гломерулонефрите. 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