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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">Annals of Clinical and Experimental Neurology</journal-id><journal-title-group><journal-title xml:lang="en">Annals of Clinical and Experimental Neurology</journal-title><trans-title-group xml:lang="ru"><trans-title>Анналы клинической и экспериментальной неврологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2075-5473</issn><issn publication-format="electronic">2409-2533</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">545</article-id><article-id pub-id-type="doi">10.25692/ACEN.2018.4.3</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Unknown</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Evaluation of gut microbiota in Parkinson’s disease using gas chromatography with mass spectrometric detection</article-title><trans-title-group xml:lang="ru"><trans-title>Оценка микробиоты кишечника у пациентов с болезнью Паркинсона с помощью метода газовой хромато-масс-спектрометрии</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Krasakov</surname><given-names>Igor V.</given-names></name><name xml:lang="ru"><surname>Красаков</surname><given-names>Игорь Вячеславович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ikrasakov@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8988-3011</contrib-id><name-alternatives><name xml:lang="en"><surname>Litvinenko</surname><given-names>Igor V.</given-names></name><name xml:lang="ru"><surname>Литвиненко</surname><given-names>Игорь Вячеславович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>D. Sci. (Med.), Professor, Head, Department of nervous diseases, Chief neurologist of the Russian Ministry of Defense</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, начальник каф. нервных болезней, главный невролог Минобороны России</p></bio><email>ikrasakov@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rodionov</surname><given-names>Gennadiy G.</given-names></name><name xml:lang="ru"><surname>Родионов</surname><given-names>Геннадий Георгиевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ikrasakov@gmail.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shantyr</surname><given-names>Igor I.</given-names></name><name xml:lang="ru"><surname>Шантырь</surname><given-names>Игорь Игнатьевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ikrasakov@gmail.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Svetkina</surname><given-names>Ekaterina V.</given-names></name><name xml:lang="ru"><surname>Светкина</surname><given-names>Екатерина Владимировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ikrasakov@gmail.com</email><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">The Nikiforov All-Russian Centre of Emergency and Radiation Medicine</institution></aff><aff><institution xml:lang="ru">ФГБУ «Всероссийский центр экстренной и радиационной медицины им. А.М. Никифорова»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">S.M. Kirov Military Medical Academy</institution></aff><aff><institution xml:lang="ru">ФГБВОУ ВО «Военно-медицинская академия им. С.М. Кирова»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Nikiforov Russian Center of Emergency and Radiation Medicine</institution></aff><aff><institution xml:lang="ru">ФГБУ «Всероссийский центр экстренной и радиационной медицины им. А.М. Никифорова»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2018-12-07" publication-format="electronic"><day>07</day><month>12</month><year>2018</year></pub-date><volume>12</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>23</fpage><lpage>29</lpage><history><date date-type="received" iso-8601-date="2018-12-11"><day>11</day><month>12</month><year>2018</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2018, Krasakov I.V., Litvinenko I.V., Rodionov G.G., Shantyr I.I., Svetkina E.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2018, Krasakov I.V., Litvinenko I.V., Rodionov G.G., Shantyr I.I., Svetkina E.V.</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="en">Krasakov I.V., Litvinenko I.V., Rodionov G.G., Shantyr I.I., Svetkina E.V.</copyright-holder><copyright-holder xml:lang="ru">Krasakov I.V., Litvinenko I.V., Rodionov G.G., Shantyr I.I., Svetkina E.V.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://annaly-nevrologii.com/pathID/article/view/545">https://annaly-nevrologii.com/pathID/article/view/545</self-uri><abstract xml:lang="en"><p>The paper presents preliminary results of a comparative study assessing the gut microbiota in patients with Parkinson's disease and the control group using the gas chromatography with mass spectrometric detection. Sixteen patients with stage 3 Parkinson's disease and 94 age-matched persons without Parkinson's disease were examined. It was revealed that the total number of microbial markers in parietal intestinal microbiota in patients with Parkinson's disease was increased by 43% compared with the control group. This increase is due to a 2-fold increase in the number of conditional-pathogenic flora, and at the same time there was a 2-fold decrease in the number of microbial markers of useful microflora. The obtained results may be regarded as preliminary and need to be assessed in a large cohort of patients with Parkinson’s disease. It is also necessary to assess the relationship between immune status and changes in microbiota, and to develop methods of correction of the revealed changes. Analysis of the efficiency of restoration of qualitative and quantitative composition of microbiota should be carried out using methods for the assessment of bioequivalence levodopa dose.</p></abstract><trans-abstract xml:lang="ru"><p>Представлены результаты сравнительного исследования состава микробиоты кишечника 16 пациентов с 3-й стадией болезни Паркинсона и 94 неврологически здоровых лиц сопоставимого возраста методом газовой хромато-масс-спектрометрии. В пристеночном слое кишечника у пациентов с болезнью Паркинсона общее количество микробных маркеров увеличено на 43% по сравнению с группой контроля. Увеличение происходит за счет повышения количества условно-патогенной флоры в 2 раза и уменьшения в 2 раза количества микробных маркеров полезной микрофлоры. Полученные результаты могут рассматриваться как промежуточные и нуждаются в валидации на репрезентативном числе пациентов. Необходимы также оценка взаимосвязи иммунного статуса с изменениями микробиоты и разработка методов коррекции выявленных изменений. Анализ эффективности восстановления качественного и количественного состава микробиоты должен проводиться с применением методов оценки биоэквивалентной дозы леводопы.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Parkinson’s disease</kwd><kwd>gut microbiota</kwd><kwd>gas chromatography-mass spectrometry</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>болезнь Паркинсона</kwd><kwd>микробиота кишечника</kwd><kwd>газовая хромато-масс-спектрометрия</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Illarioshkin S.N., Levin O.S. (eds.) Rukovodstvo po diagnostike i lecheniyu bolezni Parkinsona [A Guide to the Diagnosis and Treatment of Parkinson's Disease]. Moscow, 2017. 336 p. 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