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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">289</article-id><article-id pub-id-type="doi">10.17816/psaic289</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Reviews</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Обзоры</subject></subj-group><subj-group subj-group-type="article-type"><subject>Unknown</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Alpha-synuclein as a biomarker of Parkinson’s disease</article-title><trans-title-group xml:lang="ru"><trans-title>Альфа-синуклеин как биомаркер болезни Паркинсона</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Pchelina</surname><given-names>S. N.</given-names></name><name xml:lang="ru"><surname>Пчелина</surname><given-names>С. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sopchelina@hotmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">St. Petersburg State Medical University named after I.P. Pavlov</institution></aff><aff><institution xml:lang="ru">Санкт-Петербургский государственный медицинский университет им. акад. И.П. Павлова</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2011-12-13" publication-format="electronic"><day>13</day><month>12</month><year>2011</year></pub-date><volume>5</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>46</fpage><lpage>51</lpage><history><date date-type="received" iso-8601-date="2017-02-03"><day>03</day><month>02</month><year>2017</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2011, Pchelina S.N.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2011, Pchelina S.N.</copyright-statement><copyright-year>2011</copyright-year><copyright-holder xml:lang="en">Pchelina S.N.</copyright-holder><copyright-holder xml:lang="ru">Pchelina S.N.</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/289">https://annaly-nevrologii.com/pathID/article/view/289</self-uri><abstract xml:lang="en"><p>Parkinson’s disease (PD) is a common neurodegenerative disorder. Toxic aggregation of a small presynaptic protein alpha-synuclein is considered to be the main step in the pathogenesis of PD. Today there are no suitable diagnostic tests based on biochemical investigation of such readily accessible tissues as blood and cerebrospinal fluid (CSF). A search for PD biomarkers aimed at diagnosis and monitoring of the disease remains very actual. As suggested in several studies, the use of the peripheral alphasynuclein level might be a prognostic marker for PD, but until now this question remains open. Evaluation of blood and CSF alpha-synuclein levels in patients with PD compared with agematched controls provided conflicting results. Specific detection and quantification of oligomeric forms of alpha-synuclein in combination with the improvement of imaging techniques may be considered as most perspective direction.</p> <p> </p></abstract><trans-abstract xml:lang="ru"><p>В качестве основного звена патогенеза болезни Паркинсона (БП) рассматривается формирование нейротоксических агрегатов небольшого пресинаптического белка альфа-синуклеина. Сегодня не существует диагностических тестов БП, основанных на биохимических исследованиях доступных биологических жидкостей (кровь, цереброспинальная жидкость). Поиск биомаркеров, позволяющих проводить диагностику и мониторинг заболевания, остается крайне актуальным. В ряде исследований предложено использование уровня периферического альфа-синуклеина в качестве прогностического маркера БП, однако до настоящего момента этот вопрос остается открытым. Работы по сопоставлению уровня мономерного альфа-синуклеина лимфоцитов периферической крови, плазмы и цереброспинальной жидкости у пациентов с БП и в контроле носят противоречивый характер. Разработка методов выявления и количественной оценки олигомерных форм альфа-синуклеина в сочетании с развитием методов нейровизуализации может рассматриваться как наиболее перспективное направление.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Parkinson’s disease</kwd><kwd>biomarkers</kwd><kwd>alpha-synuclein</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>болезнь Паркинсона</kwd><kwd>биомаркеры</kwd><kwd>альфа-синуклеин</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Иллариошкин С.Н. Конформационные болезни мозга. М.: Янус-К, 2003.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Иллариошкин С.Н., Иванова-Смоленская И.А., Маркова Е.Д. 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