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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">r-n-j</journal-id><journal-title-group><journal-title xml:lang="ru">Российский неврологический журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Russian neurological journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2658-7947</issn><issn pub-type="epub">2686-7192</issn><publisher><publisher-name>МИА</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30629/2658-7947-2022-27-5-45-50</article-id><article-id custom-type="elpub" pub-id-type="custom">r-n-j-359</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>ИССЛЕДОВАНИЯ И КЛИНИЧЕСКИЕ НАБЛЮДЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL RESEARCHES AND CASE REPORTS</subject></subj-group></article-categories><title-group><article-title>Состояние мышцы, выпрямляющей позвоночник, у пациенток с хронической неспецифической болью в нижней части спины</article-title><trans-title-group xml:lang="en"><trans-title>The condition of the erector spinae muscle in patients with chronic nonspecific low back pain</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0951-5284</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рожков</surname><given-names>Д. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Rozhkov</surname><given-names>D. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Москва </p></bio><bio xml:lang="en"><p> Moscow </p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5937-9463</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зиновьева</surname><given-names>О. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Zinovyeva</surname><given-names>O. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Москва </p></bio><bio xml:lang="en"><p> Moscow </p></bio><email xlink:type="simple">zinovyevaolga@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2212-5640</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пеньков</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Penkov</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Пущино </p></bio><bio xml:lang="en"><p> Pushchino </p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2041-1141</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Уланова</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Ulanova</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Пущино </p></bio><bio xml:lang="en"><p> Pushchino </p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1472-2800</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Попова</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Popova</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Пущино </p></bio><bio xml:lang="en"><p> Pushchino </p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9785-4584</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Михайлова</surname><given-names>Г. З.</given-names></name><name name-style="western" xml:lang="en"><surname>Mikhailova</surname><given-names>G. Z.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Пущино </p></bio><bio xml:lang="en"><p> Pushchino </p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6063-6789</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вихлянцев</surname><given-names>И. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Vikhlyantsev</surname><given-names>I. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Пущино </p></bio><bio xml:lang="en"><p> Pushchino </p></bio><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Клиника нервных болезней имени А.Я. Кожевникова<country>Россия</country></aff><aff xml:lang="en">Clinic of Nervous Diseases named after A.Ya. Kozhevnikov<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Кафедра нервных болезней и нейрохирургии лечебного факультета института клинической медицины ФГАОУ&#13;
ВО «Первый Московский государственный медицинский университет им. И.М. Сеченова» Минздрава России&#13;
(Сеченовский Университет)<country>Россия</country></aff><aff xml:lang="en">The Department of Nervous Diseases and Neurosurgery of the Medical Faculty of the Institute of Clinical Medicine of the I.M. Sechenov First Moscow State Medical University of the Ministry of Health of Russia (Sechenov University)<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Институт биофизики клетки Российской академии наук — обособленное подразделение ФГБУН «Федеральный&#13;
исследовательский центр «Пущинский научный центр биологических исследований Российской академии наук»<country>Россия</country></aff><aff xml:lang="en">Institute of Cell Biophysics of the Russian Academy of Sciences is a separate subdivision of the Federal State Budgetary Institution of Science “Federal Research Center “Pushchinsky Scientific Center for Biological Research of the Russian Academy of Sciences”<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru">ФГБУН Институт теоретической и экспериментальной биофизики РАН<country>Россия</country></aff><aff xml:lang="en">FGBUN Institute of Theoretical and Experimental Biophysics of the Russian Academy of Sciences<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>24</day><month>11</month><year>2022</year></pub-date><volume>27</volume><issue>5</issue><fpage>45</fpage><lpage>50</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Рожков Д.О., Зиновьева О.Е., Пеньков Н.В., Уланова А.Д., Попова С.С., Михайлова Г.З., Вихлянцев И.М., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Рожков Д.О., Зиновьева О.Е., Пеньков Н.В., Уланова А.Д., Попова С.С., Михайлова Г.З., Вихлянцев И.М.</copyright-holder><copyright-holder xml:lang="en">Rozhkov D.O., Zinovyeva O.E., Penkov N.V., Ulanova A.D., Popova S.S., Mikhailova G.Z., Vikhlyantsev I.M.</copyright-holder><license 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://www.r-n-j.com/jour/article/view/359">https://www.r-n-j.com/jour/article/view/359</self-uri><abstract><p>Миофасциальный болевой синдром, обусловленный поражением паравертебральных мышц, рассматривается как одна из причин хронизации боли в спине. В то же время информации о состоянии паравертебральных мышц недостаточно, и она носит противоречивый характер.</p><p>Цель работы — выяснение наличия и выраженности структурно-функциональных изменений паравертебральных мышц и их роли в развитии хронической неспецифической боли в нижней части спины (ХНБНЧС) у женщин.</p><sec><title>Материал и методы</title><p>Материал и методы. 17 пациенткам в возрасте от 24 до 59 лет (средний возраст — 41,5 ± 12,1 года) с ХНБНЧС (средняя длительность болевого синдрома 10,0 ± 6,9 мес.), вызванной миофасциальным болевым синдромом, проведено морфологическое, иммунногистохимическое исследование биоптата мышечной ткани, а также определение методом гель-электрофореза изоформного состава гигантских саркомерных белков титина и небулина.</p></sec><sec><title>Результаты</title><p>Результаты. При морфологическом исследовании не выявлено признаков некроза, разрастания соединительной и жировой ткани, воспалительной инфильтрации. В биоптатах мышц пациенток выявлена трансформация миозинового фенотипа в сторону увеличения доли «быстрых» мышечных волокон II типа. Обнаружено также уменьшение содержания гигантских белков титина и небулина, связанных в саркомере с миозином и актином.</p></sec><sec><title>Заключение</title><p>Заключение. Полученные данные указывают на нарушение сократительной функции паравертебральной мышцы при ХНБНЧС.</p></sec></abstract><trans-abstract xml:lang="en"><p>Myofascial pain syndrome caused by damage to the paravertebral muscles is considered as one of the causes of chronic back pain. At the same time, there is not enough information about the condition of the paravertebral muscles, and it is contradictory.</p><p>The aim of the work is to elucidate the presence and severity of structural and functional changes in the paravertebral muscles and their role in the development of chronic nonspecific pain in the lower back in women.</p><sec><title>Material and methods</title><p>Material and methods. Morphological, immunohistochemical examination of a muscle tissue biopsy was performed in 17 patients aged 24 to 59 years (average age — 41.5 ± 12.1 years) with CNS (average duration of pain syndrome 10.0 ± 6.9 months) caused by myofascial pain syndrome, as well as determination by gel electrophoresis of the isoform composition of giant sarcomeric proteins titin and nebulin.</p></sec><sec><title>Results</title><p>Results. Morphological examination revealed no signs of necrosis, proliferation of connective and adipose tissue, inflammatory infiltration. The transformation of the myosin phenotype in the direction of an increase in the proportion of “fast” type II muscle fibers was revealed in the biopsies of the patients’ muscles. A decrease in the content of giant titin and nebulin proteins associated with myosin and actin in the sarcomere was also found.</p></sec><sec><title>Conclusion</title><p>Conclusion. The data obtained indicate a violation of the contractile function of the paravertebral muscle in CNS.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>хроническая боль в спине</kwd><kwd>миофасциальный болевой синдром</kwd><kwd>типы мышечных волокон</kwd><kwd>сократительные белки</kwd><kwd>обезболивание</kwd><kwd>кинезиотерапия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chronic back pain</kwd><kwd>myofascial pain syndrome</kwd><kwd>types of muscle fibers</kwd><kwd>contractile proteins</kwd><kwd>anesthesia</kwd><kwd>kinesiotherapy</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">Насонов Е.Л., Яхно Н.Н., Каратеев А.Е., Алексеева Л.И., Баринов А.Н., Барулин А.Е., Давыдов О.С., Данилов А.Б., Журавлева М.В., Заводовский Б.В., Копенкин С.С., Кукушкин М.Л., Парфенов В.А., Страхов М.А., Тюрин В.П., Чичасова Н.В., Чорбинская С.А. 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