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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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Доклады Академии наук</journal-id><journal-title-group><journal-title xml:lang="en">Доклады Академии наук</journal-title><trans-title-group xml:lang="ru"><trans-title>Доклады Академии наук</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0869-5652</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">14320</article-id><article-id pub-id-type="doi">10.31857/S0869-56524855629-633</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Biochemistry, biophysics, molecular biology</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Биохимия, биофизика, молекулярная биология</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Study of humoral immunity indicators for evaluation of chronic pain state</article-title><trans-title-group xml:lang="ru"><trans-title>Исследование показателей гуморального иммунитета для оценки хронической боли</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Myagkova</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Мягкова</surname><given-names>М. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>annalevashova3@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Levashova</surname><given-names>A. I.</given-names></name><name xml:lang="ru"><surname>Левашова</surname><given-names>А. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>annalevashova3@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Panchenko</surname><given-names>L. F.</given-names></name><name xml:lang="ru"><surname>Панченко</surname><given-names>Л. Ф.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Academician of the Russian Academy of Sciences</p></bio><bio xml:lang="ru"><p>Академик РАН</p></bio><email>annalevashova3@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Physiologically Active Substances of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт физиологически активных веществ Российской академии наук</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Scientific Institution «Institute Of General Pathology And Pathophysiology»</institution></aff><aff><institution xml:lang="ru">Научно-исследовательский институт общей патологии и патофизиологии</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2019-05-23" publication-format="electronic"><day>23</day><month>05</month><year>2019</year></pub-date><volume>485</volume><issue>5</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>629</fpage><lpage>633</lpage><history><date date-type="received" iso-8601-date="2019-06-23"><day>23</day><month>06</month><year>2019</year></date><date date-type="accepted" iso-8601-date="2019-06-23"><day>23</day><month>06</month><year>2019</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, Russian academy of sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, Российская академия наук</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="en">Russian academy of sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0869-5652/article/view/14320">https://journals.eco-vector.com/0869-5652/article/view/14320</self-uri><abstract xml:lang="en"><p>189 patients with chronic low back pain (LBP) caused by vertebral pain syndrome were surveyed. Pain levels, measured by differential visual-analog scale, and variations of natural antibody levels to the pain bioregulators (nAbs) in blood serum at LBP were studied during 21 days. We revealed gender features of immuno-profiles: more elevated nAbs levels against opioids at women at 1st day and equal levels in both gender groups at 21 days. Generally nAbs levels remained above normal up to 21st day in most of patients despite a three-fold decrease of pain intensity. A significant decrease in nAb levels was found in 4-20% of patients, depending on the bioregulator. These observations support the hypothesis that antibodies can be a factor in the prolongation of pain, so the analysis of the dynamics of nAbs for patients with LBP can be recommended, which will be useful to predict the further course of the disease.</p></abstract><trans-abstract xml:lang="ru"><p>У больных с хронической болью в спине (ХБС) исследовали в динамике уровень естественных антител (е-Ат) против регуляторов боли (β-эндорфин, орфанин, серотонин, дофамин, гистамин, ангиотензин). У большинства пациентов в течение 21 дня при достоверном 3-кратном снижении выраженности боли, оценённой по визуально-аналоговой шкале при разных функциональных состояниях, титры е-Ат сохранились патологически повышенными по сравнению с нормой. Достоверное снижение уровня е-Ат в зависимости от используемого регулятора боли выявили у 4-20% пациентов. Эти наблюдения подтверждают гипотезу, что антитела могут быть фактором пролонгации боли, поэтому больным с ХБС можно рекомендовать индивидуальный анализ динамики е-Ат, который позволит прогнозировать дальнейшее течение заболевания.</p></trans-abstract><kwd-group xml:lang="en"><kwd>chronic low back pain</kwd><kwd>natural antibodies</kwd><kwd>opioids</kwd><kwd>biogenic amines</kwd><kwd>histamine</kwd><kwd>angiotensin II</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>хроническая боль в спине</kwd><kwd>естественные антитела</kwd><kwd>опиаты</kwd><kwd>биогенные амины</kwd><kwd>гистамин</kwd><kwd>ангиотензин</kwd></kwd-group><funding-group><award-group><award-id></award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Nahin R. L. // J. Pain. 2015. V. 16. № 8. Р. 769-780.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Кукушкин М. Л. // Consilium Medicum. 2017. Т. 19. № 2. 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