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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">scbmt</journal-id><journal-title-group><journal-title xml:lang="ru">БИОМЕДИЦИНА</journal-title><trans-title-group xml:lang="en"><trans-title>Journal Biomed</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2074-5982</issn><issn pub-type="epub">2713-0428</issn><publisher><publisher-name>Scientific center of biomedical technologies of Federal Medical and Biological Agency</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33647/2713-0428-19-3E-114-118</article-id><article-id custom-type="elpub" pub-id-type="custom">scbmt-1522</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>ДОКЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ В БИОМЕДИЦИНЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>NON-CLINICAL RESEARCH IN BIOMEDICINE</subject></subj-group></article-categories><title-group><article-title>L-тироксина, природного лиганда человеческого сывороточного альбумина, на кинетику фибриллообразования β-амилоидного пептида</article-title><trans-title-group xml:lang="en"><trans-title>Effect of L-thyroxine, a Human Serum Albumin Natural Ligand, on the Kinetics of β-amyloid Peptide Fibril Formation</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>Литус</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Litus</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Литус Екатерина Андреевна = кандидат медицинских наук.</p><p>142290, Московская обл., Пущино, просп. Науки, 3</p></bio><bio xml:lang="en"><p>Ekaterina A. Litus - Cand. Sci. (Med.).</p><p>142290, Moscow Region, Pushchino, Nauki Ave., 3</p></bio><email xlink:type="simple">ealitus@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Немашкалова</surname><given-names>Е. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Nemashkalova</surname><given-names>E. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Немашкалова Екатерина Леонидовна - кандидат биологических наук.</p><p>142290, Московская обл., Пущино, просп. Науки, 3</p></bio><bio xml:lang="en"><p>Ekaterina L. Nemashkalova - Cand. Sci. (Biol.).</p><p>142290, Moscow Region, Pushchino, Nauki Ave., 3</p></bio><email xlink:type="simple">elnemashkalova@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вологжанникова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Vologzhannikova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вологжанникова Алиса Андреевна - кандидат биологических наук.</p><p>142290, Московская обл., Пущино, просп. Науки, 3</p></bio><bio xml:lang="en"><p>Alisa A. Vologzhannikova - Cand. Sci. (Biol.).</p><p>142290, Moscow Region, Pushchino, Nauki Ave., 3</p></bio><email xlink:type="simple">lisiks.av@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дерюшева</surname><given-names>Е. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Deryusheva</surname><given-names>E. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дерюшева Евгения Игоревна - кандидат физико-математических наук.</p><p>142290, Московская обл., Пущино, просп. Науки, 3</p></bio><bio xml:lang="en"><p>Evgeniya I. Deryusheva - Cand. Sci. (Phis.-Math.).</p><p>142290, Moscow Region, Pushchino, Nauki Ave., 3</p></bio><email xlink:type="simple">evgenia.deryusheva@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт биологического приборостроения ФГБУН ФИЦ «Пущинский научный центр биологических исследований» РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute for Biological Instrumentation of the Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>21</day><month>11</month><year>2023</year></pub-date><volume>19</volume><issue>3E</issue><fpage>114</fpage><lpage>118</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Литус Е.А., Немашкалова Е.Л., Вологжанникова А.А., Дерюшева Е.И., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Литус Е.А., Немашкалова Е.Л., Вологжанникова А.А., Дерюшева Е.И.</copyright-holder><copyright-holder xml:lang="en">Litus E.A., Nemashkalova E.L., Vologzhannikova A.A., Deryusheva E.I.</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.scbmt.ru/jour/article/view/1522">https://journal.scbmt.ru/jour/article/view/1522</self-uri><abstract><p>Лиганды человеческого сывороточного альбумина (ЧСА) обладают способностью модулировать его взаимодействие с β-амилоидным пептидом (Aβ), который является ключевым фактором патогенеза болезни Альцгеймера (БА). L-тироксин (L-Тр) — природный лиганд ЧСА, который, по данным эпидемиологических исследований и исследований на животных моделях, связан с патогенезом БА. В данной работе была изучена кинетика фибриллообразования Aβ в присутствии L-Тр и ЧСА с помощью флуоресцентного теста с тиофлавином Т. L-Тр не оказывал достоверного влияния на ингибирующий эффект ЧСА по отношению к процессу роста фибрилл. В то же время L-Тр сам по себе обладал ингибирующим эффектом, сравнимым с эффектом ЧСА. Полученные нами данные частично могут объяснить связь БА с патологиями щитовидной железы.</p></abstract><trans-abstract xml:lang="en"><p>Ligands of human serum albumin (HSA) are capable of modulating its interaction with β-amyloid peptide (Aβ), which is a key factor in the pathogenesis of Alzheimer’s disease (AD). L-thyroxine (L-Tr), a natural HSA ligand, is associated with the pathogenesis of AD according to epidemiological and animal model studies. In this work, we studied the kinetics of Aβ fibril formation in the presence of L-Tr and HSA using a fluorescent test with thioflavin T. L-Tr had no significant effect on the inhibitory effect of HSA on fibril growth. At the same time, L-Tr itself had an inhibitory effect similar to that of HSA. Our data can partially explain the relationship between AD and thyroid pathologies.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>L-тироксин</kwd><kwd>человеческий сывороточный альбумин</kwd><kwd>β-амилоидный пептид</kwd><kwd>болезнь Альцгеймера</kwd></kwd-group><kwd-group xml:lang="en"><kwd>L-thyroxine</kwd><kwd>human serum albumin</kwd><kwd>amyloid-β peptide</kwd><kwd>Alzheimer’s disease</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">исследование выполнено при финансовой поддержке Российского научного фонда, грант № 20-74-10072</funding-statement><funding-statement xml:lang="en">the research was funded by a grant from the Russian Science Foundation No. 20-74-10072</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Дерюшева Е.И., Немашкалова Е.Л., Шевелёва М.П., Литус Е.А. 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