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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">Doklady Biological Sciences</journal-id><journal-title-group><journal-title xml:lang="en">Doklady Biological Sciences</journal-title><trans-title-group xml:lang="ru"><trans-title>Доклады Российской академии наук. Науки о жизни</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2686-7389</issn><issn publication-format="electronic">3034-5057</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">693510</article-id><article-id pub-id-type="doi">10.31857/S2686738925040169</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</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">Effects of lys-arg-arg-lys-pro-gly-pro peptide, warfarin, and acetylsalicylic acid on lipid metabolism in rats with metabolic syndrome</article-title><trans-title-group xml:lang="ru"><trans-title>Эффекты пептида LYS-ARG-ARG-LYS-PRO-GLY-PRO, варфарина и ацетилсалициловой кислоты на метаболизм липидов у крыс с метаболическим синдромом</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Obergan</surname><given-names>T. Yu.</given-names></name><name xml:lang="ru"><surname>Оберган</surname><given-names>Т. Ю.</given-names></name></name-alternatives><email>tobergan@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Myasoedov</surname><given-names>N. F.</given-names></name><name xml:lang="ru"><surname>Мясоедов</surname><given-names>Н. Ф.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shubina</surname><given-names>T. A.</given-names></name><name xml:lang="ru"><surname>Шубина</surname><given-names>Т. А.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Grigorjeva</surname><given-names>M. E.</given-names></name><name xml:lang="ru"><surname>Григорьева</surname><given-names>М. Е.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Lyapina</surname><given-names>L. A.</given-names></name><name xml:lang="ru"><surname>Ляпина</surname><given-names>Л. А.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Lomonosov Moscow State University, Faculty of Biology</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО Московский государственный университет им. М. В. Ломоносова, Биологический факультет</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Institute of Molecular Genetics National Research Center “Kurchatov Institute”</institution></aff><aff><institution xml:lang="ru">ФГБУН Институт молекулярной генетики НИЦ “Курчатовский институт”</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-08-15" publication-format="electronic"><day>15</day><month>08</month><year>2025</year></pub-date><volume>523</volume><issue>1</issue><issue-title xml:lang="en">VOL 523, NO (2025)</issue-title><issue-title xml:lang="ru">ТОМ 523, № (2025)</issue-title><fpage>474</fpage><lpage>478</lpage><history><date date-type="received" iso-8601-date="2025-10-16"><day>16</day><month>10</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Российская академия наук</copyright-statement><copyright-year>2025</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/2686-7389/article/view/693510">https://journals.eco-vector.com/2686-7389/article/view/693510</self-uri><abstract xml:lang="en"><p>A comparative study of three drugs (KRRKPGP peptide, warfarin and acetylsalicylic acid) with an anticoagulant effect in the body was conducted. The drugs were administered orally in effective doses (peptide and warfarin-100 mcg/kg, acetylsalicylic acid –1 mg/kg) for 7 days to laboratory rats with metabolic syndrome induced by a high-calorie diet (HCD). After 20 hours after the last administration of the drugs, a decrease in the concentration of total cholesterol, low-density lipoprotein cholesterol, triglycerides and an increase in the concentration of high-density lipoprotein cholesterol and a slowdown in the growth of body weight in rats were detected, which persisted for 7 days after stopping their administration. The greatest hypolipidemic effect was caused by the KRRKPGP peptide.</p></abstract><trans-abstract xml:lang="ru"><p>Было проведено сравнительное исследование трех препаратов (пептида KRRKPGP, варфарина и ацетилсалициловой кислоты), обладающих антикоагулянтным действием на организм. Препараты вводили перорально в эффективных дозах (пептид и варфарин – по 100 мкг/кг, ацетилсалициловая кислота –1 мг/кг) в течение 7 дней лабораторным крысам с метаболическим синдромом, индуцированным высококалорийной диетой. Через 20 часов после последнего введения препаратов было обнаружено снижение концентрации общего холестерина, холестерина липопротеидов низкой плотности, триглицеридов и повышение концентрации холестерина липопротеидов высокой плотности и замедление роста массы тела у крыс, которые сохранялись в течение 7 дней после прекращения приема их администрация. Наибольший гиполипидемический эффект был вызван пептидом KRRKPGP.</p></trans-abstract><kwd-group xml:lang="en"><kwd>acetylsalicylic acid</kwd><kwd>warfarin</kwd><kwd>lipid profile</kwd><kwd>body weight</kwd><kwd>metabolic syndrome</kwd><kwd>regulatory peptide</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>ацетилсалициловая кислота</kwd><kwd>варфарин</kwd><kwd>липидный профиль</kwd><kwd>масса тела</kwd><kwd>метаболический синдром</kwd><kwd>регуляторный пептид</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено в рамках научного проекта государственного задания МГУ имени М. В. Ломоносова. Никаких дополнительных грантов на проведение или руководство данным конкретным исследованием получено не было.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Li X., Weber N. C., Cohn D. M., et al., Hollmann M. W., DeVries J. H., Hermanides J., Preckel B. 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