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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">Russian Journal of Physiology</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Physiology</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский физиологический журнал им. И.М. Сеченова</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0869-8139</issn><issn publication-format="electronic">2658-655X</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">696695</article-id><article-id pub-id-type="doi">10.7868/S2658655X25090011</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>EXPERIMENTAL ARTICLES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ЭКСПЕРИМЕНТАЛЬНЫЕ 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">Effect of ozone on the oxygen-transport function of blood and the content of gasotransmitters (nitric oxide and hydrogen sulfide) in rats</article-title><trans-title-group xml:lang="ru"><trans-title>Эффект озона на кислородтранспортную функцию крови и содержание газотрансмиттеров (монооксид азота и сероводорода) у крыс</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zinchuk</surname><given-names>V. V.</given-names></name><name xml:lang="ru"><surname>Зинчук</surname><given-names>В. В.</given-names></name></name-alternatives><email>zinchuk@grsmu.by</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Melenets</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Меленец</surname><given-names>М. А.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gulyai</surname><given-names>I. E.</given-names></name><name xml:lang="ru"><surname>Гуляй</surname><given-names>И. Э.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Grodno State Medical University</institution></aff><aff><institution xml:lang="ru">Гродненский государственный медицинский университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-09-15" publication-format="electronic"><day>15</day><month>09</month><year>2025</year></pub-date><volume>111</volume><issue>9</issue><issue-title xml:lang="en">VOL 111, NO9 (2025)</issue-title><issue-title xml:lang="ru">ТОМ 111, №9 (2025)</issue-title><fpage>1441</fpage><lpage>1452</lpage><history><date date-type="received" iso-8601-date="2025-11-21"><day>21</day><month>11</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><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2026-09-15"/></permissions><self-uri xlink:href="https://journals.eco-vector.com/0869-8139/article/view/696695">https://journals.eco-vector.com/0869-8139/article/view/696695</self-uri><abstract xml:lang="en"><p>Ozone therapy is a highly effective method of rehabilitation of the body in various pathologies, the effects of which can be associated with its influence on the mechanisms of oxygen transport in the blood. The aim of this work is to study the effect of ozone in various concentrations on the oxygen-transport function of the blood, the content of 2,3-diphosphoglycerate and adenosine triphosphate, the gasotransmitter system (nitrogen monoxide and hydrogen sulfide) in rats. The experiment was performed on white outbred male rats (n = 56), which were divided into 4 groups: the control group, which received 1.0 ml of 0.9% NaCl solution intraperitoneally for 10 days, and 3 experimental groups, which were administered 0.9% NaCl solution with an ozone concentration of 1, 10 and 100 μg/kg of animal weight, respectively, for 10 days. Blood oxygen-transport function indices, 2,3-diphosphoglycerate and adenosine triphosphate, nitrate/nitrite and hydrogen sulfide content were determined. Animals that received ozone at a concentration of 10 μg/kg showed an increase in PO<sub>2</sub>, SO<sub>2</sub>, P50<sub>real</sub>, 2,3-diphosphoglycerate, adenosine triphosphate and gas transmitters (nitrogen monoxide and hydrogen sulfide) compared to the control. No changes in blood oxygen-binding properties were observed when using ozone at minimum and maximum concentrations. The revealed effect of ozone (at a dose of 10 μg/kg) on rat blood oxygen-transport function, manifested in a decrease in hemoglobin affinity for oxygen, is realized through an increase in gas transmitters (nitrogen monoxide and hydrogen sulfide), promoting the growth of such modulators as 2,3-diphosphoglycerate and adenosine triphosphate.</p></abstract><trans-abstract xml:lang="ru"><p>Озонотерапия является высокоэффективным методом реабилитации организма при различных патологиях, эффекты которой могут быть связаны с ее влиянием на механизмы транспорта кислорода крови. Цель данной работы – исследование влияния озона в различных концентрациях на кислородтранспортную функцию крови, содержание 2,3-дифосфоглицерата и аденозинтрифосфата, систему газотрансмиттеров (монооксид азота и сероводорода) у крыс. Эксперимент выполнен на белых беспородных крысах-самцах (n = 56), которых разделили на 4 группы: контрольная, получавшая внутрибрюшинно 1.0 мл 0.9%-ного раствора NaCl в течение 10 суток, и 3 опытных, которым на протяжении 10 суток осуществлялось введение 0.9%-ного раствора NaCl с концентрацией озона 1, 10 и 100 мкг/кг массы животного соответственно. Определяли показатели кислородтранспортной функции крови, содержание 2,3-дифосфоглицерата и аденозинтрифосфата, нитрат/нитритов и сероводорода. У животных, которые получали озон в концентрации 10 мкг/кг, наблюдалось увеличение РО<sub>2</sub>, SO<sub>2</sub>, Р50<sub>реал</sub>, 2,3-дифосфоглицерата, аденозинтрифосфата и газотрансмиттеров (монооксид азота и сероводорода) в сравнении с контролем. При использовании озона в минимальных и максимальных концентрациях изменения показателей кислородсвязывающих свойств крови не отмечались. Выявленный эффект озона (в дозе 10 мкг/кг) на кислородтранспортную функцию крови крыс, проявляющийся в уменьшении сродства гемоглобина к кислороду, реализуется через увеличение монооксида азота и сероводорода, способствующих росту таких модуляторов, как 2,3-дифосфоглицерат и аденозинтрифосфат.</p></trans-abstract><kwd-group xml:lang="en"><kwd>ozone</kwd><kwd>blood</kwd><kwd>oxygen</kwd><kwd>gasotransmitter</kwd><kwd>nitrogen monoxide</kwd><kwd>hydrogen sulfide</kwd><kwd>2,3-diphosphoglycerate</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>озон</kwd><kwd>кровь</kwd><kwd>кислород</kwd><kwd>газотрансмиттер</kwd><kwd>монооксид азота</kwd><kwd>сероводород</kwd><kwd>2,3-дифосфоглицера</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнялась в рамках программы исследований, запланированных в учреждении образования “Гродненский государственный медицинский университет”.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Халилова АС-А, Иванов СВ (2020) Озонотерапия – способ улучшения состояния организма на тканевом уровне. 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