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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">microcirculation</journal-id><journal-title-group><journal-title xml:lang="ru">Регионарное кровообращение и микроциркуляция</journal-title><trans-title-group xml:lang="en"><trans-title>Regional blood circulation and microcirculation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1682-6655</issn><issn pub-type="epub">2712-9756</issn><publisher><publisher-name>Academician I.P. Pavlov First St. Petersburg State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24884/1682-6655-2023-22-4-69-73</article-id><article-id custom-type="elpub" pub-id-type="custom">microcirculation-1251</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>ОРИГИНАЛЬНЫЕ СТАТЬИ (КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ)</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES (CLINICAL INVESTIGATIONS)</subject></subj-group></article-categories><title-group><article-title>Регуляция проагрегантной активности тромбоцитов при ингибировании циклооксигеназы у пациентов с нефролитиазом</article-title><trans-title-group xml:lang="en"><trans-title>Regulation of platelet proaggregant activity in cyclooxygenase inhibition in patients with nephrolithiasis</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8070-2242</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Баринов</surname><given-names>Э. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Barinov</surname><given-names>E. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Баринов Эдуард Федорович – д-р мед. наук, профессор, зав. кафедрой гистологии, цитологии и эмбриологии</p><p>84003, Россия, г. Донецк, пр. Ильича, д. 16</p></bio><bio xml:lang="en"><p>Barinov Edward F. – Professor, head, Department of histology, Cytology and Embryology</p><p>Donetsk</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/0000-0002-0279-1294</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гиллер</surname><given-names>Д. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Giller</surname><given-names>D. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гиллер Дина Игоревна – ассистент кафедры гистологии, цитологии и эмбриологии</p><p>84003, Россия, г. Донецк, пр. Ильича, д. 16</p></bio><bio xml:lang="en"><p>Giller Dina I. – Assistant, Department of histology, Cytology and Embryology</p><p>Donetsk </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/0009-0008-3926-4042</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Юрьева</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Yureva</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юрьева Алина Сергеевна – ассистент кафедры гистологии, цитологии и эмбриологии</p><p>84003, Россия, г. Донецк, пр. Ильича, д. 16</p></bio><bio xml:lang="en"><p>Yureva Alina S. – Assistant, Department of histology, Cytology and Embryology</p><p>Donetsk</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/0009-0001-8400-6500</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ахундова</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Akhundova</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ахундова Сабина Акбер кызы – ассистент кафедры гистологии, цитологии и эмбриологии</p><p>84003, Россия, г. Донецк, пр. Ильича, д. 16</p></bio><bio xml:lang="en"><p>Akhundova Sabina A. – Assistant, Department of histology, Cytology and Embryology</p><p>Donetsk </p><p> </p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Донецкий государственный медицинский университет имени М. Горького» МЗ Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Gorky Donetsk State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>29</day><month>12</month><year>2023</year></pub-date><volume>22</volume><issue>4</issue><fpage>69</fpage><lpage>73</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Баринов Э.Ф., Гиллер Д.И., Юрьева А.С., Ахундова С.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Баринов Э.Ф., Гиллер Д.И., Юрьева А.С., Ахундова С.А.</copyright-holder><copyright-holder xml:lang="en">Barinov E.F., Giller D.I., Yureva A.S., Akhundova S.A.</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://www.microcirc.ru/jour/article/view/1251">https://www.microcirc.ru/jour/article/view/1251</self-uri><abstract><p>Цель – установить возможность синергизма ТР-рецептора (рецептора к тромбоксану А2) и пуринергических Р2-рецепторов при ингибировании циклооксигеназы (ЦОГ), влияние возникающего ремоделирования путей сигнализации на параметры агрегатометрии у пациентов с нефролитиазом (НЛТ). Материалы и методы. Исследование носило проспективный характер и включало 30 пациентов с визуализационными признаками наличия конкрементов в мочевыводящих путях, у которых для анальгезии назначались высокие дозы неселективных нестероидных противовоспалительных препаратов (НПВП). Тяжесть гематурии оценивали на момент госпитализации и в течение 7 суток литокинетической терапии (ЛКТ). Анализ функциональной активности ТР-рецепторов, пуриновых Р2Х1и Р2Y-рецепторов тромбоцитов (Тц) проводили турбидиметрическим методом на анализаторе ChronoLog (США). Агонисты (АТФ, АДФ и арахидоновую кислоту) использовали в концентрации ЕС50 и ЕС10. Статистический анализ осуществлялся с использованием программного пакета MedCalc. Результаты. Выявлены две волны снижения активности ЦОГ через 24 и 72 ч после начала введения НПВП. На 5-е сутки ЛКТ включалась компенсаторная реакция Тц, которая воспроизводилась при восстановлении нормореактивности ТР-рецептора. При стимуляции Р2Х1-рецептора усиливалась эффективность функционирования путей сигнализации, связанных как с Р2Y-рецепторами, так и ТР-рецептором. Синергизм пуриновых Р2Х1и Р2Y-рецепторов оказывал более выраженный индуцирующий эффект на параметры агрегации, по сравнению с синергизмом Р2Y-рецепторов и ТР-рецептора или ТР-рецептора и Р2Х1-рецептора. На 7-е сутки достигался остаточный уровень активности ЦОГ и регистрировалась гипореактивность ТР-рецептора; сохранившийся уровень синтеза ТхА2 не обеспечивал ограничение гематурии. Заключение. При ингибировании ЦОГ потенцирование проагрегантной активности Тц воспроизводится путем взаимодействия пуриновых Р2-рецепторов и ТР-рецептора вследствие увеличения скорости внутриклеточной сигнализации (Slope) и количества формирующихся агрегатов (AUC).</p></abstract><trans-abstract xml:lang="en"><p>Aim of the study was to establish the possibility of synergism between the TP receptor for TxA2 and purinergic P2 receptors during COX inhibition, and the effect of the resulting remodeling of signaling pathways on aggregometry parameters in patients with nephrolithiasis (NLT). Materials and Methods. The study was prospective and included 30 patients with imaging evidence of urinary tract calculi who were treated with high doses of non-selective NSAIDs for analgesia. The severity of hematuria was assessed at the time of hospitalization and during 7 days of lithokinetic therapy (LKT). Analysis of functional activity of TR-receptors, purine P2X1and P2Yreceptors of platelets (Tc) was performed by turbidimetric method on ChronoLog analyzer (USA). Agonists (ATP, ADP and Arachidonic acid) were used at concentrations of EC50 and EC10. Statistical analysis was performed using MedCalc package. Results. Two waves of COX activity decrease were revealed 24h and 72h after the beginning of NSAID administration. On the 5th day of LKT, the compensatory reaction of Tc was switched on, which was reproduced at restoration of normoreactivity of TR-receptor. Purine P2X1 – and P2Y-receptor synergism had a more pronounced inducing effect on aggregation parameters compared with the interaction between P2Y-receptor and TR-receptor or TR-receptor and P2X -receptor. On the 7th day, the residual level of COX activity was reached and hyporeactivity of TR-receptor was registered; at the same time the preserved level of TxA2 synthesis did not provide limitation of hematuria. Conclusion. Upon COX inhibition, potentiation of Tc proaggregant activity is reproduced by purine P2-receptor and TR-receptor interaction due to an increase in the rate of intracellular signalling (Slope) and the number of aggregates formed (AUC).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>нефролитиаз</kwd><kwd>НПВП</kwd><kwd>тромбоциты</kwd><kwd>ТхА2</kwd><kwd>пуриновые Р2-рецепторы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nephrolithiasis</kwd><kwd>NSAIDs</kwd><kwd>platelets</kwd><kwd>TxA2</kwd><kwd>purine P2 receptors</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">Dominguez JH, Xie D, Kelly KJ. Impaired microvascular circulation in distant organs following renal ischemia. PLoS One. 2023;18(6):e0286543. Doi: 10.1371/journal.pone.0286543.</mixed-citation><mixed-citation xml:lang="en">Dominguez JH, Xie D, Kelly KJ. 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