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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">pharmjournal</journal-id><journal-title-group><journal-title xml:lang="ru">Разработка и регистрация лекарственных средств</journal-title><trans-title-group xml:lang="en"><trans-title>Drug development &amp; registration</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2305-2066</issn><issn pub-type="epub">2658-5049</issn><publisher><publisher-name>LLC «CPHA»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33380/2305-2066-2022-11-3-195-201</article-id><article-id custom-type="elpub" pub-id-type="custom">pharmjournal-1301</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 И КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PRECLINICAL AND CLINICAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Изучение кишечной проницаемости на модели Caco-2 производного фенилтетрагидрохинолиндиона с TRPA₁-антагонистической активностью</article-title><trans-title-group xml:lang="en"><trans-title>Caco-2 Intestinal Permeability Study of Phenyltetrahydroquinolinedione Derivative – TRPA₁ Antagonist</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4901-4625</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пятигорская</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Pyatigorskaya</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>119991, г. Москва, ул. Трубецкая, д. 8, стр. 2</p></bio><bio xml:lang="en"><p>8/2, Trubetskaya str., Mosсow, 119991</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/0000-0001-6476-0138</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кравченко</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Kravchenko</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>119991, г. Москва, ул. Трубецкая, д. 8, стр. 2</p></bio><bio xml:lang="en"><p>8/2, Trubetskaya str., Mosсow, 119991</p></bio><email xlink:type="simple">aleksej_kravchenko97@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГАОУ ВО Первый МГМУ им. И. М. Сеченова Минздрава России (Сеченовский университет)</institution></aff><aff xml:lang="en"><institution>I. M. Sechenov First MSMU of the Ministry of Health of the Russian Federation (Sechenov University)</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>31</day><month>08</month><year>2022</year></pub-date><volume>11</volume><issue>3</issue><fpage>195</fpage><lpage>201</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пятигорская Н.В., Кравченко А.Д., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Пятигорская Н.В., Кравченко А.Д.</copyright-holder><copyright-holder xml:lang="en">Pyatigorskaya N.V., Kravchenko A.D.</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.pharmjournal.ru/jour/article/view/1301">https://www.pharmjournal.ru/jour/article/view/1301</self-uri><abstract><sec><title>Введение</title><p>Введение. Данная работа посвящена изучению кишечной проницаемости инновационного биологически активного вещества – 7-(2-хлорфенил)-4-(4-метил-1,3-тиазол-5-ил)-4,6,7,8-тетрагидрохинолин-2,5(1H,3H)-диона с TRPA1-антагонистической активностью. Данное производное фенилтетрагидрохинолиндиона может стать перспективным анальгетическим и противовоспалительным средством, для разработки лекарственной формы которого необходимо обладать информацией о механизмах и степени его абсорбции в желудочно-кишечном тракте.</p></sec><sec><title>Цель</title><p>Цель. Целью данного исследования являлось изучение кишечной проницаемости производного фенилтетрагидрохинолиндиона на культуре клеток Сасо-2 и сопоставление полученных результатов с рассчитанными значениями коэффициентов распределения октанол/вода.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Исследование проницаемости проводилось со стороны апикальной мембраны к базолатеральной (А-В) и в обратном направлении (В-А). В качестве контрольных соединений выступали: ранитидин (низкая проницаемость), пропранолол (высокая проницаемость) и родамин 123 (субстрат Pgp-транспортера). Определение концентрации исследуемого соединения проводили c помощью УЭЖХ-МС/МС системы, состоящей из жидкостного хроматографа и тандемного масс-спектрометра с тройным квадруполем и электрораспылительным ионным источником. Расчет logP проводился с помощью следующих ресурсов: ChemDraw Professional 16.0, Molinspiration, ALOGPS 2.1.</p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. Для исследуемого и контрольных соединений были получены значения коэффициента кажущейся проницаемости (Papp) и коэффициента эффлюкса, на основании которых были сделаны следующие выводы: исследуемое соединение обладает высокой кишечной проницаемостью как в прямом направлении от апикальной к базолатеральной мембране клеток, так и в обратном направлении (Papp больше 10 × 10-6 см/с); асимметрии транспорта, характерной для субстратов Pgp (P-гликопротеина) и других активных транспортеров, не наблюдается (коэффициент эффлюкса менее 2 единиц); зависимости проницаемости от концентрации исследуемого соединения не наблюдается. Рассчитанные экспериментальные значения Papp согласуются с полученными in silico значениями коэффициентов распределения октанол/вода, наилучшая корреляционная зависимость была установлена для milogP (Molinspiration) и ClogP (ChemDraw).</p></sec><sec><title>Заключение</title><p>Заключение. Таким образом, полученные in vitro и in silico данные говорят о пассивной диффузии – как об основном механизме всасывания производного фенилтетрагидрохинолиндиона в желудочно-кишечном тракте.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. This work is devoted to the intestinal permeability study of 7-(2-chlorophenyl)-4-(4-methyl-1,3-thiazol-5-yl)-4,6,7,8-tetrahydroquinoline-2,5(1H,3H)-dione – innovative biologically active substance with TRPA1 antagonist activity. The phenyltetrahydroquinolinedione derivative is a promising analgesic and anti-inflammatory drug. To develop a dosage form of this new substance, it is necessary to study the mechanism and degree of its absorption.</p></sec><sec><title>Aim</title><p>Aim. The aim of this work was to investigate the intestinal permeability of the phenyltetrahydroquinolinedione derivative using Caco-2 cell model and to compare experimental results with the in silico obtained values of the octanol/water partition coefficients.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The study of permeability was carried out from the apical membrane to the basolateral (A-B) and in the opposite direction (B-A). Ranitidine (low permeability), propranolol (high permeability) and rhodamine 123 (P-glycoprotein substrate) were used as control compounds. The concentration of the test compound was determined by UHPLC-MS/MS system consisting of a liquid chromatograph and a tandem mass spectrometer with a triple quadrupole and an electrospray ion source. The logP was calculated using the following resources: ChemDraw Professional 16.0, Molinspiration, ALOGPS 2.1.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. The values of the apparent permeability (Papp) and efflux ratios of the test and control compounds were obtained. According to the results of the study, the following conclusions were made: the test compound has high permeability both in the forward direction from the apical to the basolateral cell membrane, and in the opposite direction (Papp &gt; 10 × 10-6 cm/s). P-glycoprotein-mediated efflux activity was not observed (the efflux ratio was less than 2 units). The permeability did not depend on the test compound input concentration. The obtained experimental Papp values were correlated with the in silico obtained values of partition coefficients. The best correlation was obtained for milogP (Molinspiration) and ClogP (ChemDraw).</p></sec><sec><title>Conclusion</title><p>Conclusion. Thus, the in vitro and in silico obtained data indicate that passive diffusion is the main mechanism of absorption of the test compound in the gastrointestinal tract.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>кишечная проницаемость</kwd><kwd>Саcо-2</kwd><kwd>TRPA1</kwd></kwd-group><kwd-group xml:lang="en"><kwd>intestinal permeability</kwd><kwd>Сасо-2</kwd><kwd>TRPA₁</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">Xu Y., Shrestha N., Préat V., Beloqui A. An overview of in vitro, ex vivo and in vivo models for studying the transport of drugs across intestinal barriers. Advanced Drug Delivery Reviews. 2021;175:113795. 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