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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">Consilium Medicum</journal-id><journal-title-group><journal-title xml:lang="en">Consilium Medicum</journal-title><trans-title-group xml:lang="ru"><trans-title>Consilium Medicum</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title>Consilium Medicum</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2075-1753</issn><issn publication-format="electronic">2542-2170</issn><publisher><publisher-name xml:lang="en">Consilium Medicum</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">94619</article-id><article-id pub-id-type="doi">10.26442/2075-1753_19.8.2.7-12</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">Pathogenetic features of contamination of the esophagus mucosa in gastroesophageal reflux disease</article-title><trans-title-group xml:lang="ru"><trans-title>Патогенетические особенности повреждения слизистой оболочки пищевода при гастроэзофагеальной рефлюксной болезни</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tarasova</surname><given-names>G. N</given-names></name><name xml:lang="ru"><surname>Тарасова</surname><given-names>Галина Николаевна</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р мед. наук, проф.</p></bio><email>doctor-gastro@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Smirnova</surname><given-names>E. A</given-names></name><name xml:lang="ru"><surname>Смирнова</surname><given-names>Елизавета Александровна</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант каф. пропедевтики внутренних болезней</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Rostov State Medical University of the Ministry of Health of the Russian Federation</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Ростовский государственный медицинский университет» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2017-08-19" publication-format="electronic"><day>19</day><month>08</month><year>2017</year></pub-date><volume>19</volume><issue>8-2</issue><issue-title xml:lang="en">NO8-2 (2017)</issue-title><issue-title xml:lang="ru">Том 19, №8-2 (2017)</issue-title><fpage>7</fpage><lpage>12</lpage><history><date date-type="received" iso-8601-date="2021-12-28"><day>28</day><month>12</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2017, Consilium Medicum</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2017, ООО "Консилиум Медикум"</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="en">Consilium Medicum</copyright-holder><copyright-holder xml:lang="ru">ООО "Консилиум Медикум"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://consilium.orscience.ru/2075-1753/article/view/94619">https://consilium.orscience.ru/2075-1753/article/view/94619</self-uri><abstract xml:lang="en"><p>Objective - to study the proteome pattern and the expression of E-cadherin in the esophageal mucosa, depending on the composition of pathological gastroesophageal refluxate in patients with gastroesophageal reflux disease (GERD). Materials and methods. This parallel group prospective study included patients with GERD - 39 patients with acidic and slightly acidic nature of reflux and 25 - with alkaline and slightly alkaline reflux. The diagnosis of GERD is verified in accordance with the standard survey protocol. Proteomic and immunohistochemical studies of biopsy from the distal esophagus were conducted. Mass spectra were obtained using a tandem MALDI-TOF/TOF Ultraflex II (Bruker Daltonics, Germany) mass spectrometer. Identification of proteins and peptides was carried out by searching for relevant candidates in the NCBI (National Center for Biotechnology Information) and Swiss-Prot/UniProt databases. Immunohistochemical study of biopsies was carried out by labeled streptavidin-biotin method using monoclonal mouse antibodies to E-cadherin (Dako, the USA). For statistical data analysis, the Statistis 10.0 for Windows (StatSoft, the USA) program package was used. Results. Nine proteins responsible for the formation of the cytoskeleton and the proliferation of epithelial cells are identified and typed in patients with GERD. These proteins are involved in complicated cascades of inflammatory processes in the esophageal mucosa. In the group of patients with acidic character of refluxate were differentially expressed vinculin, calponin-1, cystatin C; with alkaline character - protein-1, which is stimulated by hypoxia, prihibitin-2, thioredoxin. The tendency to decrease of E-cadherin expression in patients with alkaline character of refluxate was revealed. Conclusion. Differences in the protein profile and E-cadherin expression pathogenetically substantiate the content of GERD therapy, especially taking into account the damaging nature of pathological character of refluxate.</p></abstract><trans-abstract xml:lang="ru"><p>Цель - изучить протеомный паттерн и экспрессию Е-кадгерина в слизистой оболочке пищевода в зависимости от состава патологического гастроэзофагеального рефлюктата у больных с гастроэзофагеальной рефлюксной болезнью (ГЭРБ). Материалы и методы. В проспективное исследование в параллельных группах включены больные с ГЭРБ - 39 пациентов с кислым и слабокислым характером рефлюктата и 25 - с щелочным и слабощелочным рефлюксом. Диагноз ГЭРБ верифицирован в соответствии со стандартным протоколом обследования. Проводилось протеомное и иммуногистохимическое исследование эзофагобиоптатов из дистальной части пищевода. Масс-спектры получали с помощью тандемного MALDI-TOF/TOF масс-спектрометра Ultraflex II (Bruker Daltonics, Германия). Идентификацию белков и пептидов проводили путем поиска соответствующих кандидатов в базах данных NCBI (National Center for Biotechnology Information) и Swiss-Prot/UniProt. иммуногистохимическое исследование эзофагобиоптатов осуществлялось стрептавидин-биотиновым методом с использованием моноклональных мышиных антител к Е-кадгерину (Dako, США). Для статистического анализа данных использовался пакет модулей программы Statistiсa 10.0 for Windows (StatSoft, США). Результаты. У больных с ГЭРБ выделены и типированы девять протеинов, ответственных за формирование цитоскелета и пролиферацию эпителиоцитов, а также участвующих в сложных каскадах воспалительных процессов в слизистой оболочке пищевода. В группе пациентов с кислым характером рефлюктата дифференциально экспрессировались винкулин, кальпонин-1, цистатин C; с щелочным - белок-1, стимулируемый гипоксией, прихибитин-2, тиоредоксин. Выявлена тенденция к снижению экспрессии Е-кадгерина у пациентов с щелочным характером рефлюктата. Заключение. Отличия в белковом профиле и экспрессии E-кадгерина патогенетически обосновывают содержание терапии ГЭРБ с учетом повреждающего характера патологического рефлюктата.</p></trans-abstract><kwd-group xml:lang="en"><kwd>gastroesophageal reflux disease</kwd><kwd>proteomic analysis</kwd><kwd>proteins of intercellular contacts</kwd><kwd>E-cadherin</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>гастроэзофагеальная рефлюксная болезнь</kwd><kwd>протеомный анализ</kwd><kwd>белки межклеточных контактов</kwd><kwd>Е-кадгерин</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Ивашкин, В.Т., Маев И.В., Трухманов А.С. и др. Клинические рекомендации Российской гастроэнтерологической ассоциации по диагностике и лечению гастроэзофагеальной рефлюксной болезни. 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