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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">Ekologiya cheloveka (Human Ecology)</journal-id><journal-title-group><journal-title xml:lang="en">Ekologiya cheloveka (Human Ecology)</journal-title><trans-title-group xml:lang="ru"><trans-title>Экология человека</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1728-0869</issn><issn publication-format="electronic">2949-1444</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">17308</article-id><article-id pub-id-type="doi">10.17816/humeco17308</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">GALLBLADDER’S SMOOTH MUSCLE TRANSFORMATION DURING DEVELOPMENT OF ACUTE ACALCULOSE CHOLECYSTITIS</article-title><trans-title-group xml:lang="ru"><trans-title>Реактивная трансформация гладкой мышечной ткани желчного пузыря в динамике развития некалькулезного холецистита</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zashikhin</surname><given-names>A L</given-names></name><name xml:lang="ru"><surname>Зашихин</surname><given-names>Андрей Леонидович</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, профессор, зав. кафедрой гистологии, цитологии и эмбриологии</p></bio><email>profALZ@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Lubeznova</surname><given-names>A Yu</given-names></name><name xml:lang="ru"><surname>Любезнова</surname><given-names>А Ю</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Northern State Medical University</institution></aff><aff><institution xml:lang="ru">Северный государственный медицинский университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2013-09-15" publication-format="electronic"><day>15</day><month>09</month><year>2013</year></pub-date><volume>20</volume><issue>9</issue><issue-title xml:lang="en">NO9 (2013)</issue-title><issue-title xml:lang="ru">№9 (2013)</issue-title><fpage>21</fpage><lpage>23</lpage><history><date date-type="received" iso-8601-date="2019-10-23"><day>23</day><month>10</month><year>2019</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2013, Ekologiya cheloveka (Human Ecology)</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2013, Экология человека</copyright-statement><copyright-year>2013</copyright-year><copyright-holder xml:lang="en">Ekologiya cheloveka (Human Ecology)</copyright-holder><copyright-holder xml:lang="ru">Экология человека</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://hum-ecol.ru/1728-0869/article/view/17308">https://hum-ecol.ru/1728-0869/article/view/17308</self-uri><abstract xml:lang="en"><p>We have investigated reactivity of the smooth muscular tissue (SMT) of guinea pigs’ gall bladders in dynamics of acute cholecystitis development. Complex morphological, histochemical and immunohistochemical analyses have been carried out. During the disease development, the study has shown increased inflammatory phenomena of the mucosa in all parts of the gall bladders and a successive increase of the collagenic and elastic components of the intercellular matrix. The immunohistochemical analysis has shown that positive reaction of the smooth muscle cells to collagen type 1 was identified on the 15th day of the experiment. Thus, experimental dysfunction of the gall bladders caused reactive transformation of the SMT in which there was observed suppression of protein markers and activation of collagen synthesis.</p></abstract><trans-abstract xml:lang="ru"><p>C использованием комплекса общеморфологических, гистохимических и иммуноцитохимических методов изучали реактивные изменения гладкой мышечной ткани желчного пузыря морских свинок в динамике развития острого некалькулезного холецистита. Исследование выявило в процессе развития данного заболевания воспалительные явления слизистой оболочки органа и последовательное нарастание коллагенового и эластического компонента межклеточного матрикса. Иммуногистохимический анализ показал, что при воспалительном процессе существенная роль в развитии коллагенового каркаса может принадлежать гладким мышечным клеткам, у которых наблюдается снижение экспрессии десмина и активация синтеза коллагена.</p></trans-abstract><kwd-group xml:lang="en"><kwd>cholecystitis</kwd><kwd>collagenic and elastic components</kwd><kwd>immunohistochemical analysis</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>некалькулезный холецистит</kwd><kwd>коллагеновый и эластический компоненты</kwd><kwd>иммуногистохимический анализ</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Bogar L. J., Bartula L. L., Parkman H. P., Myers S. I. 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