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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">ymj</journal-id><journal-title-group><journal-title xml:lang="ru">Якутский медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Yakut Medical Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1813-1905</issn><issn pub-type="epub">2312-1017</issn><publisher><publisher-name>ЯНЦ КМП</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">ymj-1483</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>ВОПРОСЫ ГЕОГРАФИЧЕСКОЙ ПАТОЛОГИИ И АДАПТАЦИИ: ЗЛОКАЧЕСТВЕННЫЕ НОВООБРАЗОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ISSUES OF GEOGRAPHICAL PATHOLOGY AND ADAPTATION: CANCERS</subject></subj-group></article-categories><title-group><article-title>Характеристика и роль α-SMA-позитивных панкреатических звездчатых клеток в десмопластической реакции стромы при протоковой аденокарциноме и тяжелом фиброзе поджелудочной железы при хроническом панкреатите</article-title><trans-title-group xml:lang="en"><trans-title>The characteristic and role of α-SMA-positive pancreatic stellate cells in desmoplastic reaction of stroma at pancreatic ductal adenocarcinoma and severe fibrosis at chronic pancreatitis</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Евсеев</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Evseev</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Евсеев Антон Владимирович – к.м.н., доцент, врач патологоанатом высшей квалификационной категории.</p></bio><email xlink:type="simple">evseevanton@ukr.net</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Туманский</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tumansky</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Туманский Валерий Алексеевич – д.м.н., проф., зав. кафедрой, проректор по научной работе, директор Института клинической патологии человека.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коваленко</surname><given-names>И. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovalenko</surname><given-names>I. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Коваленко Инна Сергеевна – к.м.н., ассистент кафедры.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Запорожский государственный медицинский университет</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>13</day><month>09</month><year>2025</year></pub-date><volume>0</volume><issue>2</issue><fpage>52</fpage><lpage>54</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Евсеев А.В., Туманский В.А., Коваленко И.С., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Евсеев А.В., Туманский В.А., Коваленко И.С.</copyright-holder><copyright-holder xml:lang="en">Evseev A.V., Tumansky V.A., Kovalenko I.S.</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://ymj.elpub.ru/jour/article/view/1483">https://ymj.elpub.ru/jour/article/view/1483</self-uri><abstract><p>С целью количественного определения панкреатических звездчатых клеток (ПЗК) в десмопластической строме протоковой аденокарциномы поджелудочной железы и очагах тяжелого фиброза при хроническом панкреатите методами гистохимии, молекулярной иммуногистохимии и цифровой фотоморфометрии изучены особенности гистотопографии фиброзного компонента, распределения α-SMA-иммунопозитивного материала, а также вычислены показатели относительной площади Массон-позитивных соединительнотканных волокон и экспрессии α-изоформы гладкомышечного актина. Установлено, что количественная экспрессия α-SMA в активированных ПЗК десмопластической стромы протокового рака достоверно превышает таковую в зонах тяжелого фиброза при хроническом панкреатите. Увеличение количества α-SMA-позитивных активированных ПЗК прямо коррелирует с увеличением Массон-позитивного соединительнотканного компонента стромы с наличием сильной связи между этими показателями в группе больных протоковым раком и средней силы связи в группе больных хроническим панкреатитом.</p></abstract><trans-abstract xml:lang="en"><p>The characteristics of histotopography of fibrous components and distributions of α-SMA-positive activated material are studied by methods of histochemistry molecular immunohistochemistry and digital photomorphometry with the purpose of quantitation of pancreatic stellate cells (PSC) in pancreatic ductal adenocarcinoma desmoplastic stroma and focuses with severe fibrosis (CP) in chronic pancreatitis. Indicators of relative area of Masson-positive connective fibrous components and expressions of α-isoform smooth muscle actin are calculated as well. It has been established that the α-SMA quantitative expression in activated PSC of stromal desmoplastic ductal adenocarcinoma is significantly higher than in focuses with severe fibrosis in chronic pancreatitis. Thus, the expansion in the number of α-SMA-positive activated PSC correlates directly with increasing Masson-positive connective stroma component due to the strong relation between these parameters and moderate association between these parameters in patients with chronic pancreatitis.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>поджелудочная железа</kwd><kwd>протоковая аденокарцинома</kwd><kwd>хронический панкреатит</kwd><kwd>панкреатические звездчатые клетки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>pancreas</kwd><kwd>ductal adenocarcinoma</kwd><kwd>chronic pancreatitis</kwd><kwd>pancreatic stellate cells</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">Туманский В.А. Тяжелый фиброз поджелудочной железы при хроническом панкреатите: основные патоморфологические составляющие, иммунофенотип фиброгенных клеток и коллагена / В.А. Туманский, И.С. 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