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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">anatomy</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал анатомии и гистопатологии</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of Anatomy and Histopathology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2225-7357</issn><publisher><publisher-name>N.N. Burdenko Voronezh State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18499/2225-7357-2019-8-1-44-48</article-id><article-id custom-type="elpub" pub-id-type="custom">anatomy-815</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 ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL PAPERS</subject></subj-group></article-categories><title-group><article-title>Морфологическая и иммуногистохимическая характеристика процессов заживления экспериментальных переломов нижней челюсти</article-title><trans-title-group xml:lang="en"><trans-title>Morphological and Immunohistochemical Characteristics of Experimental Mandibular Fractures Healing Process</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>Матчин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Matchin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Матчин Александр АртемьевичКафедра стоматологии и челюстно-лицевой хирургии,</p><p> ул. Советская, 6, г. Оренбург, 460000</p></bio><bio xml:lang="en"><p>Aleksandr Matchin</p><p>ul. Sovetskaya, 6, Orenburg, 460000 </p></bio><email xlink:type="simple">almatchin@bk.ru</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>Стадников</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Stadnikov</surname><given-names>A. A.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Носов</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nosov</surname><given-names>E. V.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кириакиди</surname><given-names>С. Х.</given-names></name><name name-style="western" xml:lang="en"><surname>Kiriakidi</surname><given-names>S. Kh.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Оренбургский государственный медицинский университет» Минздрава России, г. Оренбург</institution></aff><aff xml:lang="en"><institution>Orenburg State Medical University, Orenburg</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>05</day><month>04</month><year>2019</year></pub-date><volume>8</volume><issue>1</issue><fpage>44</fpage><lpage>48</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Матчин А.А., Стадников А.А., Носов Е.В., Кириакиди С.Х., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Матчин А.А., Стадников А.А., Носов Е.В., Кириакиди С.Х.</copyright-holder><copyright-holder xml:lang="en">Matchin A.A., Stadnikov A.A., Nosov E.V., Kiriakidi S.K.</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://anatomy.elpub.ru/jour/article/view/815">https://anatomy.elpub.ru/jour/article/view/815</self-uri><abstract><p>Цель исследования – экспериментально-гистологическая оценка влияния местного применения окситоцина на заживление переломов нижней челюсти.</p><sec><title>Материал и методы</title><p>Материал и методы. Материалом экспериментально-морфологического исследования служила нижняя челюсть в зоне перелома, скрепленного методом костного шва у 24 крыс-самцов линии Вистар массой 220–250 г. Препараты подвергались однотипной гистологической обработке на светооптическом уровне. Исследовали реакции с моноклональными антителами для идентификации экспрессии синтеза протеинов Кi67 , р56, bcl 2, caspasa 3.</p></sec><sec><title>Результаты</title><p>Результаты. Установлено, что динамика костно-раневого процесса при переломах нижней челюсти и оперативном закреплении отломков костным швом характеризуется фазностью. Светооптические и иммуноцитохимические исследования показали восстановление целостности поврежденной нижней челюсти после закрепления отломков костным швом посредством пролиферации клеток камбиального слоянадкостницы и малодифференцированных мезенхимальных стромальных костномозговых клеток. Полученные данные свидетельствуют об оптимизирующем воздействии на репаративный остеогенез включения в комплекс лечебных мероприятий окситоцина. При этом происходит коррекция элементарных репаративных процессов гистогенеза на уровне экспрессии про- и антиапоптотических генов клеток костной ткани (понижение апоптозной доминанты остеобластов по показателям экспрессии синтеза протеина р53, подавление ферментного каскада, реализация программированной гибели этих клеток по показателю экспрессии белка caspasa 3). Одновременно в регенерате возрастала активность антиапоптотического гена bcl-2 и гена Ki-67 у остеобластов и эндотелиоцитов, определяющих пролиферативный компонент репаративного остеогенеза.</p></sec></abstract><trans-abstract xml:lang="en"><p>The aim of the study is histological assessment of the effect of oxytocin local application on mandibular fractures healing.</p><sec><title>Material and methods</title><p>Material and methods. The investigated material was the lower jaw in the fracture zone, fastened by the bone suture method, of 24 Wistar male rats 220–250 g by mass. The preparations were subjected to the same histological processing and studied in light microscope. Reactions with monoclonal antibodies were performed to identify the expression of Ki67, p56, bcl 2, caspasa 3 proteins.</p></sec><sec><title>Results</title><p>Results. It was established that the dynamics of the bone-wound process in mandibular fractures and the operative fastening of fragments by bone suture is characterized by phase. Light-optical and immunocytochemical studies showed the restoration of the integrity of the damaged mandible after the fragments were fixed with bone suture through the proliferation of the cambial layer cells of the periosteum and low-differentiated mesenchymal stromal bone marrow cells. The data obtained indicate that the use of oxytocyte had an optimizing effect on reparative osteogenesis. When this occurs, the correction of elementary reparative processes of histogenesis at the level of expression of pro- and anti-apoptotic genes of bone tissue cells (decrease in the apoptotic dominant of osteoblasts in terms of p53 expression, inhibition of the enzyme cascade, implementation of programmed cells death in terms of caspasa 3) takes place. At the same time, the activity of the anti-apoptotic bcl-2 gene and the Ki- 67 gene increased in osteoblasts and endothelial cells, which determines the proliferative component of reparative osteogenesis, increased in the regenerate.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>репаративный остеогенез</kwd><kwd>окситоцин</kwd><kwd>перелом нижней челюсти</kwd></kwd-group><kwd-group xml:lang="en"><kwd>reparative osteogenesis</kwd><kwd>oxytocin</kwd><kwd>mandibular fracture</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">Гиоева З. В., Михалева Л. М., Рёкен К. Иммуногистохимическое типирование гастроинтестинального амилоидоза с использованием расширенного набора антител, направленных против AL-kappa амилоидоза. Журнал научных статей Здоровье и образование в XXI веке. 2017; 19(2): 84–9 [Gioeva ZV, Mikhaleva LM, Röcken C. 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