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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">zdor</journal-id><journal-title-group><journal-title xml:lang="ru">Проблемы здоровья и экологии</journal-title><trans-title-group xml:lang="en"><trans-title>Health and Ecology Issues</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-0967</issn><issn pub-type="epub">2708-6011</issn><publisher><publisher-name>Gomel State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.51523/2708-6011.2022-19-2-11</article-id><article-id custom-type="elpub" pub-id-type="custom">zdor-2282</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>ЭКСПЕРИМЕНТАЛЬНАЯ МЕДИЦИНА И БИОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>EXPERIMENTAL MEDICINE AND BIOLOGY</subject></subj-group></article-categories><title-group><article-title>Радиационно-индуцированная модель дистрофических изменений мышечно-сухожильного перехода у биологических моделей: пилотное исследование</article-title><trans-title-group xml:lang="en"><trans-title>A radiation-induced model of dystrophic changes in the myotendinous junction in biological models: a pilot study</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0808-183X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Юрковский</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Yurkovskiy</surname><given-names>А. М.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юрковский Алексей Михайлович, к.м.н., заведующий кафедрой лучевой диагностики, лучевой терапии с курсом ФПКиП</p><p>г. Гомель</p></bio><bio xml:lang="en"><p>Аlexei М. Yurkovskiy, PhD (Med), Head of the Department of Radiation Diagnostics, Radiation Therapy with the course of the Faculty of Professional Development and Retraining</p><p>Gomel</p></bio><email xlink:type="simple">yurkovsky@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1086-1675</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Назаренко</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nazarenko</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Назаренко Ирина Вячеславовна, к.м.н., доцент, доцент кафедры лучевой диагностики, лучевой терапии с курсом ФПКиП</p><p>г. Гомель</p></bio><bio xml:lang="en"><p>Irina V. Nazarenko, PhD (Med), Associate Professor, Associate Professor at the Department of Radiation Diagnostics, Radiation Therapy with the course of the Faculty of Professional Development and Retraining</p><p>Gomel</p></bio><email xlink:type="simple">irisha_n.91@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0977-5481</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ачинович</surname><given-names>С. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Achinovich</surname><given-names>S. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ачинович Сергей Леонидович, к.м.н., заведующий патологоанатомическим отделением</p><p>г. Гомель</p></bio><bio xml:lang="en"><p>Sergei L. Achinovich, PhD (Med), Head of the Pathoanatomical Department</p><p>Gomel</p></bio><email xlink:type="simple">ser.achinowitch2017@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5016-6664</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Веялкина</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Veyalkina</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Веялкина Наталия Николаевна, к.б.н., заведующий лабораторией экспериментальных биологических моделей</p><p>г. Гомель</p></bio><bio xml:lang="en"><p>Natalia N. Veyalkina, PhD (Biol), Head of the Laboratory of Experimental Biological Models</p><p>Gomel</p></bio><email xlink:type="simple">veyalkina@irb.basnet.by</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Гомельский государственный медицинский университет</institution></aff><aff xml:lang="en"><institution>Gomel State Medical University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Гомельский областной клинический онкологический диспансер</institution></aff><aff xml:lang="en"><institution>Gomel Regional Clinical Oncological Dispensary</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт радиобиологии НАН Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Radiobiology of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2022</year></pub-date><volume>19</volume><issue>2</issue><fpage>90</fpage><lpage>98</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Юрковский А.М., Назаренко И.В., Ачинович С.Л., Веялкина Н.Н., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Юрковский А.М., Назаренко И.В., Ачинович С.Л., Веялкина Н.Н.</copyright-holder><copyright-holder xml:lang="en">Yurkovskiy А.М., Nazarenko I.V., Achinovich S.L., Veyalkina N.N.</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://journal.gsmu.by/jour/article/view/2282">https://journal.gsmu.by/jour/article/view/2282</self-uri><abstract><p>Цель исследования. Оценить возможность применения рентгеновского излучения для моделирования дистрофических поражений мышечно-сухожильного перехода (МСП) у биологических моделей (крыс).Материалы и методы. Объектом исследования были модельные животные (6 крыс). Облучение животных проводилось в режиме 10 Гр и 20 Гр на установке облучения биологического назначения X-RAD 320 Precision X-ray Inc в дозах 10 Гр и 20 Гр. Морфологическое исследование задних конечностей крыс после воздействия ионизирующим излучением проводилось по стандартной схеме. Сонография осуществлялась на ультразвуковом сканере Mindrаy DС-80 (применялcя линейный датчик с рабочей частотой 16–18 МГц).Результаты. Выявлен параллелизм между гистологическими, иммуногистохимическими и сонографическими изменениями при радиационно-индуцированном поражении мышечно-сухожильного перехода (указанные изменения носят кратковременный характер в сухожильной части и длительный — в мышечной части, при этом выраженность изменений предопределяется поглощенной дозой, что дает возможность воспроизводить любые этапы патологического континуума).Заключение. Предложенная модель радиационно-индуцированного поражения мышечно-сухожильного перехода позволяет воспроизвести гистологический и сонографический паттерн, соответствующий подострой и хронической фазе указанного патологического процесса без травмирующего воздействия на мышцу и сухожилие.</p></abstract><trans-abstract xml:lang="en"><p>Objective. To evaluate the possibility of using X-ray radiation to model dystrophic lesions of the myotendinous junction in biological models (rats).Materials and methods. The objects of the study were model animals (6 rats). The animals were irradiated in the 10 Gy and 20 Gy modes using the biological irradiation unit X-RAD 320 Precision X-ray Inc in doses of 10 and 20 Gy. The morphological examination of the hind limbs of the rats after exposure to ionizing radiation was carried out according to the standard scheme. Sonography was performed on an expert class Mindrey DС-80 ultrasound scanner (a linear transducer with an operating frequency of 18-20 MHz was used).Results. А parallelism has been found between histological, immunohistochemical and sonographic changes in radiation-induced damage to the myotendinous junction (these changes are short-term in nature in the tendon part and long-term in the muscle part, while the severity of the changes is predetermined by the absorbed dose, which makes it possible to reproduce any stages of the pathological continuum).Conclusion. Тhe proposed model of radiation-induced damage to the myotendinous junction allows reproducing a histological and sonographic pattern corresponding to the subacute and chronic phase of the specified pathological process without traumatic effects on the muscle and tendon.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>биологическая модель</kwd><kwd>радиационно-обусловленные поражения мышечно-сухожильного перехода</kwd></kwd-group><kwd-group xml:lang="en"><kwd>biological model</kwd><kwd>radiation-induced damage to the myotendinous junction</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнялась в рамках Государственной программы научных исследований на 2021–2025 гг. «Природные ресурсы и окружающая среда», подпрограмма 3 «Радиация и биологические системы» в рамках «Разработать критерии оценки радиационно-индуцированных изменений ткани внутренней среды, основанной на анализе структуры и механических свойств клеточного компонента на моделях in vitro и in vivo»</funding-statement><funding-statement xml:lang="en">The work was carried out within the framework of the State Program of Scientific Research for 2021–2025 "Natural Resources and the Environment", subprogram 3 "Radiation and Biological Systems" within the framework of the task "To develop criteria for the evaluation of radiation-induced changes of the tissue of the internal medium based on the analysis of the structure and mechanical features of the cell component on models in vitro and in vivo".</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Bil A. 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