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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">bioph</journal-id><journal-title-group><journal-title xml:lang="ru">Biomedical Photonics</journal-title><trans-title-group xml:lang="en"><trans-title>Biomedical Photonics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2413-9432</issn><publisher><publisher-name>Non-profit partnership for development of domestic photodynamic therapy and photodiagnosis</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24931/2413-9432-2020-9-2-45-54</article-id><article-id custom-type="elpub" pub-id-type="custom">bioph-427</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>КЛИНИЧЕСКИЕ НАБЛЮДЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CASE-REPORTS</subject></subj-group></article-categories><title-group><article-title>Лечебный патоморфоз в тканях злокачественной глиомы после фотодинамической терапии с хлорином е6 (сообщение о двух клинических случаях)</article-title><trans-title-group xml:lang="en"><trans-title>Therapeutic pathomorphosis in malignant glioma tissues after photodynamic therapy with сhlorin e6 (reports of two clinical cases)</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>Рында</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Rynda</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint-Petersburg</p></bio><email xlink:type="simple">artemii.rynda@mail.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>Ростовцев</surname><given-names>Д. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Rostovtsev</surname><given-names>D. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint-Petersburg</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>Олюшин</surname><given-names>В. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Olyushin</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint-Petersburg</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>Забродская</surname><given-names>Ю. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Zabrodskaya</surname><given-names>Yu. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint-Petersburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский нейрохирургический институт имени профессора А.Л. Поленова - филиал ФГБУ «Национальный медицинский исследовательский центр имени В.А. Алмазова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Neurosurgical Institute named after Professor A.L. Polenov - a branch of «The National Medical Research Center named after V.A. Almazov»</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>24</day><month>07</month><year>2020</year></pub-date><volume>9</volume><issue>2</issue><fpage>45</fpage><lpage>54</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Рында А.Ю., Ростовцев Д.М., Олюшин В.Е., Забродская Ю.М., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Рында А.Ю., Ростовцев Д.М., Олюшин В.Е., Забродская Ю.М.</copyright-holder><copyright-holder xml:lang="en">Rynda A.Y., Rostovtsev D.M., Olyushin V.E., Zabrodskaya Y.M.</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://www.pdt-journal.com/jour/article/view/427">https://www.pdt-journal.com/jour/article/view/427</self-uri><abstract><p>Фотодинамическая терапия (ФДТ) в последние годы все более внедряется в хирургическую практику лечения злокачественных новообразований. В данной публикации авторами показано появление лечебного патоморфоза in vivo в клетках злокачественной глиомы человека после интраоперационной ФДТ. В образцах тканей, полученных через 10–14 дней после ФДТ, выявлены ядерные и цитоплазматические признаки, указывающие на апоптоз, некроз и аутофагию. Обнаружено снижение пролиферативной активности глиальных опухолевых клеток, увеличение числа случаев их гибели. По данным иммуногистохимии отмечено уменьшение экспрессии маркера клеточной пролиферации Ki-67 и снижение содержания белка транскрипционного фактора p53.</p></abstract><trans-abstract xml:lang="en"><p>In recent years, photodynamic therapy (PDT) has been increasingly introduced into the surgical practice of treating malignant neoplasms. In this publication, the authors show the appearance of therapeutic pathomorphosis in vivo in human malignant glioma cells after intraoperative photodynamic therapy. Tissue samples obtained 10–14 days after PDT revealed nuclear and cytoplasmic signs indicating apoptosis, necrosis, and autophagy. A decrease in the proliferative activity of glial tumor cells and their higher death count were detected.. Immunohistochemical analysis shows decreases expression of Ki-67 cell proliferation marker and decreased amount of transcription factor protein p53.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>фотодинамическая терапия</kwd><kwd>злокачественные глиомы</kwd><kwd>хлорин e6</kwd><kwd>лечебный патоморфоз</kwd><kwd>головной мозг</kwd></kwd-group><kwd-group xml:lang="en"><kwd>photodynamic therapy</kwd><kwd>malignant gliomas</kwd><kwd>chlorin e6</kwd><kwd>therapeutic pathomorphosis</kwd><kwd>brain</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">Perria C., Capuzzo T., Cavagnaro G. et al. 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