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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">helmholtzeyeinstitute</journal-id><journal-title-group><journal-title xml:lang="ru">Российский офтальмологический журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Ophthalmological Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-0076</issn><issn pub-type="epub">2587-5760</issn><publisher><publisher-name>Real time Publishers</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21516/2072-0076-2026-19-2-164-169</article-id><article-id custom-type="elpub" pub-id-type="custom">helmholtzeyeinstitute-2154</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>ЭКСПЕРИМЕНТАЛЬНО-ЛАБОРАТОРНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>EXPERIMENTAL AND LABORATORY STUDIES</subject></subj-group></article-categories><title-group><article-title>Пигментный эпителиальный дериватный фактор как возможный предиктор реакции отторжения трансплантата роговицы</article-title><trans-title-group xml:lang="en"><trans-title>Pigment Epithelium-Derived Factor as a possible predictor of corneal transplant rejection reaction</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>Быстров</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Bystrov</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Быстров Алексей Михайлович — врач офтальмологического отделения № 1, ГБУЗ «Челябинская ОКБ»; старший лаборант кафедры медицинской реабилитации и спортивной медицины, ФГБОУ ВО «ЮУГМУ» Минздрава России.</p><p>ул. Воровского, д. 70, Челябинск, 454048; ул. Воровского, д. 64, Челябинск, 454141</p></bio><bio xml:lang="en"><p>Aleksey M. Bystrov — researcher of the ophthalmology department, The Chelyabinsk Regional Clinical Hospital; laboratory assistant at the department of medical rehabilitation and sports medicine, South-Ural State Medical University.</p><p>70, Vorovskogo St., Chelyabinsk, 454048; 64, Vorovskogo St., Chelyabinsk, 454141</p></bio><email xlink:type="simple">highvision@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>Кузнецов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetzov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кузнецов Андрей Александрович — канд. мед. наук, заведующий офтальмологическим центром.</p><p>ул. Воровского, д. 70, Челябинск, 454048</p></bio><bio xml:lang="en"><p>Andrey A. Kuznetzov — Cand. of Med. Sci., head of the ophthalmology center.</p><p>70, Vorovskogo St., Chelyabinsk, 454048</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Давыдова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Davydova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Давыдова Евгения Валерьевна — д-р мед. наук, доцент, заведующая отделением ранней медицинской реабилитации, ГБУЗ «Челябинская ОКБ»; профессор кафедры медицинской реабилитации и спортивной медицины, ФГБОУ ВО «ЮУГМУ» Минздрава России.</p><p>ул. Воровского, д. 70, Челябинск, 454048; ул. Воровского, д. 64, Челябинск, 454141</p></bio><bio xml:lang="en"><p>Evgeniya V. Davydova — Dr. of Med. Sci., associate professor, head of the department of early medical rehabilitation, The Chelyabinsk Regional Clinical Hospital; professor of the department of medical rehabilitation and sports medicine, South-Ural State Medical University.</p><p>70, Vorovskogo St., Chelyabinsk, 454048; 64, Vorovskogo St., Chelyabinsk, 454141</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>Гаврилова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gavrilova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гаврилова Татьяна Валерьевна — д-р мед. наук, профессор, член-корреспондент РАН, заведующая кафедрой офтальмологии.</p><p>ул. Петропавловская, д. 26, Пермь, 614990</p></bio><bio xml:lang="en"><p>Tatyana V. Gavrilova — Dr. of Med. Sci., professor, corresponding member of the Russian Academy of Sciences, head of the department of ophthalmology.</p><p>26, Petropavlovskaya St., Perm, 614990</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ГБУЗ «Челябинская областная клиническая больница»; ФГБОУ ВО «Южно-Уральский государственный медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>The Chelyabinsk Regional Clinical Hospital; South-Ural State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ГБУЗ «Челябинская областная клиническая больница»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>The Chelyabinsk Regional Clinical Hospital</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГБОУ ВО «Пермский государственный медицинский университет им. академика Е.А. Вагнера» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Perm State Medical University named after Academician E.A. Wagner</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>18</day><month>07</month><year>2026</year></pub-date><volume>19</volume><issue>2</issue><fpage>164</fpage><lpage>169</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Быстров А.М., Кузнецов А.А., Давыдова Е.В., Гаврилова Т.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Быстров А.М., Кузнецов А.А., Давыдова Е.В., Гаврилова Т.В.</copyright-holder><copyright-holder xml:lang="en">Bystrov A.M., Kuznetzov A.A., Davydova E.V., Gavrilova T.V.</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://roj.igb.ru/jour/article/view/2154">https://roj.igb.ru/jour/article/view/2154</self-uri><abstract><p>Кератопластика остается одним из самых эффективных методов восстановления зрения при заболеваниях и травмах глаза, приводящих к помутнению роговицы. Несмотря на успехи современной хирургии, реакция отторжения трансплантата роговицы является наиболее частой причиной неудачных операций. Пигментный эпителиальный дериватный фактор (PEDF) известен своими антиангиогенными и противовоспалительными свойствами, которые играют важную роль в поддержании иммунной привилегии глаза и делают его одним из значимых регуляторов интраокулярной среды. Целью работы явилось изучение концентрации PEDF в слезной жидкости (СЖ) в динамике после проведения сквозной кератопластики и оценка его роли в реализации реакции отторжения трансплантата роговицы. Материал и методы. В исследовании приняли участие 48 пациентов в возрасте 35–60 лет (в среднем 48,1 ± 5,4 года), в том числе 30 мужчин и 18 женщин. Подгруппу 1 (n = 35) составили пациенты, у которых в наблюдаемый период не зафиксирована реакция отторжения трансплантата роговицы, подгруппу 2 (n = 13) — пациенты, у которых в течение года после операции был эпизод реакции отторжения. В контрольную группу вошли 15 здоровых лиц без офтальмологической патологии. Уровень PEDF (нг/мл) в СЖ в течение послеоперационного периода определяли при помощи мультиплексного анализа на иммуноанализаторе Luminex Magpix 100 (США) с использованием тест-системы для мультиплексного анализа Bio-Rad (США). Состояние трансплантата оценивали с помощью биомикроскопии и оптической когерентной томографии с ангиографией переднего отрезка. Результаты. В течение года после операции выявлено значимое увеличение объема васкуляризации с максимальным нарастанием показателя на 360-е сутки в подгруппе 2. Концентрация PEDF в подгруппе 1 увеличилась до референсных значений на 120-е сутки с сохранением данного уровня к концу исследования. Напротив, в подгруппе 2 уровень PEDF до конца периода наблюдения оставался сниженным и значимо отличался от показателя контрольной группы, что, наряду с увеличением объема васкуляризации и прогрессивным снижением максимальной корригированной остроты зрения, может свидетельствовать о нарушении контроля над процессами неоваскуляризации и способствовать отторжению трансплантата. Заключение. Полученные данные свидетельствуют о том, что снижение PEDF, играющего важнейшую роль в сдерживании процессов неоангиогенеза роговицы, можно расценивать как предиктор развития реакции отторжения трансплантата.</p></abstract><trans-abstract xml:lang="en"><p>Keratoplasty remains one of the most effective methods of restoring vision in diseases and injuries of the eye that lead to the cornea opacity. Despite the success of modern surgery, corneal transplant rejection is the most common cause of unsuccessful operations. Pigmented epithelial derivative factor (PEDF) is known for its antiangiogenic and anti-inflammatory properties, which play an important role in maintaining the immune privilege of the eye and make it one of the important regulators of the intraocular environment. Purpose of the work was to study the concentration of PEDF in the tear fluid (TF) after penetrating keratoplasty and to evaluate its role in the development of the corneal transplant rejection reaction. Material and methods. 48 patients aged 35 to 60 years (average age of 48.1 ± 5.4) including 30 men and 18 women participated in the study. Subgroup 1 (n = 35) consisted of patients who had no episodes of corneal transplant rejection during the observed period, subgroup 2 (n = 13) consisted of patients who demonstrated an episode of rejection reaction during one year after surgery. The control group included 15 healthy individuals without ophthalmological pathology. The level of PEDF (ng/ml) in the TF was determined during postoperative period using multiplex analysis on a Luminex Magpix 100 immunoanalyzer (USA) by the Bio-Rad multiplex analysis test system (USA). The graft condition was assessed using biomicroscopy and optical coherence tomography with angiography of the anterior segment. Results. In postoperative period a significant increase in the volume of vascularization with a maximum increase on day 360 in subgroup 2 was revealed. The concentration of PEDF in subgroup 1 increased to reference values on day 120, while maintaining this level at the end of the study. On the contrary, in subgroup 2, the PEDF level remained reduced until the end of the follow-up period and significantly differed from the indicator of the control group, which, along with an increase in the volume of vascularization and a progressive decrease in maximally corrected visual acuity, may indicate a violation of control over the processes of neovascularization and contribute to graft rejection. Conclusion. Given the crucial role of PEDF in curbing corneal neoangiogenesis, its decrease can be considered as a predictor of the development of a graft rejection reaction, as evidenced by the data we have obtained.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>кератопластика</kwd><kwd>роговица</kwd><kwd>пигментный эпителиальный дериватный фактор</kwd><kwd>слезная жидкость</kwd><kwd>отторжение</kwd><kwd>неоваскуляризация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>keratoplasty</kwd><kwd>cornea</kwd><kwd>pigment epithelial derivative factor</kwd><kwd>tear fluid</kwd><kwd>rejection</kwd><kwd>neovascularization</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">Быстров А.М., Кузнецов А.А. Динамика показателей VEGF и TGF-β в слезной жидкости как предиктор реакции отторжения трансплантата роговицы. 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