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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">farmaec</journal-id><journal-title-group><journal-title xml:lang="en">FARMAKOEKONOMIKA. Modern Pharmacoeconomics and Pharmacoepidemiology</journal-title><trans-title-group xml:lang="ru"><trans-title>ФАРМАКОЭКОНОМИКА. Современная фармакоэкономика и фармакоэпидемиология</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2070-4909</issn><issn pub-type="epub">2070-4933</issn><publisher><publisher-name>IRBIS LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17749/2070-4909/farmakoekonomika.2025.341</article-id><article-id custom-type="elpub" pub-id-type="custom">farmaec-1270</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="en"><subject>ORIGINAL ARTICLES</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ ПУБЛИКАЦИИ</subject></subj-group></article-categories><title-group><article-title>Features of kidney structural changes in IgA-nephropathy with isolated detection of IgA class antibodies to deamidated gliadin peptides in the serum</article-title><trans-title-group xml:lang="ru"><trans-title>Особенности структурных изменений почек при IgA-нефропатии с изолированным выявлением антител класса IgA к деамидированным пептидам глиадина в сыворотке крови</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0459-0488</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Корабельников</surname><given-names>Д. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Korabelnikov</surname><given-names>D. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Корабельников Даниил Иванович, к.м.н., доцент</p><p>Scopus Author ID: 7801382184. </p><p>2-я Брестская ул., д. 5, Москва 123056 </p></bio><bio xml:lang="en"><p>Daniil I. Korabelnikov, PhD, Assoc. Prof.</p><p>Scopus Author ID: 7801382184. </p><p>5 2nd Brestskaya Str., Moscow 123056</p></bio><email xlink:type="simple">dkorabelnikov@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/0000-0002-3787-1147</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Манцаева</surname><given-names>М. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Mantsaeva</surname><given-names>M. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Манцаева Мария Евгеньевна</p><p>2-я Брестская ул., д. 5, Москва 123056; ул. Намёткина, д. 16, корп. 4, Москва 117420;ул. Народного ополчения, д. 35, Москва 123060</p></bio><bio xml:lang="en"><p>Maria E. Mantsaeva</p><p>5 2nd Brestskaya Str., Moscow 123056; 16 Nametkina Str., Moscow 117420; 35 Narodnogo Opolcheniya Str., Moscow 123060</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7063-6563</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Борисов</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Borisov</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Борисов Алексей Геннадьевич, к.м.н., доцент</p><p>2-я Брестская ул., д. 5, Москва 123056; ул. Баррикадная, д. 2/1, стр. 1, Москва 125993</p></bio><bio xml:lang="en"><p>Alexey G. Borisov, PhD, Assoc. Prof. </p><p>5 2nd Brestskaya Str., Moscow 123056; 2/1 bldg 1, Barrikadnaya Str., Moscow 125993</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Автономная некоммерческая организация дополнительного профессионального образования «Московский медико-социальный институт им. Ф.П. Гааза»<country>Россия</country></aff><aff xml:lang="en">Moscow Haass Medical and Social Institute<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Автономная некоммерческая организация дополнительного профессионального образования «Московский медико-социальный институт им. Ф.П. Гааза»; Медицинское частное учреждение «Отраслевой клинико-диагностический центр ПАО «Газпром»; Федеральное казенное учреждение здравоохранения «Главный клинический госпиталь Министерства внутренних дел Российской Федерации»<country>Россия</country></aff><aff xml:lang="en">Moscow Haass Medical and Social Institute; Branch Clinical and Diagnostic Center of PJSC Gazprom; Main Clinical Hospital of the Ministry of Internal Affairs of the Russian Federation<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Автономная некоммерческая организация дополнительного профессионального образования «Московский медико-социальный институт им. Ф.П. Гааза»; Федеральное государственное бюджетное образовательное учреждение дополнительного профессионального образования «Российская медицинская академия непрерывного профессионального образования» Министерства здравоохранения Российской Федерации<country>Россия</country></aff><aff xml:lang="en">Moscow Haass Medical and Social Institute; Russian Medical Academy of Сontinuous Professional Education<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>22</day><month>01</month><year>2026</year></pub-date><volume>18</volume><issue>4</issue><fpage>465</fpage><lpage>472</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Korabelnikov D.I., Mantsaeva M.E., Borisov A.G., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Корабельников Д.И., Манцаева М.Е., Борисов А.Г.</copyright-holder><copyright-holder xml:lang="en">Korabelnikov D.I., Mantsaeva M.E., Borisov A.G.</copyright-holder><license 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.pharmacoeconomics.ru/jour/article/view/1270">https://www.pharmacoeconomics.ru/jour/article/view/1270</self-uri><abstract><sec><title>Backgrоund</title><p>Backgrоund. Immunoglobulin A nephropathy (IgA-N) is a common form of chronic glomerulonephritis. Its basis is the accumulation of IgA immune complexes in the glomeruli, associated with impaired glycosylation of the IgA molecule. Exogenous antigens, such as gluten, play an important role in the development of the disease. It has been experimentally confirmed that oral immunization with gluten induces mesangial IgA deposits, and a gluten-free diet can improve the course of nephropathy, indicating the significance of the enterorenal axis in the pathogenesis of IgA-N.</p></sec><sec><title>Objective</title><p>Objective: To study structural changes in renal tissue in IgAN patients and to evaluate the clinical and diagnostic significance of IgA antibodies to deamidated gliadin peptides (anti-DGP IgA) in the blood serum.</p></sec><sec><title>Material and methods</title><p>Material and methods. The study involved 105 patients aged 18 to 64 years diagnosed with IgAN based on a lifetime nephrobiopsy with morphological examination according to the Oxford classification. Patients were divided into two groups: the main group (n=20) included IgAN patients with detected anti-DGP IgA, and the control group (n=85) included IgAN patients seronegative for anti-DGP IgA, IgA antibodies to tissue transglutaminase, and to endomysium.</p></sec><sec><title>Results</title><p>Results. When comparing fibrous-sclerotic changes, no statistically significant intergroup differences were obtained. However, a clear trend of predominance of irreversible light-optical changes within the area of the nephrobiopsy specimen was noted in patients of the main group compared to the control group: 82.4% and 56.9%, respectively (p=0.059).</p></sec><sec><title>Conclusion</title><p>Conclusion. The obtained results reflect a high frequency of irreversible fibrous-sclerotic changes in the nephrobiopsy in patients with IgAN and anti-DGP IgA in the blood serum. Timely detection of anti-DGP IgA can improve the ability to predict the outcome of the disease and optimize therapeutic strategies.</p></sec></abstract><trans-abstract xml:lang="ru"><sec><title>Актуальность</title><p>Актуальность. Иммуноглобулин А-нефропатия (IgA-H) – распространенная форма хронического гломерулонефрита, в основе которой лежит накопление в клубочках IgA-иммунных комплексов, связанное с нарушением гликозилирования молекулы IgA. Важную роль в развитии болезни играют экзогенные антигены, такие как глютен. Экспериментально подтверждено, что пероральная иммунизация глютеном индуцирует мезангиальные IgA-депозиты, а безглютеновая диета может улучшать течение нефропатии, что указывает на значение энтероренальной оси в патогенезе IgA-H.</p></sec><sec><title>Цель</title><p>Цель: изучить особенности структурных изменений почечной ткани у пациентов с IgA-H при изолированном выявлении антител (АТ) IgA к деамидированным пептидам глиадина (ДПГ) в сыворотке крови.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. В исследовании приняли участие 105 пациентов в возрасте от 18 до 64 лет с подтвержденным диагнозом IgA-H на основании прижизненной нефробиопсии с морфологическим исследованием и оценкой в соответствии с Оксфордской классификацией. Пациенты разделены на две группы: в основную группу (n=20) вошли больные IgA-H с выявленными АТ IgA к ДПГ, в контрольную группу (n=85) – пациенты с IgA-H, серонегативные по АТ IgA к ДПГ, тканевой трансглютаминазе и эндомизию.</p></sec><sec><title>Результаты</title><p>Результаты. Отмечен отчетливый тренд преобладания необратимых фиброзно-склеротических изменений в пределах площади нефробиоптата у пациентов основной группы по сравнению с контрольной – 82,4% и 56,9% соответственно (р=0,059).</p></sec><sec><title>Заключение</title><p>Заключение. Полученные результаты отражают высокую частоту необратимых фиброзно-склеротических изменений в нефробиоптате у пациентов с IgA-H при изолированном выявлении АТ IgA к ДПГ в сыворотке крови. Своевременное выявление АТ IgA к ДПГ у больных IgA-H может улучшить возможности прогнозирования неблагоприятного течения заболевания и оптимизировать терапевтические стратегии.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>иммуноглобулин A-нефропатия</kwd><kwd>биопсия почки</kwd><kwd>антитела IgA к деамидированным пептидам глиадина</kwd><kwd>прогноз</kwd></kwd-group><kwd-group xml:lang="en"><kwd>immunoglobulin A nephropathy</kwd><kwd>kidney biopsy</kwd><kwd>IgA antibodies to deamidated gliadin peptides</kwd><kwd>prognosis</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">Гломерулярные болезни: иммуноглобулин А-нефропатия. Клинические рекомендации. 2024. URL: https://cr.minzdrav.gov.ru/preview-cr/894_1 (дата обращения 05.04.2025).</mixed-citation><mixed-citation xml:lang="en">Glomerular diseases: immunoglobulin A nephropathy. Clinical guidelines. 2024. 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