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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">medgen</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская генетика</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Genetics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-7998</issn><publisher><publisher-name>Publishing House «Genius Media» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25557/2073-7998.2026.09.75-82</article-id><article-id custom-type="elpub" pub-id-type="custom">medgen-3574</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>МЕТОДИЧЕСКИЕ МАТЕРИАЛЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METHODOLOGICAL MATERIALS</subject></subj-group></article-categories><title-group><article-title>ISCN 2024: обзор некоторых дополнений и изменений в номенклатуре конституциональных (врожденных) хромосомных вариантов, выявляемых при микроматричном анализе</article-title><trans-title-group xml:lang="en"><trans-title>ISCN 2024: A Review of Some Additions and Changes to the Chromosomal Microarray Nomenclature</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>Маркова</surname><given-names>Ж. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Markova</surname><given-names>Zh. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Маркова Ж. Г.</p><p>115522, г. Москва, ул. Москворечье, д. 1</p></bio><bio xml:lang="en"><p>Markova Zh. G. </p></bio><email xlink:type="simple">zhmark71@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>Шилова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shilova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шилова Н. В. </p><p>115522, г. Москва, ул. Москворечье, д. 1</p></bio><bio xml:lang="en"><p>Shilova N. V. </p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «Медико-генетический научный центр имени академика Н. П. Бочкова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Centre for Medical Genetics</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>14</day><month>10</month><year>2026</year></pub-date><volume>25</volume><issue>9</issue><fpage>75</fpage><lpage>82</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Маркова Ж.Г., Шилова Н.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Маркова Ж.Г., Шилова Н.В.</copyright-holder><copyright-holder xml:lang="en">Markova Z.G., Shilova N.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://www.medgen-journal.ru/jour/article/view/3574">https://www.medgen-journal.ru/jour/article/view/3574</self-uri><abstract><p>Международная система цитогеномной номенклатуры человека (ISCN – International System for Human Cytogenomic Nomenclature) – это руководство, определяющее стандарты номенклатуры для описания результатов цитогенетических и цитогеномных исследований, включая микроматричный анализ. В ISCN 2024 обновлены правила описания хромосомных аномалий, обнаруженных цитогеномными методами, что позволяет обеспечить единообразие записи и интерпретации результатов исследования. В обзоре представлены наиболее существенные изменения, внесенные в номенклатуру микроматричного анализа.</p></abstract><trans-abstract xml:lang="en"><p>The International System for Human Cytogenomic Nomenclature (ISCN) is the current guideline defining nomenclature standards for reporting the results of cytogenomic studies, including chromosomal microarray analysis. The 2024 edition updates the rules for reporting chromosomal abnormalities detected using cytogenomic methods, thereby ensuring uniformity in the recording and interpretation of test results. This review presents the most significant changes to the nomenclature for chromosomal microarray analysis.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ISCN</kwd><kwd>микроматричный анализ</kwd><kwd>CNV</kwd><kwd>SNP</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ISCN 2024</kwd><kwd>chromosomal microarray</kwd><kwd>CNV</kwd><kwd>SNP</kwd><kwd>microarray nomenclature</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено в рамках темы НИР №122032300370-1 «Изучение структурно-функциональных особенностей и механизмов формирования хромосомных аномалий и геномного дисбаланса».</funding-statement><funding-statement xml:lang="en">The work was supported by research № 122032300370-1 "Study of structure-functional features and mechanisms of formation of the chromosomal abnormalities and genomic imbalance".</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">An International System for Human Cytogenetic Nomenclature (2024) / Hastings R. 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