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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Molekulyarnaya Meditsina (Molecular medicine)</journal-id><journal-title-group><journal-title xml:lang="en">Molekulyarnaya Meditsina (Molecular medicine)</journal-title><trans-title-group xml:lang="ru"><trans-title>Молекулярная медицина</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1728-2918</issn><issn publication-format="electronic">2499-9490</issn><publisher><publisher-name xml:lang="en">Russkiy Vrach Publishing House</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">568207</article-id><article-id pub-id-type="doi">10.29296/24999490-2023-03-03</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original research</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные исследования</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Predictive clinical and laboratory aspects of the relationship between the concentrations of iron, transferrin and ferritin in blood serum</article-title><trans-title-group xml:lang="ru"><trans-title>Предиктивные клинико-лабораторные аспекты взаимосвязи концентраций железа, трансферрина и ферритина в сыворотке крови</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3725-6360</contrib-id><name-alternatives><name xml:lang="en"><surname>Namiot</surname><given-names>Eugenia D.</given-names></name><name xml:lang="ru"><surname>Намиот</surname><given-names>Евгения Дмитриевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>student I.M. Sechenov First Moscow State Medical University (Sechenov University)</p></bio><bio xml:lang="ru"><p>студент Первого Московского государственного медицинского университета им. И.М. Сеченова (Сеченовский Университет)</p></bio><email>enamiot@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/><xref ref-type="aff" rid="aff4"/><xref ref-type="aff" rid="aff5"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8600-902X</contrib-id><name-alternatives><name xml:lang="en"><surname>Morozova</surname><given-names>Galina D.</given-names></name><name xml:lang="ru"><surname>Морозова</surname><given-names>Галина Дмитриевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>junior researcher Federal State Budgetary Institution, Scientific and Clinical Center of Toxicology named after S.N. Golikov FMBA of Russia, laboratory assistant I.M. Sechenov First Moscow State Medical University (Sechenov University)</p></bio><bio xml:lang="ru"><p>младший научный сотрудник ФГБУ «Научно-клинический центр токсикологии им. академика С.Н. Голикова Федерального медико-биологического агентства», лаборант Первого Московского государственного медицинского университета им. И.М. Сеченова (Сеченовский Университет)</p></bio><email>morozova0826@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/><xref ref-type="aff" rid="aff4"/><xref ref-type="aff" rid="aff5"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1269-0427</contrib-id><name-alternatives><name xml:lang="en"><surname>Sadykov</surname><given-names>Arsenii R.</given-names></name><name xml:lang="ru"><surname>Садыков</surname><given-names>Арсений Русланович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>data analyst Laboratory of metabolomics diagnostics</p></bio><bio xml:lang="ru"><p>аналитик данных лаборатории метаболомной диагностики</p></bio><email>arsenysadykov91@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/><xref ref-type="aff" rid="aff4"/><xref ref-type="aff" rid="aff5"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9788-998X</contrib-id><name-alternatives><name xml:lang="en"><surname>Logvinenko</surname><given-names>Anna A.</given-names></name><name xml:lang="ru"><surname>Логвиненко</surname><given-names>Анна Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>biologist of the clinical diagnostic laboratory Private healthcare institution Central clinical hospital RZD-Medicine</p></bio><bio xml:lang="ru"><p>биолог клинико-диагностической лаборатории частного учреждения здравоохранения «Центральная клиническая больница «РЖД-Медицина»</p></bio><email>lgvnnk@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/><xref ref-type="aff" rid="aff4"/><xref ref-type="aff" rid="aff5"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2320-9806</contrib-id><name-alternatives><name xml:lang="en"><surname>Yurasov</surname><given-names>Vasiliy V.</given-names></name><name xml:lang="ru"><surname>Юрасов</surname><given-names>Василий Викторович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>medical affairs director Laboratory of metabolomic diagnostics, candidate of Medical Sciences</p></bio><bio xml:lang="ru"><p>медицинский директор лаборатории метаболомной диагностики, кандидат медицинских наук</p></bio><email>v.yurasov@lab4p.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/><xref ref-type="aff" rid="aff4"/><xref ref-type="aff" rid="aff5"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7838-1366</contrib-id><name-alternatives><name xml:lang="en"><surname>Skalny</surname><given-names>Anatoly V.</given-names></name><name xml:lang="ru"><surname>Скальный</surname><given-names>Анатолий Викторович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>head of the Center for Bioelementology and Human Ecology, I.M. Sechenov First Moscow State Medical University (Sechenov University), head of Department of Medical Elementology, Peoples Friendship University of Russia, doctor of Medical Sciences, professor</p></bio><bio xml:lang="ru"><p>директор Центра биоэлементологии и экологии человека, Первый Московский государственный медицинский университет им. И.М. Сеченова (Сеченовский университет), заведующий кафедрой медицинской элементологии ФГАОУ ВО «Российский университет дружбы народов», доктор медицинских наук, профессор</p></bio><email>skalny.sport@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/><xref ref-type="aff" rid="aff4"/><xref ref-type="aff" rid="aff5"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">I.M. Sechenov First Moscow State Medical University (Sechenov University)</institution></aff><aff><institution xml:lang="ru">Первый Московский государственный медицинский университет им. И.М. Сеченова (Сеченовский Университет)</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Golikov Research Center of Toxicology</institution></aff><aff><institution xml:lang="ru">ФГБУ «Научно-клинический центр токсикологии им. С.Н. Голикова» ФМБА России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Laboratory of metabolomic diagnostics</institution></aff><aff><institution xml:lang="ru">Лаборатория метаболомной диагностики</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Private healthcare institution «Central clinical hospital «RZD-Medicine»</institution></aff><aff><institution xml:lang="ru">ЧУЗ «ЦКБ «РЖД-Медицина»</institution></aff></aff-alternatives><aff-alternatives id="aff5"><aff><institution xml:lang="en">Peoples Friendship University of Russia</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Российский университет дружбы народов»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-08-25" publication-format="electronic"><day>25</day><month>08</month><year>2023</year></pub-date><volume>21</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>22</fpage><lpage>28</lpage><history><date date-type="received" iso-8601-date="2023-08-10"><day>10</day><month>08</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-08-10"><day>10</day><month>08</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Russkiy Vrach Publishing House</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, ИД "Русский врач"</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Russkiy Vrach Publishing House</copyright-holder><copyright-holder xml:lang="ru">ИД "Русский врач"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2028-08-25"/></permissions><self-uri xlink:href="https://journals.eco-vector.com/1728-2918/article/view/568207">https://journals.eco-vector.com/1728-2918/article/view/568207</self-uri><abstract xml:lang="en"><p>Introduction. Assessment of the status of iron at the individual and population level is an urgent task. However, the interpretation of the results is associated with a number of difficulties. The inflammatory process, disorders of carbohydrate metabolism and other non-specific reactions of the body make it difficult to adequately characterize the status of iron.</p> <p>A change in serum iron levels may be a predictor of the development of deficiency or excess of ferritin and transferrin. Conversely, ferritin and transferrin can act as predictors of iron deficiency or excess.</p> <p>Purpose of the study. The purpose of the study was to identify the prognostic significance of the determination of iron, ferritin and transferrin in serum.</p> <p>Material and methods. The study was performed on the basis of a database of laboratory analyzes taken in the course of laboratory practice. Ferritin, transferrin, and iron were measured in blood serum. The total number of laboratory tests for ferritin, transferrin, iron in serum was 4292. To assess the deficiency or excess of the analyzed analytes, we use the ROC curve model, which is widely used to determine the diagnostic value of new markers. In the present study, this is an attempt to indirectly assess iron metabolism in general, based on a minimum number of laboratory tests.</p> <p>Results. Serum iron concentration may be a predictor of ferritin deficiency or excess. As well as feritin can be a predictor in the assessment of iron concentration. Here we have identified a strong gender dependence. The threshold values, which we calculated as the coefficient of the maximum values of the product of sensitivity and specificity, differ in men and women by more than seven times. For transferrin, we can predict an excess, but we cannot detect a deficiency. We can also predict iron deficiency based on transferrin values.</p> <p>Conclusion. In our work, we show the possibility of a relationship between the content of iron, ferritin and transferrin in the blood serum, which, according to the results of laboratory tests, goes beyond the reference values.</p></abstract><trans-abstract xml:lang="ru"><p>Введение. Оценка статуса железа на индивидуальном и популяционном уровне является актуальной задачей. Однако интерпретация результатов связана с рядом трудностей. Воспалительный процесс, нарушения углеводного обмена и другие неспецифические реакции организма затрудняют адекватную характеристику статуса железа.</p> <p>Изменение уровня железа в сыворотке может быть предиктором развития дефицита или избытка ферритина и трансферрина. И наоборот, ферритин и трансферрин могут выступать в роли предикторов развития дефицита или избытка железа.</p> <p>Цель исследования. Выявление прогностической значимости определения железа, ферритина и трансферрина в сыворотке.</p> <p>Материал и методы. Исследование выполнено на основании базы данных лабораторных анализов, сданных в ходе лабораторной практики. В сыворотке крови измерялись ферритин, трансферрин, железо. Количество лабораторных тестов на ферритин, трансферрин, железо в сыворотке в сумме составило 4292. Для оценки дефицита или избытка исследуемых аналитов мы используем модель ROC-кривой, которая широко используется для определения диагностической ценности новых маркеров. В настоящем исследовании это попытка косвенно оценить обмен железа в целом, опираясь на минимальное количество лабораторных тестов.</p> <p>Результаты. Концентрация железа в сыворотке может выступать предиктором в оценке дефицита или избытка ферритина. Как и ферритин может быть предиктором в оценке концентрации железа. Здесь была выявлена сильная гендерная зависимость. Пороговые значения, которые были рассчитаны как коэффициент максимальных значений произведения чувствительности и специфичности, отличаются у мужчин и женщин более чем в семь раз. Возможно предсказать избыток трансферрина, но не была показана вероятность выявления его дефицита. Также возможно на основе значений трансферрина предсказать развитие дефицита железа.</p> <p>Заключение. В работе показана возможность взаимосвязи содержания в сыворотке крови железа, ферритина и трансферина, по результатам лабораторных тестов, выходящих за рамки референсных значений.</p></trans-abstract><kwd-group xml:lang="en"><kwd>iron</kwd><kwd>ferritin</kwd><kwd>transferrin</kwd><kwd>predictors</kwd><kwd>ROC-curve model</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>железо</kwd><kwd>ферритин</kwd><kwd>трансферрин</kwd><kwd>предикторы</kwd><kwd>модель ROC-кривой</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Daru J., Colman K., Stanworth S., De La Salle B., Wood E., Pasricha S. Serum ferritin as an indicator of iron status: what do we need to know? 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