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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">problendo</journal-id><journal-title-group><journal-title xml:lang="ru">Проблемы Эндокринологии</journal-title><trans-title-group xml:lang="en"><trans-title>Problems of Endocrinology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0375-9660</issn><issn pub-type="epub">2308-1430</issn><publisher><publisher-name>Endocrinology Research Centre</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14341/probl9574</article-id><article-id custom-type="elpub" pub-id-type="custom">problendo-9574</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>Оригинальные исследования</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Original Studies</subject></subj-group></article-categories><title-group><article-title>Сывороточные уровни склеростина и катепсина K в оценке костного метаболизма у пациентов с сахарным диабетом 2-го типа</article-title><trans-title-group xml:lang="en"><trans-title>The study of new biomarkers of bone metabolism of sclerostin and cathepsin K in patients with type 2 diabetes mellitus</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4394-8446</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нуруллина</surname><given-names>Гузель Михайловна</given-names></name><name name-style="western" xml:lang="en"><surname>Nurullina</surname><given-names>Guzel M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант кафедры факультетской терапии с курсами эндокринологии и гематологии, врач-эндокринолог</p></bio><bio xml:lang="en"><p>MD</p></bio><email xlink:type="simple">dalllila@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/0000-0003-1876-2516</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ахмадуллина</surname><given-names>Гузяль Илгисовна</given-names></name><name name-style="western" xml:lang="en"><surname>Akhmadullina</surname><given-names>Guzyal I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н.</p></bio><bio xml:lang="en"><p>MD, PhD</p></bio><email xlink:type="simple">guzal-work@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>&lt;p&gt;ФГБОУ ВО &amp;laquo;Ижевская государственная медицинская академия&amp;raquo; Минздрава России&lt;/p&gt;</institution><country>Россия</country></aff><aff xml:lang="en"><institution>&lt;p&gt;Izhevsk State Medical Academy&lt;/p&gt;</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>01</day><month>04</month><year>2019</year></pub-date><volume>64</volume><issue>6</issue><fpage>363</fpage><lpage>370</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Нуруллина Г.М., Ахмадуллина Г.И., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Нуруллина Г.М., Ахмадуллина Г.И.</copyright-holder><copyright-holder xml:lang="en">Nurullina G.M., Akhmadullina G.I.</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.probl-endojournals.ru/jour/article/view/9574">https://www.probl-endojournals.ru/jour/article/view/9574</self-uri><abstract><sec><title>Обоснование</title><p>Обоснование. Ухудшение качества костной ткани при сахарном диабете 2-го типа (СД2) приводит к снижению ее прочности и повышению риска низкоэнергетических переломов.</p><p>Цель исследования — изучить сывороточные уровни склеростина и катепсина К в оценке костного метаболизма у пациентов с СД2.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. Обследованы 102 женщины в периоде постменопаузы в возрасте от 46 до 67 лет. Все пациентки были разделены на четыре группы: 1-я — 39 женщин с СД2 и постменопаузальным остеопорозом (ПО), 2-я — 25 женщин с ПО без СД2, 3-я — 21 женщина с СД2 без ПО, 4-я (контроль) — 17 женщин без СД2 и ПО. У пациенток всех групп определяли уровень ионизированного кальция, фосфора, общей щелочной фосфатазы (ОЩФ), паратгормона, 25(ОН)D и минеральную плотность костной ткани; у пациенток 1-й, 2-й и 4-й групп — еще и уровень склеростина и катепсина К в сыворотке.</p></sec><sec><title>Результаты</title><p>Результаты. Статистически значимых различий между группами по уровню склеростина получено не было, в 1-й группе пациенток была выявлена положительная корреляция между уровнями склеростина и HbA1с (r=0,43; р=0,009), во 2-й группе — отрицательная корреляция между концентрацией склеростина и ионизированного кальция (r=–0,45; p=0,037). Содержание катепсина K в 1-й группе было ниже, чем во 2-й (р=0,046), однако с учетом поправки Бонферрони это различие не достигало статистической значимости. В 1-й и 3-й группах уровень 25(ОН)D был ниже, чем в отсутствие СД2. Концентрация ОЩФ в 1-й и 3-й группах отрицательно коррелировала с длительностью постменопаузы (соответственно r=–0,39 и r=–0,64; р=0,05).</p></sec><sec><title>Заключение</title><p>Заключение. У пациентов с СД2 и ПО снижен уровень катепсина К в сыворотке, что косвенно может свидетельствовать о снижении костной резорбции. Концентрация склеростина, выполняющего ключевую роль в механизме торможения остео бластогенеза, положительно коррелирует с уровнем НbА1с.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>BACKGROUND</title><p>BACKGROUND: Deterioration of bone tissue in type 2 diabetes mellitus (T2D): lead to the increased bone brittleness and to higher risk of low-energy fractures.</p></sec><sec><title>AIM</title><p>AIM: to study serum levels of sclerostin and cathepsin K in assessing bone metabolism in patients with type 2 diabetes mellitus.</p></sec><sec><title>MATERIAL AND METHODS</title><p>MATERIAL AND METHODS: 102 postmenopausal women aged from 46 to 67 years were examined. All patients were divided into 4 groups: the first group included 39 patients with type 2 diabetes (T2DM) and postmenopausal osteoporosis (PO), the second group — 25 patients with PO without T2DM, the third group included 21 patients with T2DM but without PO, and the fourth group (control) — 17 people. Patinets of all groups were tested for ionized calcium, phosphorus, total alkaline phosphatase (ALP), parathyroid hormone, 25 (OH) vitamin D, bone mineral density in groups I, II, and IV, levels of sclerostin and cathepsin Kin seru, were also obtained.</p></sec><sec><title>RESULTS</title><p>RESULTS: No statistically significant differences have been observed between groups in sclerostin levels, a positive correlation was found between sclerostin and НbА1с (r=0.43; p=0.009) in the group of patients with T2DM and PO, a negative correlation was found between sclerostin and ionized calcium (r=–0.45; p=0.037) in the group of patients with PO. Cathepsin C in the first group was lower than in the second group (p=0.046), but taking into account Bonferroni correction this difference was not statistically significant. In the first and third groups, 25 (OH) vitamin D was lower than in the groups without T2D. The ALP negatively correlated with the duration of the postmenopause (r=–0.39 and r=–0.64; р=0.05, respectively).</p></sec><sec><title>CONCLUSIONS</title><p>CONCLUSIONS: Cathepsin С was lower in patients with T2DM2 and PO, which may indirectly indicate a decreased bone resorption. Concentration of sclerostin, which plays a key role in the mechanism of inhibiting osteoblastogenesis, positively correlated with НbА1с.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>постменопаузальный остеопороз</kwd><kwd>сахарный диабет 2-го типа</kwd><kwd>костное ремоделирование</kwd><kwd>склеростин</kwd><kwd>катепсин К</kwd></kwd-group><kwd-group xml:lang="en"><kwd>postmenopausal osteoporosis</kwd><kwd>diabetes mellitus type 2</kwd><kwd>bone remodeling</kwd><kwd>sclerostin</kwd><kwd>cathepsin K</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">Ogurtsova K, Da Rocha Fernandes JD, Huang Y, et al. IDF diabetes atlas: global estimates for the prevalence of diabetes for 2015 and 2040. 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