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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">Urology reports (St. - Petersburg)</journal-id><journal-title-group><journal-title xml:lang="en">Urology reports (St. - Petersburg)</journal-title><trans-title-group xml:lang="ru"><trans-title>Урологические ведомости</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title>Urology reports (St. - Petersburg)</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2225-9074</issn><issn publication-format="electronic">2687-1416</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">108815</article-id><article-id pub-id-type="doi">10.17816/uroved108815</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original study articles</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">The role of clinical metabolomics in the diagnosis of bladder cancer</article-title><trans-title-group xml:lang="ru"><trans-title>Роль клинической метаболомики в диагностике рака мочевого пузыря</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title/></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8453-2148</contrib-id><contrib-id contrib-id-type="spin">7024-0062</contrib-id><name-alternatives><name xml:lang="en"><surname>Zamyatnin</surname><given-names>Sergey A.</given-names></name><name xml:lang="ru"><surname>Замятнин</surname><given-names>Сергей Алексеевич</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Sci. (Med.), Urologist, Chief Physician</p></bio><bio xml:lang="ru"><p>д-р мед. наук, врач-уролог, главный врач</p></bio><email>elysium2000@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="spin">5703-0630</contrib-id><name-alternatives><name xml:lang="en"><surname>Malushko</surname><given-names>Anton V.</given-names></name><name xml:lang="ru"><surname>Малушко</surname><given-names>Антон Викторович</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Oncologist, Deputy Chief Physician</p></bio><bio xml:lang="ru"><p>врач-онколог, заместитель главного врача</p></bio><email>a-malushko@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1702-9849</contrib-id><contrib-id contrib-id-type="spin">2768-7253</contrib-id><name-alternatives><name xml:lang="en"><surname>Gonchar</surname><given-names>Irina S.</given-names></name><name xml:lang="ru"><surname>Гончар</surname><given-names>Ирина Сергеевна</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.), Urologist</p></bio><bio xml:lang="ru"><p>Канд. мед. наук, врач-уролог</p></bio><email>bonechka@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Priozersky Interdistrict Hospital</institution></aff><aff><institution xml:lang="ru">Приозерская межрайонная больница, Приозерск</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Priozersky Interdistrict Hospital</institution></aff><aff><institution xml:lang="ru">Приозерская межрайонная больница</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2022-09-04" publication-format="electronic"><day>04</day><month>09</month><year>2022</year></pub-date><pub-date date-type="pub" iso-8601-date="2022-10-28" publication-format="electronic"><day>28</day><month>10</month><year>2022</year></pub-date><volume>12</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><issue-title xml:lang="zh"/><fpage>229</fpage><lpage>238</lpage><history><date date-type="received" iso-8601-date="2022-06-18"><day>18</day><month>06</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-09-04"><day>04</day><month>09</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, ООО «Эко-Вектор»</copyright-statement><copyright-statement xml:lang="zh">Copyright ©; 2022,</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">ООО «Эко-Вектор»</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2025-10-28"/></permissions><self-uri xlink:href="https://journals.eco-vector.com/uroved/article/view/108815">https://journals.eco-vector.com/uroved/article/view/108815</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND:</bold> Bladder cancer is a widespread disease characterized by high cancer-specific mortality and high cost of treatment. The search for available and reliable biological markers for the early diagnosis of urothelial carcinomas is an urgent task of oncourology. One of the promising ways to improve the efficiency of bladder cancer diagnostics is the use of the possibility of the clinical metabolomics.</p> <p><bold>AIM:</bold> Was to study the possibility of assessing the content of various amino acids and their metabolites in blood serum for the diagnosis of bladder cancer.</p> <p><bold>MATERIALS AND METHODS:</bold> Serum concentrations of 28 amino acids and their metabolites were studied in 18 patients with urothelial cancer and 20 representatives of the control group without an oncological history. History taking, routine oncological screening, and blood sampling for laboratory tests were performed.</p> <p><bold>RESULTS:</bold> Four metabolomes (glycine, phenylalanine, asparagine, and threonine) were identified, the blood serum concentration of which significantly changes in patients with urothelial cancer. These metabolomes can be considered as potential biomarkers of urothelial cancer.</p> <p><bold>CONCLUSIONS:</bold> The study of the serum content of these four amino acids seems to be the most promising for the isolation of a potential biomarker of urothelial cancer.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Актуальность.</bold> Рак мочевого пузыря — широко распространенное заболевание, характеризующееся высокой онкоспецифической смертностью и высокой стоимостью лечения. Поиск доступных и достоверных биологических маркеров для ранней диагностики уротелиальных карцином является актуальной задачей онкоурологии. Одним из перспективных направлений повышения эффективности диагностики рака мочевого пузыря представляется использование возможностей клинической метаболомики.</p> <p><bold>Цель исследования</bold> — изучение возможности оценки содержания различных аминокислот и их метаболитов в сыворотке крови для диагностики рака мочевого пузыря.</p> <p><bold>Материалы и методы.</bold> Изучались концентрации 28 аминокислот и их метаболитов в сыворотке крови у 18 больных уротелиальным раком и 20 представителей контрольной группы без онкологического анамнеза. Проводили сбор анамнеза, стандартный онкологический скрининг и забор крови для выполнения лабораторных анализов.</p> <p><bold>Результаты.</bold> Выделены 4 метаболома (глицин, фенилаланин, аспарагин и треонин), концентрация которых в сыворотке крови достоверно меняется у пациентов с уротелиальным раком. Указанные метаболомы могут рассматриваться как потенциальные биомаркеры уротелиального рака.</p> <p><bold>Заключение.</bold> Изучение сывороточного содержания указанных четырех аминокислот представляется наиболее перспективными для выделения потенциального биомаркера уротелиального рака.</p></trans-abstract><trans-abstract xml:lang="zh"><p/></trans-abstract><kwd-group xml:lang="en"><kwd>bladder cancer</kwd><kwd>urothelial carcinoma</kwd><kwd>amino acids</kwd><kwd>biomarker</kwd><kwd>metabolomics</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рак мочевого пузыря</kwd><kwd>уротелиальная карцинома</kwd><kwd>аминокислоты</kwd><kwd>биомаркер</kwd><kwd>метаболомика</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Al-Attar TKh. Small bowel reconstruction of the urinary organs [dissertation]. Ufa; 2022. 306 p.</mixed-citation><mixed-citation xml:lang="ru">Ал-Аттар Т.Х. 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