<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE root>
<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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Tumors of female reproductive system</journal-id><journal-title-group><journal-title xml:lang="en">Tumors of female reproductive system</journal-title><trans-title-group xml:lang="ru"><trans-title>Опухоли женской репродуктивной системы</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1994-4098</issn><issn publication-format="electronic">1999-8627</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">1313</article-id><article-id pub-id-type="doi">10.17650/1994-4098-2024-20-4-14-20</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>MAMMOLOGY. ORIGINAL ARTICLE</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>МАММОЛОГИЯ. ОРИГИНАЛЬНАЯ СТАТЬЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Assessing the influence of circulating tumor cells on the prognosis of breast cancer</article-title><trans-title-group xml:lang="ru"><trans-title>Оценка прогностического значения циркулирующих опухолевых клеток при раке молочной железы</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6758-4800</contrib-id><name-alternatives><name xml:lang="en"><surname>Zyuzyukina</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Зюзюкина</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p> Alena Vladimirovna Zyuzyukina </p><p>1 Partizana Zheleznyaka St., Krasnoyarsk 660022, Russia; </p><p>161-ya Smolenskaya St., Krasnoyarsk 660133, Russia</p></bio><bio xml:lang="ru"><p> Алена Владимировна Зюзюкина  </p><p>Россия, 660022 Красноярск, ул. Партизана Железняка, 1;</p><p>Россия, 660133 Красноярск, ул. 1-я Смоленская, 16 </p></bio><email>alena-vz@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Borodulina</surname><given-names>V. I.</given-names></name><name xml:lang="ru"><surname>Бородулина</surname><given-names>В. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Partizana Zheleznyaka St., Krasnoyarsk 660022, Russia</p></bio><bio xml:lang="ru"><p>Россия, 660022 Красноярск, ул. Партизана Железняка, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kolovskaya</surname><given-names>O. S.</given-names></name><name xml:lang="ru"><surname>Коловская</surname><given-names>О. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Partizana Zheleznyaka St., Krasnoyarsk 660022, Russia</p><p>50 Akademgorodok St., Krasnoyarsk 660036, Russia</p></bio><bio xml:lang="ru"><p>Россия, 660022 Красноярск, ул. Партизана Железняка, 1;</p><p>Россия, 660036 Красноярск, ул. Академгородок, 50 </p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zamay</surname><given-names>G. S.</given-names></name><name xml:lang="ru"><surname>Замай</surname><given-names>Г. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Partizana Zheleznyaka St., Krasnoyarsk 660022, Russia</p><p>50 Akademgorodok St., Krasnoyarsk 660036, Russia</p></bio><bio xml:lang="ru"><p>Россия, 660022 Красноярск, ул. Партизана Железняка, 1;</p><p>Россия, 660036 Красноярск, ул. Академгородок, 50 </p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kirichenko</surname><given-names>D. A.</given-names></name><name xml:lang="ru"><surname>Кириченко</surname><given-names>Д. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Partizana Zheleznyaka St., Krasnoyarsk 660022, Russia</p></bio><bio xml:lang="ru"><p>Россия, 660022 Красноярск, ул. Партизана Железняка, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7493-8742</contrib-id><name-alternatives><name xml:lang="en"><surname>Zamay</surname><given-names>T. N.</given-names></name><name xml:lang="ru"><surname>Замай</surname><given-names>Т. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Partizana Zheleznyaka St., Krasnoyarsk 660022, Russia</p><p>50 Akademgorodok St., Krasnoyarsk 660036, Russia</p></bio><bio xml:lang="ru"><p>Россия, 660022 Красноярск, ул. Партизана Железняка, 1;</p><p>Россия, 660036 Красноярск, ул. Академгородок, 50 </p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1054-4629</contrib-id><name-alternatives><name xml:lang="en"><surname>Kichkaylo</surname><given-names>A. S.</given-names></name><name xml:lang="ru"><surname>Кичкайло</surname><given-names>А. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Partizana Zheleznyaka St., Krasnoyarsk 660022, Russia</p><p>50 Akademgorodok St., Krasnoyarsk 660036, Russia</p></bio><bio xml:lang="ru"><p>Россия, 660022 Красноярск, ул. Партизана Железняка, 1;</p><p>Россия, 660036 Красноярск, ул. Академгородок, 50 </p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7210-3020</contrib-id><name-alternatives><name xml:lang="en"><surname>Zukov</surname><given-names>R. A.</given-names></name><name xml:lang="ru"><surname>Зуков</surname><given-names>Р. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Partizana Zheleznyaka St., Krasnoyarsk 660022, Russia; </p><p>161-ya Smolenskaya St., Krasnoyarsk 660133, Russia</p></bio><bio xml:lang="ru"><p>Россия, 660022 Красноярск, ул. Партизана Железняка, 1;</p><p>Россия, 660133 Красноярск, ул. 1-я Смоленская, 16 </p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Krasnoyarsk State Medical University named after Prof. V.F. Voino-Yasenetsky, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Красноярский государственный  медицинский университет им. проф. В.Ф. Войно-Ясенецкого» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Krasnoyarsk Regional Clinical Cancer Center named after A.I. Kryzhanovsky</institution></aff><aff><institution xml:lang="ru">КГБУЗ «Красноярский краевой клинический  онкологический диспансер им. А.И. Крыжановского»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Federal Research Center Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Федеральный исследовательский центр «Красноярский научный центр Сибирского отделения Российской академии наук»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-12-03" publication-format="electronic"><day>03</day><month>12</month><year>2024</year></pub-date><volume>20</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>14</fpage><lpage>20</lpage><history><date date-type="received" iso-8601-date="2024-06-15"><day>15</day><month>06</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2025-02-24"><day>24</day><month>02</month><year>2025</year></date></history><permissions><copyright-year>2024</copyright-year><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://ojrs.abvpress.ru/ojrs/article/view/1313">https://ojrs.abvpress.ru/ojrs/article/view/1313</self-uri><abstract xml:lang="en"><p><bold>Aim. </bold>To monitor antitumor therapy using the level of circulating tumor cells (CTC) in the peripheral blood of breast cancer (BC) patients using aptamers.<bold>Materials and methods. </bold>The study included 34 patients with BC. The primary determination of CTC content was performed before surgical treatment in 2017. 32 and 48 months after surgical treatment, the number of CTC and their derivatives was re-determined to assess the dynamics of the disease. Detection of CTC was carried out in 3.5 ml of blood from BC patients using the aptamer MDA231, which is affinity for BC cells and labeled with the fluorescent dye Cy5. Counting of CTC in smears of blood samples was performed using fluorescence and scanning laser microscopy.<bold>Results. </bold>The observation period for patients ranged from 1 to 143 months. 7 (20.6 %) of 34 patients experienced disease progression. The median time to disease relapse was 69 months. A statistically significant inverse moderate correlation (<italic>p </italic>&lt;0.05) was revealed between age and the number of CTC (–0.39). A statistically significant direct average correlation (<italic>p </italic>&lt;0.05) between proliferative activity index Ki-67 and the number of CTC (0.42) was also found. Statistically significant differences were found between patients divided into two groups depending on the presence or absence of CTC in the time until the onset of disease relapse (<italic>p </italic>= 0.015). The median survival and interquartile range in patients with CTC was 68 (23–70) months, and in patients without CTC 76 (58–108) months.<bold>Conclusion. </bold>The risk of developing BC relapse with positive detection of CTC is 28.6 %. The value of the absolute risk indicator in BC patients without CTC in the peripheral blood is 5.9 %. The value of the relative risk indicator is 4.857.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель исследования </bold>– мониторинг противоопухолевой терапии с помощью уровня циркулирующих опухолевых клеток (ЦОК) в периферической крови больных раком молочной железы (РМЖ) с помощью аптамеров.<bold>Материалы и методы. </bold>В исследование включены 34 больных РМЖ. Первичное определение содержания ЦОК выполнено перед оперативным лечением в 2017 г. спустя 32 и 48 мес после оперативного вмешательства проведено повторное определение количества ЦОК и их производных с оценкой динамики заболевания. Детекцию ЦОК проводили в 3,5 мл крови больных РМЖ с помощью аффинного клеткам РМЖ аптамера MDA231, меченного флуоресцентным красителем Cy5, подсчет ЦОК в мазках образцов крови – с помощью флуоресцентной и сканирующей лазерной микроскопии.<bold>Результаты. </bold>Интервал времени наблюдения за пациентками составил от 1 до 143 мес. у 7 (20,6 %) из 34 пациенток наступило прогрессирование заболевания. Медиана времени до рецидива заболевания составила 69 мес. Выявлена статистически значимая корреляционная обратная умеренная связь (<italic>p </italic>&lt;0,05) между возрастом и количеством ЦОК (–0,39). Кроме того, обнаружена статистически значимая корреляционная прямая средняя связь (<italic>p </italic>&lt;0,05) между индексом пролиферативной активности Ki-67 и количеством ЦОК (0,42). статистически значимые отличия обнаружены между пациентками, разделенными на 2 группы в зависимости от наличия или отсутствия ЦОК, по времени до наступления рецидива заболевания (<italic>p </italic>= 0,015). Медиана выживаемости и межквартильный размах у пациенток с ЦОК составили 68 (23–70) мес, а у пациенток без ЦОК – 76 (58–108) мес.<bold>Выводы. </bold>Риск развития рецидива РМЖ при положительной детекции ЦОК составляет 28,6 %. значение показателя абсолютного риска у больных РМЖ без ЦОК в периферической крови составило 5,9 %, значение показателя относительного риска – 4,857.</p></trans-abstract><kwd-group xml:lang="en"><kwd>breast cancer</kwd><kwd>relapse</kwd><kwd>monitoring of antitumor therapy</kwd><kwd>circulating tumor cells</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рак молочной железы</kwd><kwd>рецидив</kwd><kwd>мониторинг противоопухолевой терапии</kwd><kwd>циркулирующие опухолевые клетки</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The study was conducted with the support of the Ministry of Health of Russia (state assignment REYC-2023-0012).</funding-statement><funding-statement xml:lang="ru">Исследование проведено при поддержке Министерства здравоохранения Российской Федерации (государственное задание REYC-2023-0012).</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Breast. Globocan 2022. World Heath Organization. Available at: https://gco.iarc.who.int/media/globocan/factsheets/populations/900-world-fact-sheet.pdf.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Cardoso F., Kataja V., Tjan-Heijnen V. Breast Cancer. Essentials for Clinicians. ESMO Press, 2019.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Pagani O., Senkus E., Wood W. et al. International guidelines for management of metastatic breast cancer: Can metastatic breast cancer be cured? J Natl Cancer Inst 2010;102(7):456–63. DOI: 10.1093/jnci/djq029</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>Molina R., Barak V., van Dalen A. et al. Tumor markers in breast cancer – European Group on Tumor Markers recommendations. Tumour Biol 2005;26(6):281–93. DOI: 10.1159/000089260</mixed-citation></ref><ref id="B5"><label>5.</label><mixed-citation>Wang W., Xu X., Tian B. et al. The diagnostic value of serum tumor markers CEA, CA19-9, CA125, CA15-3, and TPS in metastatic breast cancer. Clin Chim Acta 2017;470:51–5. DOI: 10.1016/j.cca.2017.04.023</mixed-citation></ref><ref id="B6"><label>6.</label><citation-alternatives><mixed-citation xml:lang="en">Kovalev A.A., Grudinskaya T.A., Kuznetsova T.P. et al. Heterogeneity of circulating tumor cells. Onkologiya = Oncology 2012;14(2):126–9. (In Russ.).</mixed-citation><mixed-citation xml:lang="ru">Ковалев А.А., Грудинская Т.А., Кузнецова Т.П. и др. Гетерогенность циркулирующих опухолевых клеток. Онкология 2012;14(2):126–9.</mixed-citation></citation-alternatives></ref><ref id="B7"><label>7.</label><mixed-citation>Vona G., Sabile A., Louha M. et al. Isolation by size of epithelial tumor cells: A new method for the immunomorphological and molecular characterization of circulatingtumor cells. Am J Pathol 2000;156(1):57–63.</mixed-citation></ref><ref id="B8"><label>8.</label><mixed-citation>Lozar T., Jesenko T., Kloboves Prevodnik V. et al. Preclinical and clinical evaluation of magnetic-activated cell separation technology for CTC isolation in breast cancer. Front Oncol 2020;10:554554. DOI: 10.3389/fonc.2020.554554</mixed-citation></ref><ref id="B9"><label>9.</label><mixed-citation>Ellington A.D., Szostak J.W. In vitro selection of RNA molecules that bind specific ligands. Nature 1990;346(6287):818–22. DOI: 10.1038/346818a0</mixed-citation></ref><ref id="B10"><label>10.</label><mixed-citation>Kolovskaya O.S., Zyuzyukina A.V., Dassie J.P. et al. Monitoring of breast cancer progression via aptamer-based detection of circulating tumor cells in clinical blood samples. Front Mol Biosci 2023;10:1184285. DOI: 10.3389/fmolb.2023.1184285</mixed-citation></ref><ref id="B11"><label>11.</label><mixed-citation>Li F., Li J., Yuan Y. et al. A real-world comparison of circulating tumor cells in breast cancer from China: Novel device, CTC counts and its overall survival. Heliyon 2024;10(7):e29217. DOI: 10.1016/j.heliyon.2024.e29217</mixed-citation></ref><ref id="B12"><label>12.</label><mixed-citation>Sparano J., O’Neill A., Alpaugh K. et al. Association of circulating tumor cells with late recurrence of estrogen receptor-positive breast cancer. JAMA Oncol 2018;4(12):1700–6. DOI: 10.1001/jamaoncol.2018.2574</mixed-citation></ref><ref id="B13"><label>13.</label><mixed-citation>Zamay G.S., Kolovskaya O.S., Zamay T.N. et al. Aptamers selected to postoperative lung adenocarcinoma detect circulating tumor cells in human blood. Mol Ther 2015;23:1486–96. DOI: 10.1038/mt.2015.108</mixed-citation></ref><ref id="B14"><label>14.</label><mixed-citation>Liu Z., Duan J.-H., Song Y.-M. et al. Novel HER2 aptamer selectively delivers cytotoxic drug to HER2-positive breast cancer cells in vitro. J Transl Med 2012;10:148. DOI: 10.1186/1479-5876-10-148</mixed-citation></ref><ref id="B15"><label>15.</label><mixed-citation>Agnihotri N.P., Dubey S., Bhide M. Design and characterization of DNA aptamer for breast tumor marker by an advantageous method. IJIRSET 2014;3:16642–8. DOI: 10.15680/IJIRSET.2014.0310030</mixed-citation></ref></ref-list></back></article>
