Exosomal microRNAs in colorectal cancer diagnostics
- Authors: Serbaeva M.S.1,2, Vorobyev S.A.3, Ruksha T.G.2, Zukov R.A.1,2
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Affiliations:
- Krasnoyarsk Regional Clinical Oncology Dispensary named after A.I. Kryzhanovsky, Krasnoyarsk, Russia
- Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, Krasnoyarsk, Russia
- Krasnoyarsk Science Centre of the Siberian Branch of Russian Academy of Science, Krasnoyarsk, Russia
- Section: Original Study Articles
- Submitted: 17.12.2024
- Accepted: 14.05.2025
- Published: 14.05.2025
- URL: https://rjonco.com/1028-9984/article/view/643119
- DOI: https://doi.org/10.17816/onco643119
- ID: 643119
Cite item
Abstract
BACKGROUND: Global statistics demonstrate an upward trend in colorectal cancer (CRC) incidence and mortality, especially in developed and developing countries, in young working-age individuals under 50 years of age, which makes the search for non-invasive CRC markers relevant.
AIM: To identify target exosomal microRNAs for CRC diagnostics in patients over and under 50 years of age.
MATERIALS AND METHODS: Next-generation sequencing (NGS) of blood plasma samples from 10 patients with CRC was performed, followed by an assessment of the hydrodynamic size of exosomes using dynamic light scattering in three samples.
RESULTS: Nine molecules of exosomal microRNAs most characteristic of CRC patients were identified. For patients over 50 years old: miR-26 b, miR-124-1, miR-518 b, miR-520 d, miR-518 d, miR-612, miR-1283-1, miR-1260 a, for patients under 50 years old: miR-4510.
CONCLUSIONS. Non-invasive diagnostics of colorectal cancer using exosomal microRNAs has a high diagnostic potential in individuals of different age groups, but given the difficult-to-reproduce methodology in routine clinical practice, it requires further scientific research.
Full Text

About the authors
Margarita S. Serbaeva
Krasnoyarsk Regional Clinical Oncology Dispensary named after A.I. Kryzhanovsky, Krasnoyarsk, Russia; Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, Krasnoyarsk, Russia
Email: serbaeva94@mail.ru
ORCID iD: 0009-0007-3268-2535
SPIN-code: 4662-4362
Radiotherapist at the Radiotherapy Department No. 2, Assistant at the Department of Oncology and Radiation Therapy with a course PO
Russian Federation, Krasnoyarsk, Russia; Krasnoyarsk, RussiaSergei A. Vorobyev
Krasnoyarsk Science Centre of the Siberian Branch of Russian Academy of Science, Krasnoyarsk, Russia
Email: yekspatz@yandex.ru
SPIN-code: 7747-0299
MD, Cand. Sci. (Medicine)
Russian Federation, Krasnoyarsk, RussiaTatyana G. Ruksha
Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, Krasnoyarsk, Russia
Email: tatyana_ruksha@mail.ru
ORCID iD: 0000-0001-8142-4283
SPIN-code: 5412-2148
MD, Dr. Sci. (Medicine), Professor
Russian Federation, Krasnoyarsk, RussiaRuslan A. Zukov
Krasnoyarsk Regional Clinical Oncology Dispensary named after A.I. Kryzhanovsky, Krasnoyarsk, Russia; Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, Krasnoyarsk, Russia
Author for correspondence.
Email: zukov.ra@krasgmu.ru
ORCID iD: 0000-0002-7210-3020
SPIN-code: 3632-8415
ResearcherId: A-8193-2016
MD, Dr. Sci. (Medicine), Professor
Russian Federation, Krasnoyarsk, Russia; Krasnoyarsk, RussiaReferences
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