Intraoperative staining of malignant lung tumors using bioorganic fluorescent gold nanoclusters bound to aptamers
- Authors: Zamay G.S.1,2, Zamay T.N.1,2, Chumakov D.S.3, Sidorov S.A.1,4, Krat A.V.1,4, Khlebtsov B.N.3,5, Shchugoreva I.A.1,2, Koshmanova A.A.1, Zukov R.A.1,4, Khlebtsov N.G.3,5, Kichkailo A.S.1,2
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Affiliations:
- Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical University
- Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”
- Federal Research Centre “Saratov Scientific Centre of the Russian Academy of Sciences”
- Krasnoyarsk Regional Clinical Oncology Dispensary named after A.I. Kryzhanovsky
- Saratov State University
- Issue: Vol 29, No 2 (2024)
- Pages: 82-92
- Section: Original Study Articles
- URL: https://journals.rcsi.science/1028-9984/article/view/284606
- DOI: https://doi.org/10.17816/onco633809
- ID: 284606
Cite item
Abstract
Background: The problem of recurrence, generalization, or metastasis of lung cancer remains relevant to this day, despite the advances in diagnostic and therapeutic methods of treatment. The main method of localized lung cancer treatment is surgery. The volume of resection is determined by the location of the tumor, its spread to surrounding tissues and the status of lymph node damage. However, even after removal of a large part of the lung, metastatic foci may remain in healthy tissue. To improve the effectiveness of diagnostics during surgery, fluorescence-navigated surgery can be used, based on the use of fluorescent dyes, which enables to see even small clusters of malignant cells in the early stages of tumor process development.
Aim: To develop a drug for fluorescence-navigation surgery based on aptamers and fluorescent gold nanoclusters (fluorescence excitation wavelengths are 365–410 nm, emission wavelengths are 615–650 nm).
Materials and Methods: The object of the study is primary cultures of non-small cell lung cancer. Liposomes functionalized with DNA aptamer LC-17 were used to deliver gold nanoclusters stabilized with glutathione (GSH-AuNC) or bovine serum albumin (BSA-AuNC) to lung cancer cells. Electron microscopic images of the synthesized nanoclusters were obtained using transmission electron microscopy. Analysis of the efficiency of tumor cell binding to aptamer-functionalized liposomes containing nanoclusters was performed using flow cytometry Lung adenocarcinoma tissue was used to evaluate the efficiency of fluorescent nanoclusters.
Results: The diameter of BSA-AuNC and GSH-AuNC nanoclusters was 1.8±0.5 nm and 1.5±0.3 nm, respectively. When exciting by light with a wavelength of 365 nm, the maximum fluorescence emission for BSA-AuNCs was 655 nm, and for GSH-AuNCs — 613 nm. The fluorescence quantum yields for BSA-AuNCs and GSH-AuNCs were 6% and 14%, respectively. LC-17 aptamer-functionalized liposomes with included GSH-AuNC and BSA-AuNC effectively bound to lung adenocarcinoma cells and stained them.
Conclusion: The possibilityl of using gold nanoclusters stabilized by GSH-AuNC and BSA-AuNC for fluorescence-guided surgery is demonstrated.
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##article.viewOnOriginalSite##About the authors
Galina S. Zamay
Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical University; Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”
Author for correspondence.
Email: galina.zamay@gmail.com
ORCID iD: 0000-0002-2567-6918
SPIN-code: 6501-0371
Cand. Sci. (Biology)
Russian Federation, 1 Partizan Zheleznyak street, Krasnoyarsk 660022; 50, Akademgorodok st., Krasnoyarsk 660036Tatiana N. Zamay
Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical University; Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”
Email: tzamay@yandex.ru
ORCID iD: 0000-0002-7493-8742
SPIN-code: 8799-8497
Dr. Sci. (Biology)
Russian Federation, 1 Partizan Zheleznyak street, Krasnoyarsk 660022; 50, Akademgorodok st., Krasnoyarsk 660036Daniil S. Chumakov
Federal Research Centre “Saratov Scientific Centre of the Russian Academy of Sciences”
Email: laik2012@yandex.ru
ORCID iD: 0000-0003-1658-2562
SPIN-code: 8491-2313
Cand. Sci. (Biology)
Russian Federation, Saratov 410028Semen A. Sidorov
Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical University; Krasnoyarsk Regional Clinical Oncology Dispensary named after A.I. Kryzhanovsky
Email: sidorov.syoma2014@yandex.ru
ORCID iD: 0000-0001-6676-6656
SPIN-code: 8740-5259
Russian Federation, 1 Partizan Zheleznyak street, Krasnoyarsk 660022; Krasnoyarsk 660133
Aleksey V. Krat
Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical University; Krasnoyarsk Regional Clinical Oncology Dispensary named after A.I. Kryzhanovsky
Email: alexkrat@mail.ru
ORCID iD: 0009-0006-5357-2637
SPIN-code: 2846-8592
MD, Cand. Sci. (Medicine)
Russian Federation, 1 Partizan Zheleznyak street, Krasnoyarsk 660022; Krasnoyarsk 660133Boris N. Khlebtsov
Federal Research Centre “Saratov Scientific Centre of the Russian Academy of Sciences”; Saratov State University
Email: khlebtsov_b@ibppm.ru
ORCID iD: 0000-0003-3996-5750
SPIN-code: 5274-8718
Dr. Sci. (Physics and Mathematics)
Russian Federation, Saratov 410028; Saratov 410012Irina A. Shchugoreva
Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical University; Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”
Email: shchugorevai@mail.ru
ORCID iD: 0000-0003-4207-1627
SPIN-code: 8826-6672
Cand. Sci. (Chemistry)
Russian Federation, 1 Partizan Zheleznyak street, Krasnoyarsk 660022; 50, Akademgorodok st., Krasnoyarsk 660036Anastasia A. Koshmanova
Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical University
Email: koshmanova.1998@mail.ru
ORCID iD: 0000-0001-7339-8660
SPIN-code: 2217-2229
Russian Federation, 1 Partizan Zheleznyak street, Krasnoyarsk 660022
Ruslan A. Zukov
Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical University; Krasnoyarsk Regional Clinical Oncology Dispensary named after A.I. Kryzhanovsky
Email: zukov_rus@mail.ru
ORCID iD: 0000-0002-7210-3020
SPIN-code: 3632-8415
MD, Dr. Sci. (Medicine)
Russian Federation, 1 Partizan Zheleznyak street, Krasnoyarsk 660022; Krasnoyarsk 660133Nikolai G. Khlebtsov
Federal Research Centre “Saratov Scientific Centre of the Russian Academy of Sciences”; Saratov State University
Email: khlebtsov@ibppm.sgu.ru
ORCID iD: 0000-0002-2055-7784
SPIN-code: 4377-1257
Dr. Sci. (Physics and Mathematics)
Russian Federation, Saratov 410028; Saratov 410012Anna S. Kichkailo
Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical University; Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”
Email: annazamay@yandex.ru
ORCID iD: 0000-0003-1054-4629
SPIN-code: 5387-9071
Dr. Sci. (Biology)
Russian Federation, 1 Partizan Zheleznyak street, Krasnoyarsk 660022; 50, Akademgorodok st., Krasnoyarsk 660036References
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