Nanoformulation of the Photoactive Cisplatin Prodrug for Combined Photothermal Therapy and Bioimaging

Cancer phototheranostics is a new mode of precise treatment based on fluorescent and photothermal imaging (PTI), combined with photodynamic (PDT) and photothermal therapy (PTT). Herein, we designed a photoactive Pt(IV) prodrug Pt-1 with BODIPY-based triplet photosensitizer as an axial ligand that exhibits cytotoxic effects through both PDT and photoactivated chemotherapy (PACT). Based on the Pt-1 prodrug, we developed a multifunctional theranostic nanoplatform Pt-NPs with combined PDT/PTT activity, capable of light-induced cisplatin release and suitable for photothermal and fluorescent tumor imaging. Upon 660 nm laser irradiation, Pt-NPs efficiently causes regional hyperpyrexia, with a photothermal conversion efficiency of 42.1%. Synergistically, Pt-NPs acts as a PDT type I agent. In vivo PTI studies have shown bright fluorescence of the CT-26 tumor after intravenous injection of Pt-NPs, indicating accumulation and retention of Pt-NPs in the tumor. This is the first example of PTT/PDT-active NPs based on Pt(IV) prodrug capable of photoinduced release of cisplatin. This strategy of the synergistic light-induced PDT/PTT/PACT action of Pt-NPs provides a new platform for the future design of phototheranostic agents for enhanced tumor treatment and imaging.

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Publication Details

Journal
ACS Applied Nano Materials
Published
2024-11-08
DOI
https://doi.org/10.1021/acsanm.4c04680
Citations
5
Primary Topic
Nanoplatforms for cancer theranostics
Type
article
Field-Weighted Citation Impact
0.92

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article

Nanoformulation of the Photoactive Cisplatin Prodrug for Combined Photothermal Therapy and Bioimaging

Dmitry A. Skvortsov, Вита Н. Никитина, Yu. V. Maksimova, Maxim A. Abakumov et al.
5 citations
ACS Applied Nano Materials
Nanoplatforms for cancer theranostics
0.92
article

Nanoformulation of the Photoactive Cisplatin Prodrug for Combined Photothermal Therapy and Bioimaging

Dmitry A. Skvortsov, Вита Н. Никитина, Yu. V. Maksimova, Maxim A. Abakumov, Dmitry A. Bunin, E. V. Khaydukov, Alexander S. Erofeev, Elena Kimovna Beloglazkina, Alexander G. Martynov, E. M. Trifanova, И. А. Родин, Vadim S. Pokrovsky, M. E. Stepanov, Roman Akasov, Mikhail F. Vokuev, Olga Olegovna Krasnovskaya, Vladislav Bykusov, А. С. Дубенский, Daria A. Ipatova, Petr V. Gorelkin, Daniil V. Spector, Gulalek Babayeva, Regina Kuanaeva, Yulia A. Isaeva, Ilia Kuzmichev, T. R. Uskova, Anastasia Zharova
article en
5 citations

Abstract

Cancer phototheranostics is a new mode of precise treatment based on fluorescent and photothermal imaging (PTI), combined with photodynamic (PDT) and photothermal therapy (PTT). Herein, we designed a photoactive Pt(IV) prodrug Pt-1 with BODIPY-based triplet photosensitizer as an axial ligand that exhibits cytotoxic effects through both PDT and photoactivated chemotherapy (PACT). Based on the Pt-1 prodrug, we developed a multifunctional theranostic nanoplatform Pt-NPs with combined PDT/PTT activity, capable of light-induced cisplatin release and suitable for photothermal and fluorescent tumor imaging. Upon 660 nm laser irradiation, Pt-NPs efficiently causes regional hyperpyrexia, with a photothermal conversion efficiency of 42.1%. Synergistically, Pt-NPs acts as a PDT type I agent. In vivo PTI studies have shown bright fluorescence of the CT-26 tumor after intravenous injection of Pt-NPs, indicating accumulation and retention of Pt-NPs in the tumor. This is the first example of PTT/PDT-active NPs based on Pt(IV) prodrug capable of photoinduced release of cisplatin. This strategy of the synergistic light-induced PDT/PTT/PACT action of Pt-NPs provides a new platform for the future design of phototheranostic agents for enhanced tumor treatment and imaging.

ACS Applied Nano MaterialsVol. 7(22)
National University of Science and Technology (RU), Peoples' Friendship University of Russia (RU), D. Mendeleyev University of Chemical Technology of Russia (RU), Moscow State Pedagogical University (RU), Sechenov University (RU), Lomonosov Moscow State University (RU), Pirogov Russian National Research Medical University (RU), Frumkin Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences (RU), Institute of Synthetic Polymeric Materials (RU), Geological Institute (RU), Federal Medical Research Centre for Psychiatry and Narcology (RU), National Medical Research Center of Dentistry and Maxillofacial Surgery (RU)
Russian Science Foundation, Ministry of Science and Higher Education of the Russian Federation
Good health and well-being
Openalex Percentile: Top 27%
Nanoplatforms for cancer theranostics
0.92
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