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Wang M, Kono M, Yamaguchi Y, Islam J, Shoji S, Kitagawa Y, Fushimi K, Watanabe S, Matsuba G, Yamamoto A, Tanaka M, Tsuda M, Tanaka S, Hasegawa Y. Structure-changeable luminescent Eu(III) complex as a human cancer grade probing system for brain tumor diagnosis. Sci Rep 2024; 14:778. [PMID: 38253656 PMCID: PMC10803341 DOI: 10.1038/s41598-023-50138-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 12/15/2023] [Indexed: 01/24/2024] Open
Abstract
Accurate determination of human tumor malignancy is important for choosing efficient and safe therapies. Bioimaging technologies based on luminescent molecules are widely used to localize and distinguish active tumor cells. Here, we report a human cancer grade probing system (GPS) using a water-soluble and structure-changeable Eu(III) complex for the continuous detection of early human brain tumors of different malignancy grades. Time-dependent emission spectra of the Eu(III) complexes in various types of tumor cells were recorded. The radiative rate constants (kr), which depend on the geometry of the Eu(III) complex, were calculated from the emission spectra. The tendency of the kr values to vary depended on the tumor cells at different malignancy grades. Between T = 0 and T = 3 h of invasion, the kr values exhibited an increase of 4% in NHA/TS (benign grade II gliomas), 7% in NHA/TSR (malignant grade III gliomas), and 27% in NHA/TSRA (malignant grade IV gliomas). Tumor cells with high-grade malignancy exhibited a rapid upward trend in kr values. The cancer GPS employs Eu(III) emissions to provide a new diagnostic method for determining human brain tumor malignancy.
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Affiliation(s)
- Mengfei Wang
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, Hokkaido, 001-0021, Japan.
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, 060-8628, Japan.
| | - Masaya Kono
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo, Hokkaido, 060-8628, Japan
| | - Yusaku Yamaguchi
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo, Hokkaido, 060-8628, Japan
| | - Jahidul Islam
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, 060-8628, Japan
| | - Sunao Shoji
- Department of Engineering, Nara Women's University, Nara, 630-8506, Japan
| | - Yuichi Kitagawa
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, Hokkaido, 001-0021, Japan
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, 060-8628, Japan
| | - Koji Fushimi
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, 060-8628, Japan
| | - Sora Watanabe
- Graduate School of Organic Material Engineering, Yamagata University, Yonezawa, Yamagata, 992-8510, Japan
| | - Go Matsuba
- Graduate School of Organic Material Engineering, Yamagata University, Yonezawa, Yamagata, 992-8510, Japan
| | - Akihisa Yamamoto
- Center for Integrative Medicine and Physics, Institute for Advanced Study, Kyoto University, Kyoto, 606-8501, Japan
| | - Motomu Tanaka
- Center for Integrative Medicine and Physics, Institute for Advanced Study, Kyoto University, Kyoto, 606-8501, Japan
- Physical Chemistry of Biosystems, Institute of Physical Chemistry, Heidelberg University, 69120, Heidelberg, Germany
| | - Masumi Tsuda
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, Hokkaido, 001-0021, Japan
- Department of Cancer Pathology, Faculty of Medicine, Hokkaido University, Sapporo, Hokkaido, 060-8638, Japan
| | - Shinya Tanaka
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, Hokkaido, 001-0021, Japan
- Department of Cancer Pathology, Faculty of Medicine, Hokkaido University, Sapporo, Hokkaido, 060-8638, Japan
| | - Yasuchika Hasegawa
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, Hokkaido, 001-0021, Japan.
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, 060-8628, Japan.
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