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Metabolomic profiling of human bladder tissue extracts

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Abstract

Introduction

Bladder cancer is a common malignancy affecting the urinary tract and effective biomarkers and for which monitoring therapeutic interventions have yet to be identified.

Objectives

Major aim of this work was to perform metabolomic profiling of human bladder cancer and adjacent normal tissue and to evaluate cancer biomarkers.

Methods

This study utilized nuclear magnetic resonance (NMR) and high-resolution nanoparticle-based laser desorption/ionization mass spectrometry (LDI-MS) methods to investigate polar metabolite profiles in tissue samples from 99 bladder cancer patients.

Results

Through NMR spectroscopy, six tissue metabolites were identified and quantified as potential indicators of bladder cancer, while LDI-MS allowed detection of 34 compounds which distinguished cancer tissue samples from adjacent normal tissue. Thirteen characteristic tissue metabolites were also found to differentiate bladder cancer tumor grades and thirteen metabolites were correlated with tumor stages. Receiver-operating characteristics analysis showed high predictive power for all three types of metabolomics data, with area under the curve (AUC) values greater than 0.853.

Conclusion

To date, this is the first study in which bladder human normal tissues adjacent to cancerous tissues are analyzed using both NMR and MS method. These findings suggest that the metabolite markers identified in this study may be useful for the detection and monitoring of bladder cancer stages and grades.

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Data availability

The data that support the findings of this study are available from the corresponding author upon reasonable request.

References

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Acknowledgements

Research was supported mainly by National Science Centre (Poland), research project SONATA Number UMO-2018/31/D/ST4/00109. 1H NMR spectra were recorded at Montana State University-Bozeman on a cryoprobe-equipped 600 MHz (14 Tesla) AVANCE III solution NMR spectrometer housed in MSU’s NMR Center. Funding for MSU NMR Center’s NMR instruments has been provided in part by the NIH SIG program (1S10RR13878 and 1S10RR026659), the National Science Foundation (NSF-MRI:DBI-1532078, NSF-MRI CHE: 2018388), the Murdock Charitable Trust Foundation (2015066:MNL), and support from the office of the Vice President for Research, Economic Development, and Graduate Education at MSU.

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Authors and Affiliations

Authors

Contributions

Investigation: KO, TR, AP, AK, JN; Methodology: KO, TR, JN; Resources: KO, TR, VC, BPT, AO, TO, JN; Data Curation: TR, VC, BPT, JN, AK, AP; Formal analysis: JN; Visualization: JN, BPT; Writing—original draft: KO, ZK, JN; Writing—review and editing: VC, TR, BPT, JN; Supervision: JN, TR; Funding acquisition: JN, BPT, VC; Project administration: JN.

Corresponding author

Correspondence to Joanna Nizioł.

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Conflict of interest

The authors declare no competing financial and/or non-financial interests.

Consent to participate

The patients provided written consent for participate in research.

Consent for publication

The patients provided written informed consent for the publication of any associated data.

Ethical approval

The study protocol was approved by local Bioethics Committee at the University of Rzeszow (Poland) (permission no. 2018/04/10).

Research involving human and/or animal participants

This article does not contain any studies with human and/or animal participants performed by either of the authors.

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Cite this article

Ossoliński, K., Ruman, T., Copié, V. et al. Metabolomic profiling of human bladder tissue extracts. Metabolomics 20, 14 (2024). https://doi.org/10.1007/s11306-023-02076-w

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  • DOI: https://doi.org/10.1007/s11306-023-02076-w

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