4.6 Article

Solid-State NMR-Based Metabolomics Imprinting Elucidation in Tissue Metabolites, Metabolites Inhibition, and Metabolic Hub in Zebrafish by Chitosan

Journal

METABOLITES
Volume 12, Issue 12, Pages -

Publisher

MDPI
DOI: 10.3390/metabo12121263

Keywords

zebrafish (Danio rerio); chitosan; metabolites; NMR spectroscopy; metabolomics; metabolic profiling; metabolic phenotyping

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In this study, the effect of chitosan on metabolite alteration in zebrafish tissue was investigated using solid-state H-1 nuclear magnetic resonance spectroscopy. The results showed that chitosan significantly impacted the metabolism of various molecules in zebrafish, including amino acids, glutathione, and trimethylamine. The study highlights the potential of chitosan-applied chemical metabolomics for discovering bioactive metabolites and gaining new insights into biological processes.
In this study, we demonstrated that chitosan-applied zebrafish (Danio rerio) tissue metabolite alteration, metabolic discrimination, and metabolic phenotypic expression occurred. The spectroscopy of solid-state H-1 nuclear magnetic resonance (ss H-1-NMR) has been used. Chitosan has no, or low, toxicity and is a biocompatible biomaterial; however, the metabolite mechanisms underlying the biological effect of chitosan are poorly understood. The zebrafish is now one of the most popular ecotoxicology models. Zebrafish were exposed to chitosan concentrations of 0, 50, 100, 200, and 500 mg/L, and the body tissue was subjected to metabolites-targeted profiling. The zebrafish samples were measured via solvent-suppressed and T-2-filtered methods with in vivo zebrafish metabolites. The metabolism of glutamate, glutamine, glutathione (GSH), taurine, trimethylamine (TMA), and its N-oxide (TMAO) is also significantly altered. Here, we report the quantification of metabolites and the biological application of chitosan. The metabolomics profile of chitosan in zebrafish has been detected, and the results indicated disturbed amino acid metabolism, the TCA cycle, and glycolysis. Our results demonstrate the potential of comparative metabolite profiling for discovering bioactive metabolites and they highlight the power of chitosan-applied chemical metabolomics to uncover new biological insights.

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