Abstract
Search for indicators of neurodegenerative disorders is a hot topic where much research remains to be done. Our aim was to determine proton nuclear magnetic resonance (1H-NMR) spectra of brain metabolites in the trimethyltin (TMT) model of neurodegeneration. Male Wistar rats were subjected to TMT or saline and were sacrificed on day 3 or 24 after administration. 1H-NMR spectrum was measured on the 600 MHz Varian VNMRS spectrometer in nano-probe in the volume of 40 μl of hippocampal extracts. TMT administration resulted in reduction of the hippocampal weight on day 24. Of the sixteen identified metabolite spectra, decreased aspartate and increased glutamine contents were observed in the initial asymptomatic stage of neurodegeneration on day 3 in hippocampal extracts of TMT exposed rats compared to sham animals. Increased myo-inositol content was observed on day 24. The presented data provide further knowledge about this experimental model and putative indicators of neuronal damage.
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Acknowledgments
The study was supported by the Slovak Grant Agency for Science VEGA 2/0054/15. The authors thank to Mrs. Julia Polakova for her technical assistance.
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All procedures involving animals were performed in compliance with the Principles of Laboratory Animal Care issued by the Ethical Committee of the Institute of Experimental Pharmacology and Toxicology, Slovak Academy of Sciences of Slovakia and by the State Veterinary and Food Administration of Slovakia. The welfare of animals used for research was respected.
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Gasparova, Z., Pronayova, N., Stara, V. et al. In Vitro Metabolomic Approach to Hippocampal Neurodegeneration Induced by Trimethyltin. Neurochem Res 41, 715–721 (2016). https://doi.org/10.1007/s11064-015-1740-9
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DOI: https://doi.org/10.1007/s11064-015-1740-9