PMID: 11899064Mar 20, 2002Paper

Metabonomic applications in toxicity screening and disease diagnosis

Current Topics in Medicinal Chemistry
John P Shockcor, Elaine Holmes

Abstract

Biofluid NMR spectroscopy is a powerful tool providing a comprehensive metabolic profile of the low molecular weight components in biofluids that reflect concentrations and fluxes of endogenous metabolites involved in key intermediary cellular pathways, thereby giving an indication of an organisms physiological or pathophysiological status [1]. The interaction of pharmacological agents with cells and tissues can also be monitored using recently developed high resolution magic-angle spinning (HRMAS) NMR spectroscopic technology for biological matrices [1]. However, recent developments in both spectrometer and software technology has resulted in improved capacity for sample handling, leading to a rapid growth in the size of toxicological spectral databases, and increased the complexity of the biological spectral data generated. Thus more emphasis has been placed on the need to develop improved automated procedures for data processing and interpretation. By harnessing chemometric tools for analysis of complex spectral data, the toxicological consequences of xenobiotic exposure can be evaluated efficiently on line. Automation of spectral processing procedures and the construction of mathematically based 'expert systems' for the pre...Continue Reading

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