Metabolic fingerprinting of Schistosoma mansoni infection in mice urine with capillary electrophoresis.

Full Abstract

Schistosoma mansoni infection in mice has been fingerprinted using CE to study the capabilities of this technique as a diagnostic tool for this parasitic disease. Two modes of separation were used in generating the electrophoretic data, with each untreated urine sample the following methods were applied:
(i) a fused-silica capillary, operating with an applied potential of 18 kV, in micellar EKC (MEKC) and (ii) a polyacrylamide-coated capillary, operating with an applied potential of -20 kV under zonal CZE conditions. By combining normal and reverse polarities in the data treatment we have extracted more information from the samples, which is a better approach for CE metabolomics. The traditional problems associated with variability in electrophoretic peak migration times for analytes were countered by using a dynamic programming algorithm for the electropherograms alignment. Principal component analyses of these aligned electropherograms and partial least square discriminant analysis (PLS-DA) data are shown to provide a valuable means of rapid and sample classification. This approach may become an important tool for the identification of biomarkers, diagnosis and disease surveillance.

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Author information

First Name	LastName	Initials
	García-Pérez	I
	Whitfield	P
	Bartlett	A
	Angulo	S
	Legido-Quigley	C
	Hanna-Brown	M
	Barbas	C

Affiliation: Facultad de Farmacia, Universidad San Pablo-CEU, Campus Montepríncipe, Boadilla del Monte, Madrid, Spain.

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Journal and publication information

Publication Type: JOURNAL ARTICLE

Journal: Electrophoresis (Electrophoresis).

Reference: 2008-Jul; vol (issue ) : pp

Language: ENG

PMID: 18633941 (status: Publisher) (last retrieval date: 7/19/2008)

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