Comparison of Three Widely Employed Extraction Methods for Metabolomic Analysis of Trypanosoma brucei.

Fall, Fanta;Desmet, Lieven;Mamede, Lúcia;Schioppa, Laura;Quetin-Leclercq, Joëlle;et.al.
(2024) Current protocols — Vol. 4, n° 5, p. e1043 (2024)

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Abstract
Trypanosoma brucei (Tb) is the causative agent of human African trypanosomiasis (HAT), also known as sleeping sickness, which can be fatal if left untreated. An understanding of the parasite's cellular metabolism is vital for the discovery of new antitrypanosomal drugs and for disease eradication. Metabolomics can be used to analyze numerous metabolic pathways described as essential to Tb. brucei but has some limitations linked to the metabolites' physicochemical properties and the extraction process. To develop an optimized method for extracting and analyzing Tb. brucei metabolites, we tested the three most commonly used extraction methods, analyzed the extracts by hydrophilic interaction liquid chromatography high-resolution mass spectrometry (HILIC LC-HRMS), and further evaluated the results using quantitative criteria including the number, intensity, reproducibility, and variability of features, as well as qualitative criteria such as the specific coverage of relevant metabolites. Here, we present the resulting protocols for untargeted metabolomic analysis of Tb. brucei using (HILIC LC-HRMS). © 2024 Wiley Periodicals LLC. Basic Protocol 1: Culture of Trypanosoma brucei brucei parasites Basic Protocol 2: Preparation of samples for metabolomic analysis of Trypanosoma brucei brucei Basic Protocol 3: LC-HRMS-based metabolomic data analysis of Trypanosoma brucei brucei.
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Fall, F., Desmet, L., Mamede, L., Schioppa, L., de Tullio, P., Frédérich, M., Govaerts, B., & Quetin-Leclercq, J. (2024). Comparison of Three Widely Employed Extraction Methods for Metabolomic Analysis of Trypanosoma brucei. Current protocols, 4(5), e1043. https://doi.org/10.1002/cpz1.1043 (Original work published 2024)