Molecules (Jul 2021)

Optimization of Sample Preparation for Metabolomics Exploration of Urine, Feces, Blood and Saliva in Humans Using Combined NMR and UHPLC-HRMS Platforms

  • Cécile Martias,
  • Nadine Baroukh,
  • Sylvie Mavel,
  • Hélène Blasco,
  • Antoine Lefèvre,
  • Léa Roch,
  • Frédéric Montigny,
  • Julie Gatien,
  • Laurent Schibler,
  • Diane Dufour-Rainfray,
  • Lydie Nadal-Desbarats,
  • Patrick Emond

DOI
https://doi.org/10.3390/molecules26144111
Journal volume & issue
Vol. 26, no. 14
p. 4111

Abstract

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Currently, most clinical studies in metabolomics only consider a single type of sample such as urine, plasma, or feces and use a single analytical platform, either NMR or MS. Although some studies have already investigated metabolomics data from multiple fluids, the information is limited to a unique analytical platform. On the other hand, clinical studies investigating the human metabolome that combine multi-analytical platforms have focused on a single biofluid. Combining data from multiple sample types for one patient using a multimodal analytical approach (NMR and MS) should extend the metabolome coverage. Pre-analytical and analytical phases are time consuming. These steps need to be improved in order to move into clinical studies that deal with a large number of patient samples. Our study describes a standard operating procedure for biological specimens (urine, blood, saliva, and feces) using multiple platforms (1H-NMR, RP-UHPLC-MS, and HILIC-UHPLC-MS). Each sample type follows a unique sample preparation procedure for analysis on a multi-platform basis. Our method was evaluated for its robustness and was able to generate a representative metabolic map.

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