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Application of NMR-Based metabolomics to biomedical problems

Grant number: 15/02534-8
Support type:Scholarships abroad - Research Internship - Doctorate
Effective date (Start): July 01, 2015
Effective date (End): June 30, 2016
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Analytical Chemistry
Principal researcher:Luiz Alberto Colnago
Grantee:Paulo Falco Cobra
Supervisor abroad: John Lute Markley
Home Institution: Embrapa Instrumentação Agropecuária. Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA). Ministério da Agricultura, Pecuária e Abastecimento (Brasil). São Carlos , SP, Brazil
Research place: University of Wisconsin-Madison (UW-Madison), United States  
Associated to the scholarship:12/12847-5 - Analysis of leishmaniasis metabolic profile by NMR, BP.DR

Abstract

Nuclear Magnetic Resonance (NMR) nowadays is an important tool in the study of metabolites and has been used for over 20 years to determine metabolic profiles. Metabolic research is usually divided into metabolomics (the identification and quantification of biological system or organism's metabolites, kept under normal conditions) and metabonomics (the analysis of these metabolites when these biological systems or organisms undergo changes in response to pathophysiological stimuli or genetic modification). A great advantage of the technique is that sample preparation for NMR metabolomics experiments is relatively minimal. Using a simple technique, it is possible to identify 20 to 40 metabolites in tissue extracts, 30 to 100 metabolites in urine and up to 65 metabolites in blood plasma or serum. For metabolite identification in NMR spectra, ChenoMX® software is used. However, this software often provides numerous hits on unknown metabolites, and, hence, can lead to incorrect metabolite identification. Thereby, the main goal of this internship project is to learn the metabolite identification methodologies already in use by the NMRFAM group and participate in the developing and testing of the ones that are still under development. The methodology used by the group will allow better and more accurate identification of Leishmania sp. metabolites, the student's PhD topic. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
GANDHI, N. N.; COBRA, P. F.; STEELE, J. L.; MARKLEY, J. L.; RANKIN, S. A. Lactobacillus demonstrate thiol-independent metabolism of methylglyoxal: Implications toward browning prevention in Parmesan cheese. JOURNAL OF DAIRY SCIENCE, v. 101, n. 2, p. 968-978, FEB 2018. Web of Science Citations: 1.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.