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Metabolomics:Open Access

ISSN: 2153-0769

Open Access

NMR Based Metabolomics Evaluation in Neonatal Calves with Acute Diarrhea and Suspected Sepsis: A New Approach for Biomarker/s

Abstract

Basoglu A, Baspinar N, Tenori L, Hu X and Yildiz R

Metabolic consequences of diarrhea-induced sepsis revealed by plasma 1H-Nuclear Magnetic Resonance (NMR) quantitative metabolomics. Diarrhea and sepsis is generally the most common cause of morbidity and mortality in pre-weaned calves. Traditional biomarkers for sepsis are mainly derived from host immune/inflammatory response. Various high-throughput omics technologies facilitate comprehensive screening of sepsis-specific biomarkers in human medicine. The aim of this first study was to reveal the new potential biomarkers in diarrhea-induced septic neonatal calves evaluating by 1H-NMR based quantitative metabolomics. Clinical and laboratory data revealed all the ill calves had leukocytosis, metabolic acidosis and failure of colostral passive transfer. This study produced quantitative data sets that presented differences between patients with diarrhea–induced sepsis and healthy subjects in the level of the water and lipid soluble metabolites. All the lipid soluble metabolites (e.g., sphingomyeline, various fatty acids, etc.) were significantly decreased in diseased calves. Changes in water soluble metabolites (increases in niacinamide, choline + phosphocholine, 2-methylglutarate and isopropanol, and decreases in formate, lysine-arginine, acetate, creatine) were meaningful for pathogenic mechanisms of sepsis. This pilot study showed the implementation of plasma 1H-NMR quantitative metabolomics because it produced a physiologically relevant metabolite data set that distinguished diarrhea-induced sepsis from healthy ones. The metabolites identified and quantified in the study may be new potential biomarkers for systemic inflammatory response syndrome in calf sepsis.

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