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Since the metabolic resources crucial for viral replication are provided by host cells, detection of changes in the metabolic profile associated with disease pathogenesis could help with the identification of markers of prognostic and diagnostic importance. We applied\n                    <jats:sup>1<\/jats:sup>\n                    H nuclear magnetic resonance exploratory metabolomics to study longitudinal changes in plasma metabolites in a cohort in Recife, Brazil. To gain statistical power, we used innovative paired multivariate analyses to discriminate individuals with primary and secondary infection presenting as dengue fever (DF; mild) and dengue hemorrhagic fever (DHF; severe) and subjects with a nonspecific nondengue (ND) illness (ND subjects). Our results showed that a decrease in plasma low-density lipoprotein (LDL) and very-low-density lipoprotein (VLDL) discriminated dengue virus (DENV)-infected subjects from ND subjects, and also, subjects with severe infection even presented a decrease in lipoprotein concentrations compared to the concentrations in subjects with mild infection. These results add to the ongoing discussion that the manipulation of lipid metabolism is crucial for DENV replication and infection. In addition, a decrease in plasma glutamine content was characteristic of DENV infection and disease severity, and an increase in plasma acetate levels discriminated subjects with DF and DHF from ND subjects. Several other metabolites shown to be altered in DENV infection and the implications of these alterations are discussed. We hypothesize that these changes in the plasma metabolome are suggestive of liver dysfunction, could provide insights into the underlying molecular mechanisms of dengue virus pathogenesis, and could help to discriminate individuals at risk of the development of severe infection and predict disease outcome.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>IMPORTANCE<\/jats:bold>\n                    Dengue, due to its global burden, is the most important mosquito-borne viral disease. There is no specific treatment for dengue disease, and early detection lowers fatality rates to below 1%. In this study, we observed the effects of dengue virus infection on the profile of small molecules in the blood of patients with mild and severe infection. Variations in the profiles of these small molecules reflected the replication of dengue virus in different tissues and the extent of tissue damage during infection. The results of this study showed that the molecules that changed the most were VLDL, LDL, and amino acids. We propose that these changes reflect liver dysfunction and also that they can be used to discriminate subjects with mild dengue from those with severe dengue.\n                  <\/jats:p>","DOI":"10.1128\/jvi.00187-16","type":"journal-article","created":{"date-parts":[[2016,6,9]],"date-time":"2016-06-09T00:05:43Z","timestamp":1465430743000},"page":"7429-7443","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":31,"title":["<sup>1<\/sup>\n                    H Nuclear Magnetic Resonance Metabolomics of Plasma Unveils Liver Dysfunction in Dengue Patients"],"prefix":"10.1128","volume":"90","author":[{"given":"Tatiana","family":"El-Bacha","sequence":"first","affiliation":[{"name":"Instituto de Bioqu\u00edmica M\u00e9dica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Claudio J.","family":"Struchiner","sequence":"additional","affiliation":[{"name":"Departamento de Doen\u00e7as End\u00eamicas Samuel Pessoa, Funda\u00e7\u00e3o Oswaldo Cruz, Rio de Janeiro, RJ, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marli Tenorio","family":"Cordeiro","sequence":"additional","affiliation":[{"name":"Virology and Experimental Therapy Laboratory, Aggeu Magalh\u00e3es Research Center, Fiocruz, Recife, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fabio C. L.","family":"Almeida","sequence":"additional","affiliation":[{"name":"Instituto de Bioqu\u00edmica M\u00e9dica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil"},{"name":"Centro Nacional de Biologia Estrutural e Bioimagem, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"suffix":"Jr","given":"Ernesto Torres","family":"Marques","sequence":"additional","affiliation":[{"name":"Virology and Experimental Therapy Laboratory, Aggeu Magalh\u00e3es Research Center, Fiocruz, Recife, Brazil"},{"name":"University of Pittsburgh Center for Vaccine Research, Pittsburgh, Pennsylvania, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrea T.","family":"Da Poian","sequence":"additional","affiliation":[{"name":"Instituto de Bioqu\u00edmica M\u00e9dica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1038\/nature12060"},{"key":"e_1_3_3_3_2","unstructured":"World Health Organization. 2015. 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