Proteomics

Dataset Information

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Discovery of serum protein biomarkers of Active Tuberculosis in HIV- and HIV+ Individuals (US center)

ABSTRACT: The overall goal of the project is to identify candidate biomarkers of Active infection with Mycobacterium tuberculosis (Mtb) in individuals with or without HIV. Samples were analyzed from two tuberculosis (TB) endemic countries, Brazil and South Africa (SA), as well as from the United States (US). The US site included patients that were in the early stages of Active TB, with mean symptom duration of 1.5 months. The subjects from the Brazil site had mean symptom duration of 6 months, and the SA site subjects had advanced TB. All sites also provided samples asymptomatic for TB or with Latent TB infection. The US and SA sites also had subjects with and without HIV co-infection, whereas the Brazilian subjects were all HIV-. This specific dataset corresponds to the Discovery step of the study, for the US center.

INSTRUMENT(S): Q-Tof ultima

ORGANISM(S): Homo Sapiens (human)

SUBMITTER: Eustache Paramithiotis  

LAB HEAD: Eustache Paramithiotis

PROVIDER: PXD000517 | Pride | 2019-11-22

REPOSITORIES: Pride

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Biomarkers for active tuberculosis (TB) are urgently needed to improve rapid TB diagnosis. The objective of this study was to identify serum protein expression changes associated with TB but not latent Mycobacterium tuberculosis infection (LTBI), uninfected states, or respiratory diseases other than TB (ORD). Serum samples from 209 HIV uninfected (HIV(-)) and co-infected (HIV(+)) individuals were studied. In the discovery phase samples were analyzed via liquid chromatography and mass spectrometr  ...[more]

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