A prospective blood RNA signature for tuberculosis disease risk
Journal Title: | Lancet (London England), 2016-03-01, Vol.387 (10035), p.2312-2322 |
Main Author: | Zak, Daniel E. |
Other Authors: | Penn-Nicholson, Adam , Scriba, Thomas J. , Thompson, Ethan , Suliman, Sara , Amon, Lynn M. , Mahomed, Hassan , Erasmus, Mzwandile , Whatney, Wendy , Hussey, Gregory D. , Abrahams, Deborah , Kafaar, Fazlin , Hawkridge, Tony , Verver, Suzanne , Hughes, E. Jane , Ota, Martin , Sutherland, Jayne , Howe, Rawleigh , Dockrell, Hazel M. , Boom, W. Henry , Thiel, Bonnie , Ottenhoff, Tom H. M. , Mayanja-Kizza, Harriet , Crampin, Amelia C. , Downing, Katrina , Hatherill, Mark , Valvo, Joe , Shankar, Smitha , Parida, Shreemanta K. , Kaufmann, Stefan H. E. , Walzl, Gerhard , Aderem, Alan , Hanekom, Willem A. |
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English |
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Quelle: | Alma/SFX Local Collection |
ID: | ISSN: 0140-6736 |
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recordid: | cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_5392204 |
title: | A prospective blood RNA signature for tuberculosis disease risk |
format: | Article |
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ispartof: | Lancet (London, England), 2016-03-01, Vol.387 (10035), p.2312-2322 |
description: | Background Identification of blood biomarkers that prospectively predict progression of Mycobacterium tuberculosis infection to tuberculosis disease may lead to interventions that impact the epidemic. Methods Healthy, M. tuberculosis infected South African adolescents were followed for 2 years; blood was collected every 6 months. A prospective signature of risk was derived from whole blood RNA-Sequencing data by comparing participants who ultimately developed active tuberculosis disease (progressors) with those who remained healthy (matched controls). After adaptation to multiplex qRT-PCR, the signature was used to predict tuberculosis disease in untouched adolescent samples and in samples from independent cohorts of South African and Gambian adult progressors and controls. The latter participants were household contacts of adults with active pulmonary tuberculosis disease. Findings Of 6,363 adolescents screened, 46 progressors and 107 matched controls were identified. A 16 gene signature of risk was identified. The signature predicted tuberculosis progression with a sensitivity of 66·1% (95% confidence interval, 63·2–68·9) and a specificity of 80·6% (79·2–82·0) in the 12 months preceding tuberculosis diagnosis. The risk signature was validated in an untouched group of adolescents (p=0·018 for RNA-Seq and p=0·0095 for qRT-PCR) and in the independent South African and Gambian cohorts (p values |
language: | eng |
source: | Alma/SFX Local Collection |
identifier: | ISSN: 0140-6736 |
fulltext: | fulltext |
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