Transcriptomics

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Diagnostic performance of transcriptomic signatures for the evaluation of suspected tuberculosis in routine clinical practice


ABSTRACT: Background: Blood transcriptomic signatures for diagnosis of tuberculosis (TB) have shown promise in case-control studies but their diagnostic accuracy has not been prospectively validated in adults presenting with the full clinical spectrum of suspected TB, including extra-pulmonary TB, and its associated differential diagnoses with concomitant latent TB infection. Methods: Our study was nested within a prospective multi-center cohort study in secondary care in England. Patients had whole-blood taken for microarray to measure abundance of 47,275 transcripts and interferon-gamma release assays (IGRAs) at clinical presentation with suspected TB and were followed up for 6-12 months’ to determine final diagnoses based on pre-defined diagnostic criteria. The diagnostic accuracy of published transcriptomic signatures and a novel cohort-derived signature were assessed to generate area under the receiver-operating characteristic curves (AUC), sensitivities and specificities.

ORGANISM(S): Homo sapiens

PROVIDER: GSE144127 | GEO | 2021/01/26

REPOSITORIES: GEO

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