Gene expression profiling identifies candidate biomarkers for active and latent tuberculosis

BMC Bioinformatics
Shih-Wei LeeJulia Tzu-Ya Weng

Abstract

Tuberculosis (TB) is a serious infectious disease in that 90% of those latently infected with Mycobacterium tuberculosis present no symptoms, but possess a 10% lifetime chance of developing active TB. To prevent the spread of the disease, early diagnosis is crucial. However, current methods of detection require improvement in sensitivity, efficiency or specificity. In the present study, we conducted a microarray experiment, comparing the gene expression profiles in the peripheral blood mononuclear cells among individuals with active TB, latent infection, and healthy conditions in a Taiwanese population. Bioinformatics analysis revealed that most of the differentially expressed genes belonged to immune responses, inflammation pathways, and cell cycle control. Subsequent RT-PCR validation identified four differentially expressed genes, NEMF, ASUN, DHX29, and PTPRC, as potential biomarkers for the detection of active and latent TB infections. Receiver operating characteristic analysis showed that the expression level of PTPRC may discriminate active TB patients from healthy individuals, while ASUN could differentiate between the latent state of TB infection and healthy condidtion. In contrast, DHX29 may be used to identify latentl...Continue Reading

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Citations

Jul 20, 2016·Biochimica Et Biophysica Acta·Monica Rienzo, Amelia Casamassimi
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Aug 8, 2020·Frontiers in Immunology·Olivia EstévezÁfrica González-Fernández

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Datasets Mentioned

BETA
GSE62525

Methods Mentioned

BETA
PCR

Software Mentioned

Waikato Environment for Knowledge Analysis
WebGestalt )
SPSS
Rosetta Resolver System
LibSVM
WebGestalt
R
WEKA
Cytoscape
GEne SeT AnaLysis Toolkit (

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