MiRNA signatures in sera of patients with active pulmonary tuberculosis

Paolo Miotto, Grace Mwangoka, Ilaria C. Valente, Luca Norbis, Giovanni Sotgiu, Roberta Bosu, Alessandro Ambrosi, Luigi R. Codecasa, Delia Goletti, Alberto Matteelli, Elias N. Ntinginya, Francesco Aloi, Norbert Heinrich, Klaus Reither, Daniela M. Cirillo

Research output: Contribution to journalArticle

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Abstract

Several studies showed that assessing levels of specific circulating microRNAs (miRNAs) is a non-invasive, rapid, and accurate method for diagnosing diseases or detecting alterations in physiological conditions. We aimed to identify a serum miRNA signature to be used for the diagnosis of tuberculosis (TB). To account for variations due to the genetic makeup, we enrolled adults from two study settings in Europe and Africa. The following categories of subjects were considered: healthy (H), active pulmonary TB (PTB), active pulmonary TB, HIV co-infected (PTB/HIV), latent TB infection (LTBI), other pulmonary infections (OPI), and active extra-pulmonary TB (EPTB). Sera from 10 subjects of the same category were pooled and, after total RNA extraction, screened for miRNA levels by TaqMan low-density arrays. After identification of "relevant miRNAs", we refined the serum miRNA signature discriminating between H and PTB on individual subjects. Signatures were analyzed for their diagnostic performances using a multivariate logistic model and a Relevance Vector Machine (RVM) model. A leave-one-out-cross-validation (LOOCV) approach was adopted for assessing how both models could perform in practice. The analysis on pooled specimens identified selected miRNAs as discriminatory for the categories analyzed. On individual serum samples, we showed that 15 miRNAs serve as signature for H and PTB categories with a diagnostic accuracy of 82% (CI 70.2-90.0), and 77% (CI 64.2-85.9) in a RVM and a logistic classification model, respectively. Considering the different ethnicity, by selecting the specific signature for the European group (10 miRNAs) the diagnostic accuracy increased up to 83% (CI 68.1-92.1), and 81% (65.0-90.3), respectively. The African-specific signature (12 miRNAs) increased the diagnostic accuracy up to 95% (CI 76.4-99.1), and 100% (83.9-100.0), respectively. Serum miRNA signatures represent an interesting source of biomarkers for TB disease with the potential to discriminate between PTB and LTBI, but also among the other categories.

Original languageEnglish
Article numbere80149
JournalPLoS One
Volume8
Issue number11
DOIs
Publication statusPublished - Nov 21 2013

Fingerprint

MicroRNAs
microRNA
Pulmonary Tuberculosis
tuberculosis
lungs
Serum
Lung
Logistics
Tuberculosis
Logistic Models
infection
Latent Tuberculosis
Biomarkers
logit analysis
nationalities and ethnic groups
Infection
biomarkers
HIV
RNA

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

Miotto, P., Mwangoka, G., Valente, I. C., Norbis, L., Sotgiu, G., Bosu, R., ... Cirillo, D. M. (2013). MiRNA signatures in sera of patients with active pulmonary tuberculosis. PLoS One, 8(11), [e80149]. https://doi.org/10.1371/journal.pone.0080149

MiRNA signatures in sera of patients with active pulmonary tuberculosis. / Miotto, Paolo; Mwangoka, Grace; Valente, Ilaria C.; Norbis, Luca; Sotgiu, Giovanni; Bosu, Roberta; Ambrosi, Alessandro; Codecasa, Luigi R.; Goletti, Delia; Matteelli, Alberto; Ntinginya, Elias N.; Aloi, Francesco; Heinrich, Norbert; Reither, Klaus; Cirillo, Daniela M.

In: PLoS One, Vol. 8, No. 11, e80149, 21.11.2013.

Research output: Contribution to journalArticle

Miotto, P, Mwangoka, G, Valente, IC, Norbis, L, Sotgiu, G, Bosu, R, Ambrosi, A, Codecasa, LR, Goletti, D, Matteelli, A, Ntinginya, EN, Aloi, F, Heinrich, N, Reither, K & Cirillo, DM 2013, 'MiRNA signatures in sera of patients with active pulmonary tuberculosis', PLoS One, vol. 8, no. 11, e80149. https://doi.org/10.1371/journal.pone.0080149
Miotto P, Mwangoka G, Valente IC, Norbis L, Sotgiu G, Bosu R et al. MiRNA signatures in sera of patients with active pulmonary tuberculosis. PLoS One. 2013 Nov 21;8(11). e80149. https://doi.org/10.1371/journal.pone.0080149
Miotto, Paolo ; Mwangoka, Grace ; Valente, Ilaria C. ; Norbis, Luca ; Sotgiu, Giovanni ; Bosu, Roberta ; Ambrosi, Alessandro ; Codecasa, Luigi R. ; Goletti, Delia ; Matteelli, Alberto ; Ntinginya, Elias N. ; Aloi, Francesco ; Heinrich, Norbert ; Reither, Klaus ; Cirillo, Daniela M. / MiRNA signatures in sera of patients with active pulmonary tuberculosis. In: PLoS One. 2013 ; Vol. 8, No. 11.
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