Granulocytic myeloid derived suppressor cells expansion during active pulmonary tuberculosis is associated with high nitric oxide plasma level

Sary El Daker, Alessandra Sacchi, Massimo Tempestilli, Claudia Carducci, Delia Goletti, Valentina Vanini, Vittorio Colizzi, Francesco Nicola Lauria, Federico Martini, Angelo Martino

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Tuberculosis (TB) is still the principal cause of death caused by a single infectious agent, and the balance between the bacillus and host defense mechanisms reflects the different manifestations of the pathology. The aim of this work was to study the role of myeloid-derived suppressor cells (MDSCs) during active pulmonary tuberculosis at the site of infection. We observed an expansion of MDSCs in the lung and blood of patients with active TB, which are correlated with an enhanced amount of nitric oxide in the plasma. We also found that these cells have the remarkable ability to suppress T-cell response, suggesting an important role in the modulation of the immune response against TB. Interestingly, a trend in the diminution of MDSCs was found after an efficacious anti-TB therapy, suggesting that these cells may be used as a potential biomarker for monitoring anti-TB therapy efficacy.

Original languageEnglish
Article numbere0123772
JournalPLoS One
Volume10
Issue number4
DOIs
Publication statusPublished - Apr 16 2015

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suppressor cells
T-cells
Biomarkers
Pathology
Bacilli
Pulmonary Tuberculosis
tuberculosis
nitric oxide
Nitric Oxide
Tuberculosis
Blood
lungs
Modulation
Plasmas
Monitoring
therapeutics
Cell- and Tissue-Based Therapy
Bacillus
Cause of Death
defense mechanisms

ASJC Scopus subject areas

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

Cite this

Granulocytic myeloid derived suppressor cells expansion during active pulmonary tuberculosis is associated with high nitric oxide plasma level. / Daker, Sary El; Sacchi, Alessandra; Tempestilli, Massimo; Carducci, Claudia; Goletti, Delia; Vanini, Valentina; Colizzi, Vittorio; Lauria, Francesco Nicola; Martini, Federico; Martino, Angelo.

In: PLoS One, Vol. 10, No. 4, e0123772, 16.04.2015.

Research output: Contribution to journalArticle

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AU - Vanini, Valentina

AU - Colizzi, Vittorio

AU - Lauria, Francesco Nicola

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