Study of IL-6 and vitamin D3 in patients of pulmonary tuberculosis - PubMed (original) (raw)
. 2019 Jul;66(3):337-345.
doi: 10.1016/j.ijtb.2018.05.018. Epub 2018 Jun 28.
Affiliations
- PMID: 31439177
- DOI: 10.1016/j.ijtb.2018.05.018
Study of IL-6 and vitamin D3 in patients of pulmonary tuberculosis
Shubhangi M Dalvi et al. Indian J Tuberc. 2019 Jul.
Abstract
Background: Mycobacterium tuberculosis can grow in hostile intracellular environment of macrophages by actively evading macrophage-associated antibacterial activities. The stress response factor contributes this process by releasing inflammatory cytokine Interleukin 6 (IL-6). IL-6 screening of patients with TB may be useful to monitor the progress of infection and to infer the risk of progression to active disease. Vitamin D has a critical role in the innate immune system, in the circulating metabolite and supports induction of pleiotropic antimicrobial responses, through the production of antimicrobial peptides, particularly cathelicidin and its active metabolite. 1,25-dihydoxyvitamin D, has long been known to enhance immune response to mycobacteria. In this study, we have studied the role of IL-6 and Vitamin D3 in M. tuberculosis.
Materials and methods: Three groups involved in this study are Control, Category I (newly diagnosed TB) and MDR TB patients. The serum levels of IL-6 and vitamin D3 were measured using chemiluminescence and fully-automated enzyme-linked immunosorbent assay respectively.
Results: The serum levels of IL-6 were significantly increased, whereas vitamin D3 decreased in TB multidrug-resistant group of patients compared to the newly diagnosed TB patients.
Conclusion: IL-6 appears to be the major cytokine elaborated by mycobacteria infection as well as play a role in the clinical manifestations and pathological events and hence may function as a potent biomarker of tuberculosis. Since, Vitamin D increases activity of cell-mediated immunity; it can be used as a supplementation during tuberculosis therapy.
Keywords: Cytokine; Pulmonary TB; Vitamin D3.
Copyright © 2018 Tuberculosis Association of India. Published by Elsevier B.V. All rights reserved.
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