Sarcoidosis: Role of non-tuberculosis mycobacteria and Mycobacterium tuberculosis

Sarcoidosis is a granulomatous inflammatory disease that is induced by unknown antigen(s) in a genetically susceptible host. Although the direct link between Mycobacterium tuberculosis (MTB) infection and sarcoidosis can be excluded on the basis of current knowledge, non-infectious mechanisms may ex...

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Main Authors: Esmaeil Mortaz, Ian N Adcock, Peter J Barnes
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2014-01-01
Series:International Journal of Mycobacteriology
Subjects:
Online Access:http://www.ijmyco.org/article.asp?issn=2212-5531;year=2014;volume=3;issue=4;spage=225;epage=229;aulast=Mortaz
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author Esmaeil Mortaz
Ian N Adcock
Peter J Barnes
author_facet Esmaeil Mortaz
Ian N Adcock
Peter J Barnes
author_sort Esmaeil Mortaz
collection DOAJ
description Sarcoidosis is a granulomatous inflammatory disease that is induced by unknown antigen(s) in a genetically susceptible host. Although the direct link between Mycobacterium tuberculosis (MTB) infection and sarcoidosis can be excluded on the basis of current knowledge, non-infectious mechanisms may explain the causative role of mycobacterial antigens. Ever since sarcoidosis was first described, its relationship with tuberculosis (TB) has been under-investigated. Whereas some researchers consider sarcoidosis and TB as two examples of the same disease process, others have rejected mycobacteria as playing any causative role in sarcoidosis. Whether they are linked causally or not, clinical evidence makes a differential diagnosis between the two conditions very challenging, particularly in countries with high burden of TB. The present study analyzes the relationship between sarcoidosis and TB and its implications in clinical practice. The coincidence of TB and sarcoidosis and the higher incidence of mycobacterial DNA in biological samples of sarcoid patients have been reported by many authors. In addition, new evidence of a similarity in MTB phenotype in sarcoidosis is provided. Overall, these observations suggest that TB and sarcoidosis may not only share the same etiology, but may even be different aspects of one disease.
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spelling doaj.art-7d700b65c5514e3a95dd1c03a303ffcc2022-12-21T23:49:22ZengWolters Kluwer Medknow PublicationsInternational Journal of Mycobacteriology2212-55312212-554X2014-01-013422522910.1016/j.ijmyco.2014.10.008Sarcoidosis: Role of non-tuberculosis mycobacteria and Mycobacterium tuberculosisEsmaeil MortazIan N AdcockPeter J BarnesSarcoidosis is a granulomatous inflammatory disease that is induced by unknown antigen(s) in a genetically susceptible host. Although the direct link between Mycobacterium tuberculosis (MTB) infection and sarcoidosis can be excluded on the basis of current knowledge, non-infectious mechanisms may explain the causative role of mycobacterial antigens. Ever since sarcoidosis was first described, its relationship with tuberculosis (TB) has been under-investigated. Whereas some researchers consider sarcoidosis and TB as two examples of the same disease process, others have rejected mycobacteria as playing any causative role in sarcoidosis. Whether they are linked causally or not, clinical evidence makes a differential diagnosis between the two conditions very challenging, particularly in countries with high burden of TB. The present study analyzes the relationship between sarcoidosis and TB and its implications in clinical practice. The coincidence of TB and sarcoidosis and the higher incidence of mycobacterial DNA in biological samples of sarcoid patients have been reported by many authors. In addition, new evidence of a similarity in MTB phenotype in sarcoidosis is provided. Overall, these observations suggest that TB and sarcoidosis may not only share the same etiology, but may even be different aspects of one disease.http://www.ijmyco.org/article.asp?issn=2212-5531;year=2014;volume=3;issue=4;spage=225;epage=229;aulast=MortazSarcoidosisMycobacterium tuberculosisNon-tuberculosis mycobacteriumLung
spellingShingle Esmaeil Mortaz
Ian N Adcock
Peter J Barnes
Sarcoidosis: Role of non-tuberculosis mycobacteria and Mycobacterium tuberculosis
International Journal of Mycobacteriology
Sarcoidosis
Mycobacterium tuberculosis
Non-tuberculosis mycobacterium
Lung
title Sarcoidosis: Role of non-tuberculosis mycobacteria and Mycobacterium tuberculosis
title_full Sarcoidosis: Role of non-tuberculosis mycobacteria and Mycobacterium tuberculosis
title_fullStr Sarcoidosis: Role of non-tuberculosis mycobacteria and Mycobacterium tuberculosis
title_full_unstemmed Sarcoidosis: Role of non-tuberculosis mycobacteria and Mycobacterium tuberculosis
title_short Sarcoidosis: Role of non-tuberculosis mycobacteria and Mycobacterium tuberculosis
title_sort sarcoidosis role of non tuberculosis mycobacteria and mycobacterium tuberculosis
topic Sarcoidosis
Mycobacterium tuberculosis
Non-tuberculosis mycobacterium
Lung
url http://www.ijmyco.org/article.asp?issn=2212-5531;year=2014;volume=3;issue=4;spage=225;epage=229;aulast=Mortaz
work_keys_str_mv AT esmaeilmortaz sarcoidosisroleofnontuberculosismycobacteriaandmycobacteriumtuberculosis
AT iannadcock sarcoidosisroleofnontuberculosismycobacteriaandmycobacteriumtuberculosis
AT peterjbarnes sarcoidosisroleofnontuberculosismycobacteriaandmycobacteriumtuberculosis