RT Journal Article SR Electronic T1 Matrix metalloproteinases in tuberculosis JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP erj00154-2011 DO 10.1183/09031936.00015411 A1 P.T. Elkington A1 C.A. Ugarte-Gil A1 J.S. Friedland YR 2011 UL http://erj.ersjournals.com/content/early/2011/06/09/09031936.00015411.abstract AB Tuberculosis (TB) remains a global health pandemic. Infection is spread by the aerosol route and Mycobacterium tuberculosis (Mtb) must drive lung destruction to be transmitted to new hosts. Such inflammatory tissue damage is responsible for morbidity and mortality in patients. The underlying mechanisms of matrix destruction in TB remain poorly understood but consideration of the lung extracellular matrix predicts that MMPs will play a central role due to their unique ability to degrade fibrillar collagens and other matrix components. Since we proposed the concept of a matrix degrading phenotype in TB a decade ago, diverse data implicating MMPs as key mediators in TB pathology have accumulated. We review the lines of investigation that have indicated a critical role for MMPs in TB pathogenesis, consider regulatory pathways driving MMPs and propose that inhibition of MMP activity is a realistic goal as adjunctive therapy to limit immunopathology in TB.