Background: TSG-6, an inflamation-associated protein, forms covalent complexes with heavy-chains from TNF. These protein potentiating the antiplasmin activity of this serine protease inhibitor. The aim of study was to determine and show that TSG-6 are present in Bronchoalveolar Lavage (BAL) from patients with lung TB and heavy smoker. Design and Methods : Experiments conducted in vitro with pu…