Additionally, MMP-1, -2, -3, -7, -8, and -9 concentrations in BALF are increased in patients with TB compared to respiratory control subjects with a diverse range of pulmonary diagnoses, including smoking-related bronchitis, pneumonia, carcinoma, sarcoidosis, foreign body aspiration, and pulmonary vasculitis [38] (Figure 1). The gene discussed is MMP1; the disease is tuberculosis.