Plasma MMP7 concentrations are significantly higher in IPF patients than in healthy controls, (14.40 ± 6.55 ng/mL vs 6.03 ± 2.51 ng/mL, p < 0.001) and a threshold of >12.1 ng/mL predicts mortality [6,7]. The gene discussed is MMP7; the disease is idiopathic pulmonary fibrosis.