73.8 ± 1.0% of cells in IPF specimens were positive for GR-β expression, greater than the cells in the lung biopsies of patients with COP (55.7 ± 3.8%, p < 0.0001) and sarcoidosis (58.2 ± 3.7%, p < 0.001) (Figure 3B). This evidence concerns the gene GZMB and idiopathic pulmonary fibrosis.