In IPF patients, an enhanced expression of IL-1β (2.23 fold), IL-8 (>10 fold), IL-17 A (9.67 fold) and IL-33 (3.59 fold) in BALF and IL-2 (10 fold), IL-8 (> 10 fold), IL-10 (10.12 fold), IL-12 (6.92 fold) in serum was found as compared to healthy control (128). This evidence concerns the gene CXCL8 and idiopathic pulmonary fibrosis.