NID2 and idiopathic pulmonary fibrosis: Nidogen-2 and Collagen type VI (α 1,2,3 chain) were clustered together as more abundant in IPF scaffolds in comparison to healthy scaffolds, whereas laminin γ2, laminin β3, laminin α3 and collagen type IV (chains α3 and α4) were significantly decreased in IPF scaffolds.