Hyaluronic acid: higher in peri- bronchioles and perivascular regions in the lung Lauer et al. (2015);Decorin, lumican, and versican: higher in the subepithelial layer of the airway wall in atopic asthmatics Hough et al. (2020); Biglycan, versican and decorin: higher percentage areas in both central airways and alveolar parenchyma of non-controlled asthma Weitoft et al. (2014). Here, BGN is linked to asthma.