Fig. 2From: The possible involvement of intestine-derived IgA1: a case of IgA nephropathy associated with Crohn’s diseaseImmunohistological findings of the intestine tissues. Exacerbated intestine mucosal infiltration of lymphocytes and plasma cells with Hematoxylin-Eosin staining (a). Immunostaining of total IgA (b), IgA1 (c), IgA2 (d) in submucosal layer of intestineBack to article page