Figure 1

Pre- and posttherapeutic labeling of cathepsin G in a representative patient with atopic dermatitis Cathepsin G immunostaining in skin biopsies of a representative patient with severe atopic dermatitis before (a) and after (b) treatment. Note the decrease of cathepsin G⁺ inflammatory cells (b) after 3 weeks of medium-dose UVA1 phototherapy with a cumulative dose of 750 J/cm² (original magnification, × 200).