CCL2 and atopic eczema: In this respect, strong expression of CCL2 has been reported in the basal keratinocytes of atopic dermatitis patients (Giustizieri et al., 2001), and expression of CCL7, which can attract basophils, eosinophils, mast cells and Th2 cells, can be induced by allergens in atopic skin (Ying et al., 1995).