The mean percentages of inflammatory cells from psoriasis skin lesions expressing CXCL9, CXCL10, CXCL11 and CXCR3 were 3.0% ± 3.4%, 3.0% ± 2%, 46.8% ± 17.7% and 21.2% ± 19.5%, respectively. Here, CXCL9 is linked to psoriasis.