The aim of the paper was toassess the serum level of CXCL-9, CXCL-10, CXCL-11,CXCL-12, CCL-17, CCL-20, CCL-21, CCL-22, CCL-27, andIL-18 chosen in AD patients by ELISA assay. The gene discussed is CCL22; the disease is Alzheimer disease.