In AD patients, visfatin/NAMPT levels correlated with eosinophil counts, moreover, it was related to itch severity (measured by visual analogue scale (VAS)) and levels of certain inflammatory molecules (C-C motif chemokine 11 (CCL11) and C-C motif chemokine 26 (CCL26)). The gene discussed is CCL11; the disease is Alzheimer disease.