WJ-MSCs secrete higher levels of RANTES, IP-10, MCP-1, IL-6, and IL-8 compared to AD-MSCs, while AD-MSCs secrete more IL-7; IL-12; collagen types I, II, III, IV, and V; and VEGF than WJ-MSCs [5]. The gene discussed is CXCL8; the disease is Alzheimer disease.