CXCL8 and Alzheimer disease: In Alzheimer’s disease (AD) patients, decreased α-tocopherol levels were associated with elevated inflammatory cytokines (G-CSF, GM-CSF, INF-α2, IL-3, IL-17, and IL-8) and reduced levels of several exosomal microRNAs (miR-122, miR-21, miR-132) [13].