CCR5 and Alzheimer disease: Postmortem AD brain analysis depicted elevated IL-1α, CXCR2 (IL-8 receptor β), CCR3 (C-C chemokine receptor type 3, CD193), CCR5 (C-C chemokine receptor type 5, CD195), and transforming growth factor β (TGFβ) (Cartier et al., 2005).