They reported increased peripheral levels of TNF-α converting enzyme, IL-1β, IL-2, IL-6, IL-18, interferon-gamma (IFN-γ), homocysteine, high-sensitivity CRP, CCL10, epidermal growth factor (EGF), vascular cell adhesion molecule-1 (VACM-1), TNF receptor1/2, and α1-antichymotrypsin in AD patients as compared with the levels in the control subjects (Lai et al., 2017). Here, IFNG is linked to Alzheimer disease.