IL6R and Alzheimer disease: Moreover, screening 120 inflammatory molecules in CSF and serum of AD, MCI, and healthy controls using protein‐array analysis revealed that soluble IL‐6 receptor (sIL‐6R), tissue inhibitor of metalloproteinases‐1 (TIMP‐1), and soluble TNF‐α receptor I (sTNFR‐I) in CSF provided the best prediction to AD among other molecules.102, 103