ADIPOR1 and Alzheimer disease: The median concentrations of AdipoR1 and AdipoR2 were 22.8 (12.6–40.9) and 6.17 (4.68–10.6) ng/mg of total protein in the group of AD patients, and 16.6 (7.15–31.5) and 5.61 (3.78–8.75) ng/mg of total protein in the controls, respectively.