ACP3 and Alzheimer disease: Fasting blood glucose levels in AD patients or control subjects had no significant correlation with the activities of TDPase (AD: r = 0.1999, P = 0.1880; control: r = -0.2228, P = 0.1788), TMPase (AD: r = 0.2876, P = 0.0554; control: r = 0.0262, P = 0.8733), and TPK (AD: r = 0.0978, P = 0.5228; control: r = 0.0667, P = 0.6905; Fig 3A–3F).