APOC2 and Alzheimer disease: The results showed that apoCII and apoCIII were significantly higher in the HDL from AD patients (apoCII: 2358 ± 2330 vs. control 829 ± 327, P < 0.05; apoCIII: 4999 ± 2413 vs. control 2878 ± 1209; p < 0.01) (Figure 1D).