In PCs, the density of Cav3.1 was low in somata (0.03 ± 0.01 immunoparticles/μm), increased 12-folds in AD (0.35 ± 0.1 immunoparticles/μm) and 40-folds in OD (1.18 ± 0.5 immunoparticles/μm; Figure 5H). This evidence concerns the gene CACNA1G and Alzheimer disease.