For AD patients Siglec-9 │ CLM-1 (rho = 0.78, p = 0.008), Siglec-9 │ CD38 (rho = 0.71, p = 0.02), CLM-1 │ CD38 (rho = 0.73, p = 0.02), and CLM-6 │ CD38 (rho = 0.77, p = 0.009) showed significant correlations. The gene discussed is CD38; the disease is Alzheimer disease.