qPCR analysis demonstrated variable levels of VDR mRNA in all adrenal tumors, with VDRmRNA expressed at higher levels in ACAs than in ACCs (0.41 ± 0.2 versus 0.11 ± 0.08 arbitrary units, P < 0.01) (Figure 2(a)). Here, VDR is linked to adrenal gland neoplasm.