Although, we observed some variability in NLRP12 protein size at 95 kDa and 70 kDa, the constitutive level of NLRP12 was low to non-detectable in LNCaP and LNCaP-Ln3 cell lines as compared to aggressive prostate cancer cell lines, and corresponds with the expression profile in archival human prostate tissues. This evidence concerns the gene NLRP12 and prostate cancer.