PPP1R12B and chronic obstructive pulmonary disease: When exploring all variants of the Illumina Global Screening Array, rs12741415 (PPP1R12B gene), rs116062217 (PPP1R12B gene), rs1054761 (PRDM15 gene), rs4075967 (PRDM15 gene), and rs4862451 (intergenic) were associated to COPD risk (p < 10−5; Supplementary Table S2 and Supplementary Figure S2).