Islets from donors without diabetes (<i>n</i> = 95) were tested for SNP genotype (rs10811661, rs2383208, rs564398, and rs10757283), gene expression (<i>p14</i>, <i>p15</i>, <i>p16</i>, <i>MTAP</i>, <i>ANRIL</i>, <i>PCNA</i>, <i>KI67</i>, and <i>CCND2</i>), insulin secretion (<i>n</i> = 61), and β-cell proliferation (<i>n</i> = 47).