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Single nucleotide polymorphisms (SNP) within PSEN1 ± 10 kilobase (kb)
| Common SNP (MAF ≥ 0.0257) | Novel | 5 | intronic: 4; downstream: 1 |
| Known | 181 | intergenic: 35; intronic: 141; 3′ UTR: 7; up (down) stream: 3 | |
| Rare SNP (MAF < 0.0257) | Novel | 498 | intergenic: 99; intronic: 372; exonic: 2; 3′ UTR: 15; 5′ UTR: 1; up (down) stream: 9 |
| Known | 341 | intergenic: 57; intronic: 257; exonic: 4; 3′UTR: 19; 5′UTR: 5; up (down) stream: 3 |
