Table 2.
Aggregate variant burden analysis in discovery and replication cohorts
| Cohort | Gene | Testable SNPs | SNPs tested | MAC | P-value | Corrected P-value |
|---|---|---|---|---|---|---|
| Discovery (UCSF) | TREM2 | 19 | 8 | 10 | 1.00×10 −3 | 0.04 |
| SMG6 | 38 | 4 | 4 | 3.42×10−2 | NS | |
| ARHGAP27 | 17 | 4 | 6 | 0.1 | NS | |
| HSPA6 | 18 | 6 | 9 | 0.15 | NS | |
| LRRK2 | 46 | 9 | 10 | 0.16 | NS | |
| WDR81 | 28 | 10 | 12 | 0.2 | NS | |
| PLCD3 | 16 | 4 | 5 | 0.2 | NS | |
| MAP1B | 28 | 7 | 9 | 0.22 | NS | |
| UBAP1 | 11 | 4 | 4 | 0.22 | NS | |
| NPEPPS | 11 | 4 | 6 | 0.23 | NS | |
| Replication (ADSP) | TREM2 | 41 | 24 | 330 | 2.88×10 −4 | 0.02 |
| GYPC | 24 | 16 | 31 | 5.19×10−3 | NS | |
| UBAP2 | 123 | 72 | 207 | 0.05 | NS | |
| PACRG | 20 | 14 | 93 | 0.06 | NS | |
| ZNF621 | 32 | 17 | 24 | 0.06 | NS | |
| EPHX2 | 56 | 38 | 284 | 0.08 | NS | |
| RPIA | 28 | 9 | 11 | 0.09 | NS | |
| FYN | 28 | 13 | 43 | 0.1 | NS | |
| HSPA6 | 25 | 20 | 89 | 0.11 | NS | |
| HSPA4 | 59 | 28 | 183 | 0.12 | NS | |
| Replication (ADSP - Pathology Confirmed) | TREM2 | 41 | 16 | 192 | 2.11×10 −4 | 0.01 |
| CLU | 51 | 19 | 108 | 2.78×10−3 | NS | |
| KIF24 | 136 | 54 | 243 | 6.00×10−3 | NS | |
| GYPC | 24 | 8 | 12 | 0.02 | NS | |
| BIN1 | 61 | 16 | 41 | 0.03 | NS | |
| RNF19A | 56 | 23 | 48 | 0.03 | NS | |
| MR1 | 43 | 18 | 106 | 0.04 | NS | |
| EPHX2 | 56 | 29 | 181 | 0.06 | NS | |
| RPIA | 28 | 7 | 9 | 0.09 | NS | |
| PACRG | 20 | 12 | 58 | 0.09 | NS |
Results from discovery and replication burden analyses in SKAT. Genes in bold were significant after multiple testing correction. SNP single nucleotide polymorphism, MAC minor allele count, NS not significant