Table 2. Association of genetic variants in energy balance pathways with AIWG.
Gene | SNP ID (rs#) | Gene region | Our MAF | HapMap MAF | P-value | Prior association |
---|---|---|---|---|---|---|
FTO | rs1421085 | Intron 1 | 0.33 | 0.45 | 0.13 | 12 |
rs6499640 | Intron 1 | 0.41 | 0.35 | 0.88 | 81 | |
rs1121980 | Intron 1 | 0.41 | 0.48 | 0.78 | 12, 82 | |
rs17817449a | Intron 1 | 0.39 | 0.45 | 83 | ||
rs8050136a | Intron 1 | 0.38 | 0.45 | 12 | ||
rs9939609a | Intron 1 | 0.38 | 0.45 | 11, 73 | ||
MC4R | rs8087522 | Promoter | 0.36 | 0.36 | 0.06 | 41, 84 |
rs11872992 | Promoter | 0.12 | 0.13 | 0.03 | 41, 84 | |
rs8093815 | 3′ Downstream | 0.32 | 0.33 | 0.07 | ||
rs489693 | 3′ Downstream | 0.39 | 0.34 | 0.03 | 85 | |
LEP | rs7799039 | promoter | 0.43 | 0.49 | 1.4 × 10−4 | 72, 86, 87 |
rs10244329 | Intron 1 | 0.49 | 0.47 | 9.6 × 10−3 | 88 | |
rs12706832 | Intron 1 | 0.49 | 0.57 | 0.09 | ||
rs2071045 | Intron 2 | 0.24 | 0.21 | 0.19 | 89 | |
CNR1 | rs806378 | Variableb | 0.24 | 0.26 | 1.0 × 10−6 | 44 |
rs806377 | Promoter | 0.46 | 0.49 | 0.17 | ||
rs1049353 | Synonymous | 0.23 | 0.23 | 9.6 × 10−5 | ||
rs806368 | 3′UTR | 0.18 | 0.25 | 0.26 | ||
FAAH | rs324420 | Nonsynonymous | 0.25 | 0.21 | 0.19 | 45 |
Abbreviations: AIWG, antipsychotic-induced weight gain; CNR, cannabinoid receptor; MAF, minor allele frequency; SNP, single-nucleotide polymorphism; UTR, untranslated region.
FTO SNPs removed from analysis due to near perfect linkage disequilibrium with rs1121980.
rs806378 maps to either a promoter, 5′UTR, or intronic location in alternatively processed CNR1 transcripts. Bolded P-values are significant after Bonferroni-correction for 19 tests.