Table 1

Single nucleotide polymorphisms (SNPs) showing highest association signals for severe asthma

ChromosomeLocusSNPPositionAUGOSA (933 cases, 3346 controls)AAGC (231 cases, 1345 controls)Meta-analysis
r2 imp OR (95% CI)p Valuer2 imp OR (95% CI)p ValueOR (95% CI)p Value
Six genotyped SNPs from regions identified in genotyped SNP analyses
 2IL18R1rs3771166102352654GENO0.79 (0.71 to 0.88) 1.93×10(−5) GENO0.71 (0.57 to 0.87) 0.001 0.77 (0.70 to 0.85)1.24×10(7)
 5C5orf56rs11745587131824821GENO1.30 (1.17 to 1.45) 2.09×10(−6) GENO1.13 (0.92 to 1.39)0.251.26 (1.15 to 1.39)2.13×10(−6)
 6CD83rs938293614173097GENO1.31 (1.17 to 1.48) 5.61×10(−6) GENO1.00 (0.79 to 1.25)0.981.24 (1.12 to 1.38)5.68×10(−5)
 7PRPS1L1rs1269994918010787GENO0.77 (0.69 to 0.87) 1.19×10(−5) GENO0.89 (0.72 to 1.10)0.270.80 (0.72 to 0.88)1.19×10(−5)
 13 Intergenic rs249676484477159GENO1.34 (1.18 to 1.52) 7.86×10(−6) GENO0.99 (0.78 to 1.27)0.961.26 (1.12 to 1.41)8.03×10(−5)
 17ERBB2rs181013235119531GENO1.28 (1.14 to 1.43) 1.73×10(−5) GENO1.07 (0.86 to 1.32)0.561.23 (1.11 to 1.36)4.54×10(−5)
Four imputed SNPs in regions above with a lower p value than the original genotyped SNP in imputed SNP analyses
 2IL18R1rs98079891023376320.910.76 (0.67 to 0.85) 5.20×10(−6) 0.910.72 (0.58 to 0.89) 0.003 0.75 (0.68 to 0.83)5.59×10(−8)
 7PRPS1L1rs12699948180107350.920.75 (0.66 to 0.85) 4.84×10(−6) 0.930.92 (0.74 to 1.15)0.460.79 (0.71 to 0.88)1.44×10(−5)
 13 Intergenic rs9547037844768390.901.38 (1.20 to 1.58) 6.60×10(−6) 0.901.00 (0.78 to 1.29)0.971.28 (1.13 to 1.44)8.01×10(−5)
 17STARD3rs9972882350612240.981.32 (1.17 to 1.49) 5.17×10(−6) 0.991.07 (0.85 to 1.34)0.551.26 (1.13 to 1.40)1.64×10(−5)
Two SNPs with p>10(−5) responsible for secondary peaks in regions with known asthma genes
 2IL1R1rs130352271021302690.961.36 (1.16 to 1.58) 8.91×10(−5) GENO1.53 (1.17 to 1.99) 0.002 1.40 (1.22 to 1.59)6.69×10(−7)
 5IL13rs8471320245680.861.35 (1.17 to 1.55) 4.05×10(−5) 0.941.12 (0.88 to 1.43)0.371.29 (1.14 to 1.45)6.43×10(−5)
Twelve SNPs from new regions identified by imputation with p<10(−5) and r2 imp=0.7 (includes two secondary peaks in previously identified 17q12-21 region)
 2 Intergenic chr2:2116949602116949600.701.76 (1.40 to 2.21) 1.27×10(−6) 0.781.11 (0.73 to 1.70)0.621.59 (1.30 to 1.94)6.80×10(−6)
 5FLJ37543rs771566960972053GENO0.74 (0.65 to 0.84) 5.92×10(−6) GENO0.93 (0.74 to 1.18)0.560.78 (0.69 to 0.87)2.29×10(−5)
 5NDFIP1rs68679131414261640.990.72 (0.63 to 0.82) 1.74×10(−6) 0.970.90 (0.69 to 1.15)0.390.75 (0.67 to 0.85)3.82×10(−6)
 6GCLCrs939586553415653GENO0.76 (0.67 to 0.85) 5.27×10(−6) GENO1.15 (0.93 to 1.42)0.190.84 (0.76 to 0.93)9.27×10(−4)
 6 Intergenic rs6922932733842420.780.70 (0.60 to 0.82) 7.36×10(−6) 0.831.02 (0.79 to 1.31)0.880.78 (0.68 to 0.89)1.99×10(−4)
 8DUSP4rs650230293227270.781.37 (1.19 to 1.57) 6.40×10(−6) 0.761.04 (0.83 to 1.30)0.731.27 (1.13 to 1.42)5.74×10(−5)
 9ACO1rs10970976324235260.980.76 (0.67 to 0.86) 9.14×10(−6) 0.960.84 (0.67 to 1.05)0.130.78 (0.70 to 0.86)3.69×10(−6)
 11OR52E4rs445321758838590.871.43 (1.25 to 1.64) 2.82×10(−7) 0.880.94 (0.72 to 1.22)0.631.31 (1.16 to 1.48)1.50×10(−5)
 11ETS1rs71255741278664040.931.34 (1.18 to 1.51) 5.28×10(−6) 0.930.92 (0.73 to 1.16)0.491.23 (1.10 to 1.37)2.13×10(−4)
 17STAC2rs989718534642935GENO1.31 (1.16 to 1.47) 1.19×10(−5) GENO0.95 (0.75 to 1.19)0.641.22 (1.10 to 1.35)2.50×10(−4)
 17ORMDL3rs4794820353428700.940.76 (0.68 to 0.85) 1.52×10(−6) 0.930.72 (0.59 to 0.89) 0.002 0.75 (0.69 to 0.83) 1.03×10( 8)
 19ZNF665rs1698454758373854GENO1.53 (1.30 to 1.82) 5.45×10(−7) GENO1.06 (0.76 to 1.49)0.741.43 (1.23 to 1.66)3.54×10(−6)
  • Effect allele refers to the minor allele. GENO denotes genotyped SNP. Significant p values p≤0.05 in replication, p<5×10(−8) in meta-analysis are shown in bold. The gene tagged by the SNP due to linkage disequilibrium (LD) block structure within the locus is listed.

  • AAGC, Australian Asthma Genetics Consortium; AUGOSA, Asthma UK Genetics of Severe Asthma.