Table 2.
Markers and genes with a possible association with the testicular dysgenesis syndrome (TDS) phenotype
Gene | Marker* | Selection method† | Phase | Risk allele | Control RAF‡ | OR (95% CI) | punadj | padj | Optimal genetic model§ | |
Per allele | Optimal genetic model | |||||||||
KITLG | rs1352947 | TGCC | Discovery | T | 0.81 | 1.56 (1.19 to 2.05) | 1.52 (1.18 to 1.97) | 3.1×10−3 | 1 | Additive |
C/T | Replication | 0.82 | 2.11 (1.48 to 3.03) | 1.93 (1.39 to 2.69) | 8.5×10−5 | 2.0×10−3 | ||||
TGFBR3 | rs12082710 | ISB | Discovery | T | 0.58 | 1.35 (1.10 to 1.65) | 1.77 (1.33 to 2.36) | 2.4×10−4 | 1 | Recessive |
T/C | Replication | 0.59 | 1.27 (0.99 to 1.63) | 1.52 (1.08 to 2.15) | 1.6×10−2 | 3.8×10−1 | ||||
BMP7 | rs388286 | Pathway | Discovery | C | 0.47 | 1.34 (1.10 to 1.63) | 1.36 (1.11 to 1.67) | 2.3×10−3 | 1 | Additive |
C/T | Replication | 0.47 | 1.29 (1.01 to 1.66) | 1.28 (1.01 to 1.62) | 4.1×10−2 | 9.9×10−1 | ||||
HOXDx | rs17198432 | TDS | Discovery | A | 0.07 | 2.31 (1.66 to 3.26) | 2.58 (1.82 to 3.70) | 4.7×10−8 | 2.2×10−2 | Dominant |
C/A | Replication | 0.11 | 0.96 (1.43 to 0.64) | 0.97 (0.64 to 1.48) | 8.7×10−1 | 1 |
The marker with the lowest p value in the discovery cohort, among the markers tagging a gene, is presented.
Four different approaches were used for the selection of markers: TDS, single-marker genome-wide association study (GWAS) on all TDS sub-phenotypes; TGCC, single-marker GWAS on the testicular germ cell cancer (TGCC) subset of cases; Pathway, aggregated effect in pathways; ISB, integrative systems biology by combing evidence of association from several data types.
Risk allele frequency.
The genetic model with strongest association among the models tested by the MAX test (selected on discovery cohort).