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. 2009 Jan 15;18(2):373-80.
doi: 10.1093/hmg/ddn350. Epub 2008 Oct 24.

Common variants in the JAZF1 gene associated with height identified by linkage and genome-wide association analysis

Affiliations

Common variants in the JAZF1 gene associated with height identified by linkage and genome-wide association analysis

Asa Johansson et al. Hum Mol Genet. .

Abstract

Genes for height have gained interest for decades, but only recently have candidate genes started to be identified. We have performed linkage analysis and genome-wide association for height in approximately 4000 individuals from five European populations. A total of five chromosomal regions showed suggestive linkage and in one of these regions, two SNPs (rs849140 and rs1635852) were associated with height (nominal P = 7.0 x 10(-8) and P = 9.6 x 10(-7), respectively). In total, five SNPs across the genome showed an association with height that reached the threshold of genome-wide significance (nominal P < 1.6 x 10(-7)). The association with height was replicated for two SNPs (rs1635852 and rs849140) using three independent studies (n = 31 077, n=1268 and n = 5746) with overall meta P-values of 9.4 x 10(-10) and 5.3 x 10(-8). These SNPs are located in the JAZF1 gene, which has recently been associated with type II diabetes, prostate and endometrial cancer. JAZF1 is a transcriptional repressor of NR2C2, which results in low IGF1 serum concentrations, perinatal and early postnatal hypoglycemia and growth retardation when knocked out in mice. Both the linkage and association analyses independently identified the JAZF1 region affecting human height. We have demonstrated, through replication in additional independent populations, the consistency of the effect of the JAZF1 SNPs on height. Since this gene also has a key function in the metabolism of growth, JAZF1 represents one of the strongest candidates influencing human height identified so far.

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Figures

Figure 1.
Figure 1.
Sampling locations for the populations in the study. 1a and 1b is the Swedish, 2 the Scottish, 3 the Dutch, 4 the South Tyrolean and 5 the Croatian sampling locations.
Figure 2.
Figure 2.
QTL on chromosome 7 for height. The signal in the summarized LOD score is mainly based on the signal from the Swedish population, with contribution also from the Croatian populations.
Figure 3.
Figure 3.
Manhattan plot of the JAZF1 region on chromosome 7. Associations (−log10 nominal P-value) for males are showed for all SNPs in the JAZF1 region. The top SNPs (rs1635852 from the linkage region) and rs849140 (from the linkage region and the genome-wide analysis) are all located within the first intron of the JAZF1 gene.

References

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