Results: 5

1.
Figure 5

Figure 5. From: Genome-wide association analysis of metabolic traits in a birth cohort from a founder population.

Graphical representation of the proportion of explained variance for each of the five traits for which genetic loci have been identified. The total explained variance with a model that includes all the genetic loci (either described in Table 2 or 3) and the variables listed in Supplementary Table 3 is indicated in gray; the proportion of variance explained by the genetic loci is indicated in red.

Chiara Sabatti, et al. Nat Genet. ;41(1):35-46.
2.
Figure 1

Figure 1. From: Genome-wide association analysis of metabolic traits in a birth cohort from a founder population.

Linguistic/geographic groups of Northern Finland and their genetic signature. (a) Map of Finland with county boundaries. The subjects in NFBC1966 were all born in the two northern provinces. Counties in Northern Finland are color coded to correspond to the six linguistic/geographical groups that can be identified. (b) Scatterplot of the two first components identified by MDS on the matrix of genetic similarity between individuals. Only subjects with both parents born in the same population group are plotted, and they are color coded according to the group of origin.

Chiara Sabatti, et al. Nat Genet. ;41(1):35-46.
3.
Figure 3

Figure 3. From: Genome-wide association analysis of metabolic traits in a birth cohort from a founder population.

Association P values for genotyped SNPs for the nine traits. Genomic position is on the x axis (chromosome number is indicated at the bottom of the plot). The −log10 of the association P value is on the y axis. Only P values <10−2 are displayed. To increase readability, the −log10(P values) are truncated at 12. The horizontal red line corresponds to a P value of 5 × 10−7. Blue vertical lines indicate position of loci recently identified in GWAS (Table 3).

Chiara Sabatti, et al. Nat Genet. ;41(1):35-46.
4.
Figure 2

Figure 2. From: Genome-wide association analysis of metabolic traits in a birth cohort from a founder population.

Quantile-quantile plots of the tails of the P-value distribution for the nine traits. Scatter plot of the observed ordered −log10 P values versus the −log10 expected ordered P values under the complete null for N = 329,091 tests (solid circles). Only the 1,000 lowest P values are considered. Blue lines and gray shaded areas indicate the 0.025 and 0.975 point-wise quantiles of the ordered P value under the complete null distribution. The percentiles depicted with blue lines were calculated using a beta approximation for the distribution of ordered statistics of uniform variates and assuming independence across tests. The gray shaded areas were obtained with 1,000 permutations. Crosses indicate the observed ordered −log10 P values excluding tests that correspond to a known region or to a newly identified hit. These are also plotted against the −log10 expected ordered P values for the same number of tests under the complete null distribution.

Chiara Sabatti, et al. Nat Genet. ;41(1):35-46.
5.
Figure 4

Figure 4. From: Genome-wide association analysis of metabolic traits in a birth cohort from a founder population.

Association signal in the nine newly identified loci. Association results are shown in relation to RefSeq genes and LD and genetic maps in the region of our findings. For each region the top panel depicts the 2-Mb region around each of our findings. The horizontal line corresponds to P < 5 × 10−7. The vertical lines demarcate the 2 LD unit area around each new finding. Open symbols represent association results from our genotyped SNPs; smaller closed symbols represent association results of nongenotyped, imputed HapMap SNPs using WHAP. The middle panel depicts the location of known RefSeq genes. Genes that overlap are presented on two lines. The bottom panel displays the LD (solid line) and genetic (dashed line) maps. The midpoint of our evidence was set to be zero on both maps. The horizontal line is at 2 LD units. Note that for the HDL locus on chromosome 11 and for the LDL locus on chromosome X LD was so extensive that the 2 LD unit boundaries exceeded a 2-Mb region; therefore, the physical extent of the area plotted for these two regions was increased in order for the 2 LD unit boundaries to be shown.

Chiara Sabatti, et al. Nat Genet. ;41(1):35-46.

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