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Genome-Wide Association Studies Identify Multiple Genetic Loci Influencing Eyebrow Color Variation in Europeans  Fuduan Peng, Gu Zhu, Pirro G. Hysi, Ryan.

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Presentation on theme: "Genome-Wide Association Studies Identify Multiple Genetic Loci Influencing Eyebrow Color Variation in Europeans  Fuduan Peng, Gu Zhu, Pirro G. Hysi, Ryan."— Presentation transcript:

1 Genome-Wide Association Studies Identify Multiple Genetic Loci Influencing Eyebrow Color Variation in Europeans  Fuduan Peng, Gu Zhu, Pirro G. Hysi, Ryan J. Eller, Yan Chen, Yi Li, Merel A. Hamer, Changqing Zeng, Racquel L. Hopkins, Case L. Jacobus, Paige L. Wallace, André G. Uitterlinden, M. Arfan Ikram, Tamar Nijsten, David L. Duffy, Sarah E. Medland, Timothy D. Spector, Susan Walsh, Nicholas G. Martin, Fan Liu, Manfred Kayser  Journal of Investigative Dermatology  Volume 139, Issue 7, Pages (July 2019) DOI: /j.jid Copyright © 2019 The Authors Terms and Conditions

2 Figure 1 Manhattan plot of the discovery stage meta-analysis results for human eyebrow color from three European GWASs (RS, TwinsUK, and QIMR (N = 6,513). The −log10 P-values for association were plotted for each SNP according to chromosomal positions (genome assembly GRCh37.p13). Previously known pigmentation genes are marked with black text, and gene to our knowledge previously unreported is highlighted in violet. The red and violet lines, respectively, correspond to the thresholds for genome-wide significance (P = 5 × 10–8) and suggestive significance (P = 1 × 10–5). GWAS, genome-wide association study; QIMR, Queensland Institute of Medical Research; RS, Rotterdam Study; SNP, single nucleotide polymorphism. Journal of Investigative Dermatology  , DOI: ( /j.jid ) Copyright © 2019 The Authors Terms and Conditions

3 Figure 2 Genetic predictions of eyebrow color. (a) The prediction performance of the set of 25 SNPs for eyebrow color prediction model using ROC curves with AUC estimates in independent individuals (N = 779). (b) AUC was plotted against the number of SNPs included in the multinomial logistic model. The top 14 SNP annotation and prediction ranks are provided in Supplementary Table S11. (c) Frequency (left y-axis) of predicted probability (x-axis) for black eyebrow and percentage (right y-axis) of nonblack eyebrow in all 779 RS samples. (d) The distribution of predicted black eyebrow color probabilities for 2,504 participants from the 1000 Genomes Project panel; samples are grouped according to place of origin. AFR, Africans; AMR, Native Americans; AUC, area under the curve; EAS, East Asians; EUR, Europeans; ROC, receiver operating characteristic; RS, Rotterdam Study; SAS, South Asians; SNP, single nucleotide polymorphism. Journal of Investigative Dermatology  , DOI: ( /j.jid ) Copyright © 2019 The Authors Terms and Conditions

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