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Meta-Analysis
. 2015 Nov 6:6:8804.
doi: 10.1038/ncomms9804.

Meta-analysis identifies seven susceptibility loci involved in the atopic march

Ingo Marenholz  1   2 Jorge Esparza-Gordillo  1   2 Franz Rüschendorf  1 Anja Bauerfeind  1 David P Strachan  3 Ben D Spycher  4 Hansjörg Baurecht  5 Patricia Margaritte-Jeannin  6   7 Annika Sääf  8 Marjan Kerkhof  9 Markus Ege  10 Svetlana Baltic  11 Melanie C Matheson  12 Jin Li  13 Sven Michel  14 Wei Q Ang  15 Wendy McArdle  16 Andreas Arnold  17 Georg Homuth  18 Florence Demenais  6   7 Emmanuelle Bouzigon  6   7 Cilla Söderhäll  19 Göran Pershagen  8 Johan C de Jongste  20 Dirkje S Postma  21 Charlotte Braun-Fahrländer  22 Elisabeth Horak  23 Ludmila M Ogorodova  24 Valery P Puzyrev  24   25 Elena Yu Bragina  25 Thomas J Hudson  26 Charles Morin  27 David L Duffy  28 Guy B Marks  29 Colin F Robertson  30 Grant W Montgomery  28 Bill Musk  31 Philip J Thompson  11 Nicholas G Martin  28 Alan James  31 Patrick Sleiman  13   32 Elina Toskala  33 Elke Rodriguez  5 Regina Fölster-Holst  5 Andre Franke  34 Wolfgang Lieb  35 Christian Gieger  36 Andrea Heinzmann  37 Ernst Rietschel  38 Thomas Keil  39   40 Sven Cichon  41   42   43   44 Markus M Nöthen  41   42 Craig E Pennell  15 Peter D Sly  45 Carsten O Schmidt  46 Anja Matanovic  1   2 Valentin Schneider  1 Matthias Heinig  1   47 Norbert Hübner  1 Patrick G Holt  45   48 Susanne Lau  49 Michael Kabesch  14 Stefan Weidinger  5 Hakon Hakonarson  13   32 Manuel A R Ferreira  28 Catherine Laprise  50 Maxim B Freidin  25 Jon Genuneit  51 Gerard H Koppelman  52 Erik Melén  8   53 Marie-Hélène Dizier  6   7 A John Henderson  16 Young Ae Lee  1   2
Affiliations
Meta-Analysis

Meta-analysis identifies seven susceptibility loci involved in the atopic march

Ingo Marenholz et al. Nat Commun. .

Abstract

Eczema often precedes the development of asthma in a disease course called the 'atopic march'. To unravel the genes underlying this characteristic pattern of allergic disease, we conduct a multi-stage genome-wide association study on infantile eczema followed by childhood asthma in 12 populations including 2,428 cases and 17,034 controls. Here we report two novel loci specific for the combined eczema plus asthma phenotype, which are associated with allergic disease for the first time; rs9357733 located in EFHC1 on chromosome 6p12.3 (OR 1.27; P=2.1 × 10(-8)) and rs993226 between TMTC2 and SLC6A15 on chromosome 12q21.3 (OR 1.58; P=5.3 × 10(-9)). Additional susceptibility loci identified at genome-wide significance are FLG (1q21.3), IL4/KIF3A (5q31.1), AP5B1/OVOL1 (11q13.1), C11orf30/LRRC32 (11q13.5) and IKZF3 (17q21). We show that predominantly eczema loci increase the risk for the atopic march. Our findings suggest that eczema may play an important role in the development of asthma after eczema.

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Figures

Figure 1
Figure 1. Association results of the meta-GWAS on the atopic march.
Manhattan plot shows the P values over the chromosomal positions of all SNPs of the discovery set (1,151 cases versus 10,030 controls). Red and black lines indicate the thresholds for genome-wide significance (P<5 × 10−8) and for entering the replication phase (P<1 × 10−4), respectively.
Figure 2
Figure 2. Ranking of previous eczema and asthma GWAS hits in the atopic march discovery set.
Susceptibility loci identified in previous GWAS on eczema or on asthma at genome-wide significance (P<5 × 10−8) are shown with their P values in the discovery phase (circles). The red line indicates the threshold for nominally significant replication (P<0.05). Susceptibility loci previously associated with both traits were excluded as were loci identified only in populations of non-European descent. Two-sided P value of the Mann-Whitney U-test ( http://vassarstats.net/utest.html) is reported.

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