Journal Article

Genetic variation in <i>GPR133</i> is associated with height: genome wide association study in the self-contained population of Sorbs

Anke Tönjes, Moritz Koriath, Dorit Schleinitz, Kerstin Dietrich, Yvonne Böttcher, Nigel W. Rayner, Peter Almgren, Beate Enigk, Olaf Richter, Silvio Rohm, Antje Fischer-Rosinsky, Andreas Pfeiffer, Katrin Hoffmann, Knut Krohn, Gabriela Aust, Joachim Spranger, Leif Groop, Matthias Blüher, Peter Kovacs and Michael Stumvoll

in Human Molecular Genetics

Volume 18, issue 23, pages 4662-4668
Published in print December 2009 | ISSN: 0964-6906
Published online September 2009 | e-ISSN: 1460-2083 | DOI:
Genetic variation in GPR133 is associated with height: genome wide association study in the self-contained population of Sorbs

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Recently, associations of several common genetic variants with height have been reported in different populations. We attempted to identify further variants associated with adult height in a self-contained population (the Sorbs in Eastern Germany) as discovery set. We performed a genome wide association study (GWAS) (∼390 000 genetic polymorphisms, Affymetrix gene arrays) on adult height in 929 Sorbian individuals. Subsequently, the best SNPs (P < 0.001) were taken forward to a meta-analysis together with two independent cohorts [Diabetes Genetics Initiative, British 1958 Birth Cohort, (58BC, publicly available)]. Furthermore, we genotyped our best signal for replication in two additional German cohorts (Leipzig, n = 1044 and Berlin, n = 1728). In the primary Sorbian GWAS, we identified 5 loci with a P-value < 10−5 and 455 SNPs with P-value < 0.001. In the meta-analysis on those 455 SNPs, only two variants in GPR133 (rs1569019 and rs1976930; in LD with each other) retained a P-value at or below 10−6 and were associated with height in the three cohorts individually. Upon replication, the SNP rs1569019 showed significant effects on height in the Leipzig cohort (P = 0.004, beta = 1.166) and in 577 men of the Berlin cohort (P = 0.049, beta = 1.127) though not in women. The combined analysis of all five cohorts (n = 6,687) resulted in a P-value of 4.7 × 10−8 (beta = 0.949). In conclusion, our GWAS suggests novel loci influencing height. In view of the robust replication in five different cohorts, we propose GPR133 to be a novel gene associated with adult height.

Journal Article.  3751 words.  Illustrated.

Subjects: Genetics and Genomics

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