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Org, E.* ; Eyheramendy, S. ; Juhanson, P.* ; Gieger, C. ; Lichtner, P. ; Klopp, N. ; Veldre, G.* ; Döring, A. ; Viigimaa, M.* ; Sõber, S.* ; Tomberg, K.* ; Eckstein, G. ; Kelgo, P.* ; Rebane, T.* ; Shaw-Hawkins, S.* ; Howard, P.* ; Onipinla, A.* ; Dobson, R.J.* ; Newhouse, S.J.* ; Brown, M.* ; Dominiczak, A.* ; Connell, J.* ; Samani, N.* ; Farrall, M.* ; Caulfield, M.J.* ; Munroe, P.B.* ; Illig, T. ; Wichmann, H.-E. ; Meitinger, T. ; Laan, M.*

Genome-wide scan identifies CDH13 as a novel susceptibility locus contributing to blood pressure determination in two European populations.

Hum. Mol. Genet. 18, 2288-2296 (2009)
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Hypertension is a complex disease that affects a large proportion of adult population. Although approximately half of the inter-individual variance in blood pressure (BP) level is heritable, identification of genes responsible for its regulation has remained challenging. Genome-wide association study (GWAS) is a novel approach to search for genetic variants contributing to complex diseases. We conducted GWAS for three BP traits [systolic and diastolic blood pressure (SBP and DBP); hypertension (HYP)] in the Kooperative Gesundheitsforschung in der Region Augsburg (KORA) S3 cohort (n = 1644) recruited from general population in Southern Germany. GWAS with 395 912 single nucleotide polymorphisms (SNPs) identified an association between BP traits and a common variant rs11646213 (T/A) upstream of the CDH13 gene at 16q23.3. The initial associations with HYP and DBP were confirmed in two other European population-based cohorts: KORA S4 (Germans) and HYPEST (Estonians). The associations between rs11646213 and three BP traits were replicated in combined analyses (dominant model: DBP, P = 5.55 x 10(-5), effect -1.40 mmHg; SBP, P = 0.007, effect -1.56 mmHg; HYP, P = 5.30 x 10(-8), OR = 0.67). Carriers of the minor allele A had a decreased risk of hypertension. A non-significant trend for association was also detected with severe family based hypertension in the BRIGHT sample (British). The novel susceptibility locus, CDH13, encodes for an adhesion glycoprotein T-cadherin, a regulator of vascular wall remodeling and angiogenesis. Its function is compatible with the BP biology and may improve the understanding of the pathogenesis of hypertension.
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Publication type Article: Journal article
Document type Scientific Article
ISSN (print) / ISBN 0964-6906
e-ISSN 1460-2083
Quellenangaben Volume: 18, Issue: 12, Pages: 2288-2296 Article Number: , Supplement: ,
Publisher Oxford University Press
Reviewing status Peer reviewed