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GWAS Study

A sequence variant in ZFHX3 on 16q22 associates with atrial fibrillation and ischemic stroke.

Gudbjartsson DF, Holm H, Gretarsdottir S et al.

19597491 PubMed ID
GWAS Study Type
44992 Participants
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Chapter I

Publication Details

Comprehensive information about this research publication

Authors

GD
Gudbjartsson DF
HH
Holm H
GS
Gretarsdottir S
TG
Thorleifsson G
WG
Walters GB
TG
Thorgeirsson G
GJ
Gulcher J
ME
Mathiesen EB
NI
Njølstad I
NA
Nyrnes A
WT
Wilsgaard T
HE
Hald EM
HK
Hveem K
SC
Stoltenberg C
KG
Kucera G
ST
Stubblefield T
CS
Carter S
RD
Roden D
NM
Ng MC
BL
Baum L
SW
So WY
WK
Wong KS
CJ
Chan JC
GC
Gieger C
WH
Wichmann HE
GA
Gschwendtner A
DM
Dichgans M
KG
Kuhlenbäumer G
BK
Berger K
RE
Ringelstein EB
BS
Bevan S
MH
Markus HS
KK
Kostulas K
HJ
Hillert J
SS
Sveinbjörnsdóttir S
VE
Valdimarsson EM
LM
Løchen ML
MR
Ma RC
DD
Darbar D
KA
Kong A
AD
Arnar DO
TU
Thorsteinsdottir U
SK
Stefansson K
Chapter II

Abstract

Summary of the research findings

We expanded our genome-wide association study on atrial fibrillation (AF) in Iceland, which previously identified risk variants on 4q25, and tested the most significant associations in samples from Iceland, Norway and the United States. A variant in the ZFHX3 gene on chromosome 16q22, rs7193343-T, associated significantly with AF (odds ratio OR = 1.21, P = 1.4 x 10(-10)). This variant also associated with ischemic stroke (OR = 1.11, P = 0.00054) and cardioembolic stroke (OR = 1.22, P = 0.00021) in a combined analysis of five stroke samples.

2,385 European ancestry cases, 33,752 European ancestry controls

Chapter III

Study Statistics

Key metrics and study information

44992
Total Participants
GWAS
Study Type
Yes
Replicated
up to 2,427 European ancestry cases, 3,379 European ancestry controls, 286 Han Chinese ancestry cases, 2,763 Han Chinese ancestry controls
Replication Participants
East Asian, European
Ancestry
China, U.S., Iceland, Norway
Recruitment Country
Chapter IV

Analysis

Comprehensive review of health and genetic findings

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Analysis In Progress

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