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GWAS Study

A genome-wide association study identifying RAP1A as a novel susceptibility gene for Crohn's disease in Japanese individuals.

Kakuta Y, Kawai Y, Naito T et al.

30500874 PubMed ID
GWAS Study Type
4418 Participants
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Chapter I

Publication Details

Comprehensive information about this research publication

Authors

KY
Kakuta Y
KY
Kawai Y
NT
Naito T
HA
Hirano A
UJ
Umeno J
FY
Fuyuno Y
LZ
Liu Z
LD
Li D
NT
Nakano T
IY
Izumiyama Y
IR
Ichikawa R
OD
Okamoto D
NH
Nagai H
MS
Matsumoto S
YK
Yamamoto K
YN
Yokoyama N
CH
Chiba H
SY
Shimoyama Y
OM
Onodera M
MR
Moroi R
KM
Kuroha M
KY
Kanazawa Y
KT
Kimura T
SH
Shiga H
EK
Endo K
NK
Negoro K
YJ
Yasuda J
EM
Esaki M
TK
Tokunaga K
NM
Nakamura M
MT
Matsumoto T
MD
McGovern DPB
NM
Nagasaki M
KY
Kinouchi Y
ST
Shimosegawa T
MA
Masamune A
Chapter II

Abstract

Summary of the research findings

Background and aims: Genome-wide association studies [GWASs] of European populations have identified numerous susceptibility loci for Crohn's disease [CD]. Susceptibility genes differ by ethnicity, however, so GWASs specific for Asian populations are required. This study aimed to clarify the Japanese-specific genetic background for CD by a GWAS using the Japonica array [JPA] and subsequent imputation with the 1KJPN reference panel.

713 Japanese ancestry cases, 2,083 Japanese ancestry controls

Chapter III

Study Statistics

Key metrics and study information

4418
Total Participants
GWAS
Study Type
Yes
Replicated
770 Japanese ancestry cases, 852 Japanese ancestry controls
Replication Participants
East Asian
Ancestry
Japan
Recruitment Country
Chapter IV

Analysis

Comprehensive review of health and genetic findings

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Analysis In Progress

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