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Table 1 Number of genes in association regions of the WTCCC GWAS top hits[19]

From: Genetic distance as an alternative to physical distance for definition of gene units in association studies

Chromosome

Diseaseb

WTCCC

SRR ≥ 2c

± 50 Kbc

5p13

CD

0

-

-

10q24

CD

1

-

-

10q25

T2D

1

-

-

9p21

CAD

2

-

-

10q21

CD

3

-

-

16q12

CD

4

-

-

16q12

T2D

1

-

+ 1

5q33

CD

2

-

+ 1

1p13 a

RA

7

-

+ 1

1p13 a

T1D

7

-

+ 1

16p13

T1D

8

-

+ 1

16p12

BD

9

-

+ 1

1p31

CD

1

-

+ 2

2q37

CD

1

-

+ 2

18p11

CD

1

-

+ 2

12q24

T1D

15

-

+ 2

12q13

T1D

26

-

+ 3

3p21

CD

18

+ 7

+ 9

 

Total

107

+ 7

+ 26

  1. aThese two loci overlap.
  2. bCD = Crohn’s disease, T2D = Type 2 diabetes, CAD = Coronary artery disease, RA = Rheumatoid arthrtitis, T1D = Type 1 diabetes, BD = Bipolar disorder.
  3. cSRR ≥ 2 for the gene definition extended to reach a cumulative SRR ≥ 2 in each direction; and ± 50 Kb for gene definition extended to this length in each direction. Only changes in the number of genes, not in their identity, were observed between the three lists:- no differences with the genes highlighted by the WTCCC authors; + number of additional genes beyond the highlighted by the WTCCC authors. A full list of genes in each loci is available as Additional file 1: Table S1.