Table 3 Significant secondary associations identified around selected breast cancer CpGs through conditional analysis of predictor meQTL SNPs.

From: Integrative multi-omic analysis identifies genetically influenced DNA methylation biomarkers for breast and prostate cancers

CpG

Chr

Location (bp)

Cytoband

meQTL SNP

Location (bp)

Effect allele

Breast cancer GWAS results

Conditional analysis, LD from 1000 G phase 3 (EUR)

Frequency

β

PGWAS

Pconda

cg14494596

3

48542040

3q21.31

rs34071734

49425004

A

0.061

−0.042

1.56 × 10−3

rs767512

48023924

C

0.290

−0.018

9.24 × 10−3

4.95 × 10−3

rs13095891

48381826

T

0.053

−0.036

1.15 × 10−2

5.93 × 10−3

rs112445131

47786930

T

0.175

−0.012

1.51 × 10−1

4.59 × 10−3

rs3895736

48658467

A

0.172

−0.013

1.20 × 10−1

1.70 × 10−3

rs73078357

48695834

C

0.126

−0.014

1.45 × 10−1

1.36 × 10−2

cg03958883

11

73020729

11q13.4

rs11235743

73124826

G

0.216

0.023

2.59 × 10−3

rs11602616

72364077

C

0.166

0.025

4.34 × 10−3

7.24 × 10−3

rs7116276

72276606

T

0.315

0.013

5.76 × 10−2

1.68 × 10−2

rs77383504

72265531

G

0.055

0.024

1.13 × 10−1

1.95 × 10−2

rs11235541

72285444

A

0.046

0.017

3.12 × 10−1

4.50 × 10−2

rs61893925

72274449

T

0.111

0.019

5.88 × 10−2

3.59 × 10−2

cg16555866

17

80830922

17p11.2

rs78483419

80870884

C

0.180

−0.032

7.78 × 10−5

rs8076573

80496771

G

0.712

0.025

1.62 × 10−3

4.98 × 10−4

rs78165269

80601498

C

0.304

−0.024

8.72 × 10−4

2.79 × 10−3

rs4789841

80739952

T

0.073

−0.024

6.73 × 10−2

1.07 × 10−2

  1. Chr chromosome.
  2. aAt each CpG site, the Pcond for a meQTL SNP is the association significance after conditioning on all the meQTL SNPs present in the rows above it. For example, the Pcond of rs7116276 is calculated after conditioning on rs11235743 and rs11602616.