Table 2 Mendelian randomisation analyses of the association of RHOD and CDC42 with overall, ER+ and ER− breast cancer risk.

From: Rho GTPase gene expression and breast cancer risk: a Mendelian randomization analysis

Outcome

Exposure (gene expression level)

Tissue (data source)

MR method

nsnp

OR

LCI

UCI

P-value

Overall breast cancer

RHOD

Breast mammary (GTEx)

Wald ratio

1

1.06

1.03

1.09

5.65 × 10–5

ER+ breast cancer

RHOD

Breast mammary (GTEx)

Wald ratio

1

1.08

1.05

1.12

2.29 × 10–5

ER− breast cancer

RHOD

Breast mammary (GTEx)

Wald ratio

1

1.06

1.01

1.12

0.03

Overall breast cancer

RHOD

Blood (eqtlGen)

Wald ratio

1

1.22

1.11

1.35

5.22 × 10–5

ER+ breast cancer

RHOD

Blood (eqtlGen)

Wald ratio

1

1.32

1.18

1.49

2.74 × 10–6

ER− breast cancer

RHOD

Blood (eqtlGen)

Wald ratio

1

1.19

0.99

1.42

0.06

Overall breast cancer

CDC42

Breast cancer (TCGA)

Wald ratio

1

0.91

0.84

0.98

0.02

ER+ breast cancer

CDC42

Breast cancer (TCGA)

Wald ratio

1

0.90

0.82

0.99

0.03

ER− breast cancer

CDC42

Breast cancer (TCGA)

Wald ratio

1

0.88

0.76

1.02

0.09

Overall breast cancer

CDC42

Blood (eqtlGen)

Wald ratio

1

0.96

0.93

1.00

0.03

ER+ breast cancer

CDC42

Blood (eqtlGen)

Wald ratio

1

0.95

0.91

0.98

0.005

ER− breast cancer

CDC42

Blood (eqtlGen)

Wald ratio

1

1.01

0.95

1.07

0.78

  1. nsnp number of SNPs used in the analysis, OR odds ratio, LCI 95% lower confidence interval, UCI 95% upper confidence interval, P-value P-value for association.