Table 4 Pathways enriched in schizophrenia and smoking traits.

From: Genetic Relationship between Schizophrenia and Nicotine Dependence

Pathway

Genes found in pathway

# gene in pathway

# gene observed

# gene expected

Observed/expected ratio

Raw P-value

Adjusted P-value

Calcium signaling pathway

ATP2B2, CACNA1C, CACNA1I, CHRM3, ITPR1, ITPR2

177

6

0.57

10.59

2.41E-05

0.0004

Long-term potentiation

CACNA1C, ITPR1, ITPR2, PPP1CB

70

4

0.22

17.86

7.81E-05

0.0007

Neuroactive ligand-receptor interaction

CHRM3, CHRNA3, CHRNA5, CHRNB4, NR3C1, THRB

272

6

0.87

6.89

0.0003

0.0011

Salivary secretion

ATP2B2, CHRM3, ITPR1, ITPR2

89

4

0.28

14.05

0.0002

0.0011

Pancreatic secretion

ATP2B2, CHRM3, ITPR1, ITPR2

101

4

0.32

12.38

0.0003

0.0011

Vascular smooth muscle contraction

CACNA1C, ITPR1, ITPR2, PPP1CB

116

4

0.37

10.78

0.0005

0.0013

Oocyte meiosis

ITPR1, ITPR2, PPP1CB, SPDYA

112

4

0.36

11.16

0.0005

0.0013

Phosphatidylinositol signaling system

INPP5K, ITPR1, ITPR2

78

3

0.25

12.02

0.0020

0.0036

Gastric acid secretion

CHRM3, ITPR1, ITPR2

74

3

0.24

12.67

0.0018

0.0036

Arrhythmogenic right ventricular cardiomyopathy (ARVC)

CACNA1C, ITGAV, SGCD

74

3

0.24

12.67

0.0018

0.0036

Hypertrophic cardiomyopathy (HCM)

CACNA1C, ITGAV, SGCD

83

3

0.27

11.30

0.0024

0.0039

Dilated cardiomyopathy

CACNA1C, ITGAV, SGCD

90

3

0.29

10.42

0.0031

0.0046

GnRH signaling pathway

CACNA1C, ITPR1, ITPR2

101

3

0.32

9.28

0.0042

0.0058

Cell adhesion molecules (CAMs)

ITGAV, NCAM2, PTPRM

133

3

0.43

7.05

0.0091

0.0117

Alzheimer’s disease

CACNA1C, ITPR1, ITPR2

167

3

0.53

5.61

0.0167

0.0188

Regulation of actin cytoskeleton

CHRM3, ITGAV, PPP1CB

213

3

0.68

4.40

0.0313

0.0331