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Table 1 Top pathways and associated networks identified by pathway analysis for the hippocampus following olanzapine treatment

From: The effects of olanzapine on genome-wide DNA methylation in the hippocampus and cerebellum

(a) Top canonical pathways (Genes with increased methylation)

P- value

No of moleculesa

Dopamine-DARPP32 feedback in cAMP signalling

1.65 × 10–3

20/157 (0.127)

CD27 signalling in lymphocytes

2.42 × 10–4

11/54 (0.204)

Oestrogen-mediated S-phase entry

2.56 × 10–3

6/26 (0.231)

Role of JAK2 in hormone-like cytokine signalling

3.38 × 10–3

7/34 (0.206)

Associated network functions

  

Metabolic disease, endocrine system and developmental disorders

35

Cell cycle, cellular growth and proliferation, cell death

24

Molecular transport, neurological disease, cell-to-cell signalling

10

(b) Top canonical pathways (Genes with decreased methylation)

P- value

No of molecules

CDC42 signalling

2.52 × 10–3

11/131 (0.084)

Prostanoid biosynthesis

2.55 × 10–3

3/9 (0.333)

Calcium signalling

5.92 × 10–3

12/178 (0.067)

D-myo-inositol (1,3,4,5,6)-tetrakisphosphatebiosynthesis

6.18 × 10–3

8/48 (0.167)

Associated network functions

 

Developmental disorder, cell death and survival, cellular development

12

Molecular transport, nervous system development and function

10

Carbohydrate metabolism, cell morphology, lipid metabolism

9

Cellular development, skeletal, muscular and cardiovascular system development and function

8

  1. aFor the top canonical pathways, the ratio is the number of molecules in a given pathway that meet the cut-off (P ≤ 0.01) divided by the total number of molecules in the pathway.