Table 3.

Pathway enrichment analysis of differentially expressed genes in the 5 modules based on information from the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways database

KEGG pathway	P value
Spliceosome	5.32E‐06
GABAergic synapse	5.11E‐04
Morphine addiction	6.61E‐04
Chemokine signaling pathway	.001767141
Pathways in cancer	.002621785
Ubiquitin‐mediated proteolysis	.003992899
Circadian entrainment	.006173793
Alcoholism	.007252256
Retrograde endocannabinoid signaling	.007635173
Serotonergic synapse	.010228883
Cholinergic synapse	.010548241
Glutamatergic synapse	.010874016
cAMP signaling pathway	.015890647
Dopaminergic synapse	.016561176
Progesterone‐mediated oocyte maturation	.028192343