Table 1. Ontology analysis of E-regulated functional pathways compared with P-regulated, and combined E/P-regulated pathways in normal human breast.

E Regulation Summary function	Enrichment score
Chemokine signalling	3.77
Extracellular signalling Hormone response	2.89 2.85
Extracellular metabolism	2.34
P regulation Summary function	Enrichment score
RNA processing	9.77
Macromolecule assembly	3.29
Cell cycle	3.27
Mitochondrial organisation Cell cycle regulation	2.97 2.40
Serine peptidase inhibition	2.21
ECM binding	2.03
Combined E and P regulation Summary Function	Enrichment score
Wound response Cell adhesion Hormone response	2.68 2.40 2.12