Table 3.

Enrichment analysis of 179 genes commonly selected in the top most 2000 genes by applying PCA-based unsupervised FE to gene expression and promoter methylation.

DAVID KEGG
rno04740	50	Olfactory transduction	1.63E-15
GO BP
GO:0007186	79	G-protein coupled receptor protein signaling pathway	2.04E-20
GO:0007166	85	Cell surface receptor linked signal transduction	2.39E-18
GO:0050911	59	Detection of chemical stimulus involved in sensory perception of smell	1.99E-18
GO:0050907	59	Detection of chemical stimulus involved in sensory perception	2.22E-18
GO:0009593	59	Detection of chemical stimulus	3.09E-18
GO:0007608	59	Sensory perception of smell	3.38E-18
GO:0050906	59	Detection of stimulus involved in sensory perception	3.26E-18
GO:0007606	60	Sensory perception of chemical stimulus	2.89E-18
GO:0051606	60	Detection of stimulus	2.88E-18
GO:0007600	61	Sensory perception	3.31E-16
GO:0050890	62	Cognition	2.44E-15
GO:0050877	62	Neurological system process	1.94E-12
GO CC
GO:0016021	101	Integral to membrane	3.57E-12
GO:0031224	101	Intrinsic to membrane	1.65E-11
GO:0031983	7	Vesicle lumen	1.49E-03
GO:0060205	6	Cytoplasmic membrane-bounded vesicle lumen	7.41E-03
GO:0031091	6	Platelet alpha granule	1.59E-02
GO:0031093	5	Platelet alpha granule lumen	3.82E-02
GO MF
GO:0004984	60	Olfactory receptor activity	1.59E-19