Table 1. Comparison of sham-operated wild-type and EphA4 knockout spinal cords: gene ontology groups over-represented in list of differentially expressed genes.

Biological Process	p-value	Molecular Function	p-value
Regulation of pH	0.0058	Enzyme activator activity	0.0021
Monovalent inorganic cation		GTPase activator activity	0.0201
Homeostasis	0.0089	GTPase regulator activity	0.0392
Mitochondrion organization	0.0145	Nucleoside-triphosphatase regulator
Regulation of transcription	0.0317	Activity	0.0419
Transcription	0.0346
Regulation of cell morphogenesis		Cellular Component	p-value
Involved in differentiation	0.0361	Nucleus	0.0083
Regulation of gene expression	0.0375	Intracellular organelle	0.0143
Cellular macromolecule biosynthetic		Organelle	0.0145
Process	0.0408	Cell junction	0.0175
Macromolecule biosynthetic process	0.0420	Intracellular membrane-bounded
Positive regulation of apoptosis	0.0442	Organelle	0.0275
Positive regulation of programmed		Membrane-bounded organelle	0.028
cell death	0.0456	Synapse	0.0362
Positive regulation of cell death	0.0463	Proteasome complex	0.0423

(GoMiner analysis: significance level of p<0.05).