Table 4.

Gene ontology classification using DAVID to group genes of similar functional families.

Group	# genes	Enrichment score	Type of gene
Up regulated*
1	71	6.37	Transcription regulatory / nuclear
2	14	5.8	RNA binding or RNA processing proteins
3	23	5.1	Primary metabolism / Protein metabolism
4	24	4.27	Protein kinases
5	10	2.36	Vesicle associated intracellular transport
Down regulated**
1	18	5.62	Transmembrane protein
2	19	4.47	Immunoglobulin domain containing transmembrane protein
3	7	4.4	Cytoskeleton / intermediate filament protein
4	4	3.16	Membrane protein
5	6	3.01	Epidermal morphogenesis

^*There were 472 upregulated Affymetrix® IDs with 384 matching DAVID dataset entries. Of these 142 were grouped.

^**There were 201 downregulated Affymetrix® IDs with 170 matching DAVID dataset entries. Of these 54 were grouped.