Table 2.

Gene expression fold change means and standard deviations in the inferior colliculus, relative to the gene expression in young adult mice with normal hearing, for the middle age and old subject groups

			GeneChip Average Fold Change, SD
Gene ID	Gene Name	Gene Function	Middle Age	Old Mild	Old Severe
1452031_at	SLC1A3 (GluT-1/GLAST)	Glial High Affinity Glutamate Transporter	−0.86, 0.798	−0.40, 1.095	0.26, 1.18
1415836_at	PYCS	Pyrroline-5-carboxylate synthetase	−0.45, 0.995	−0.63, 0.93	−1.11, 0.035
1451627_a_at	SLC1A2 (GLT-1)	Glial High Affinity Glutamate Transporter	0.31, 1.2	−0.44, 1.15	−0.36, 1.26
1418610_at	SLC17A6 (VGluT1)	Solute Carrier Family 17 (vesicle transporter)	−1.36, 1.16	−1.72, 0.64	−2.08, 0.61
1427709_at	GRIK3	Glutamate Receptor, Inotropic, Kainate 3	0.31, 1.06	0.11, 1.09	−1.05, 0.022