Table 1.

NBC, NHE, and inwardly rectifying K⁺ channel gene expression differences between cortical and brainstem astrocytes

	Culture			Neonate			Adult
	Brainstem	Cortex	Fold difference	Brainstem	Cortex	Fold difference	Brainstem	Cortex	Fold difference
NBCs
SLC4a4	53.3	13.4	4.0	836.9	140.2	6.0	421.1	18.3	23.0
SLC4a5	4.5	0	—	1.8	4.5	0.4	5.1	0.4	12.8
SLC4a7	9.5	14.0	0.7	8.2	16.4	0.5	7.4	24.0	0.3
SLC4a8	0	0	—	0	0	—	0	0	—
SLC4a9	0	0	—	0	0	—	0	0	—
SLC4a10	3.3	0	—	11.2	2.4	4.7	2.0	5.6	0.4
SLC4a11	0	0	—	0	0	—	0	0	—
NHEs
SLC9A1	13.2	18.6	0.7	28.0	39.9	0.7	20.8	39.2	0.5
SLC9A2	0	0	—	0.5	0	—	0	1.9	—
SLC9A3	0.3	0	—	0	0.1	—	0	0	—
SLC9A4	0	0	—	0	0	—	0	0	—
SLC9A5	2.0	1.3	1.5	1.2	3.5	0.3	0.3	0	—
SLC9B1	0	0	—	0	0	—	0	0	—
Inwardly rectifying K+ channels
KCNJ10	127.9	19.0	6.7	188.4	100.5	1.9	709.9	23.1	30.7
KCNJ16	0.4	0.7	0.6	55.9	1.1	50.8	92.5	6.2	14.9

Data are presented in fragments per kilobase of transcript sequence per million mapped fragments.