Table 1.

Comparison of the parameters mitochondrial volume and mitochondrial density in 16 and 28 dpi neurons between control mice and mice with access to running wheels

	Control 16 dpi	Runner 16 dpi	p value	Control 28 dpi	Runner 28 dpi	p value
Absolute mitochondrial volume (μm3)
Whole cell	80 ± 8	286 ± 39	<0.001
Soma + dendritic shaft	63 ± 7	150 ± 16	<0.001
Dendritic tree	17 ± 3	136 ± 26	<0.001
Proximal dendrites (<100 μm)	15 ± 2	70 ± 9	<0.001
Distal dendrites (>100 μm)	1 ± 0.8	66 ± 18	<0.01
Mitochondrial density index (μm3/μm length)
Whole cell	0.20 ± 0.02	0.30 ± 0.04	0.05
Soma + dendritic shaft	0.75 ± 0.09	1.54 ± 0.23	<0.01
Dendritic tree	0.05 ± 0.006	0.15 ± 0.03	<0.01
Proximal dendrites (<100 μm)	0.06 ± 0.006	0.18 ± 0.03	<0.01
Distal dendrites (>100 μm)	0.07 ± 0.05	0.13 ± 0.03	0.3
Absolute mitochondrial volume (μm3)
Whole cell				204 ± 15	253 ± 23	0.09
Soma + dendritic shaft				55 ± 4	66 ± 9	0.29
Dendritic tree				149 ± 13	187 ± 17	0.1
Proximal dendrites (<100 μm)				44 ± 4	50 ± 5	0.38
Distal dendrites (>100 μm)				105 ± 10	137 ± 13	0.07
Mitochondrial density index (μm3/ μm length)
Whole cell				0.17 ± 0.01	0.20 ± 0.02	0.14
Soma + dendritic shaft				0.60 ± 0.05	0.78 ± 0.07	0.06
Dendritic tree				0.14 ± 0.01	0.16 ± 0.02	0.20
Proximal dendrites (<100 μm)				0.13 ± 0.01	0.17 ± 0.02	0.11
Distal dendrites (>100 μm)				0.14 ± 0.01	0.16 ± 0.02	0.26

Data is given as mean ± SEM.