Divergent Roles of p75NTR and Trk Receptors in BDNF's Effects on Dendritic Spine Density and Morphology

Table 1

Quantitative results of dendritic spine analyses.

	Spine density (per 10 μm)	Spine length (μm)	Head width (μm)	Neck width (μm)	Proportion of type I (stubby)	Proportion of type II (mushroom)	Proportion of type III (thin)
Serum media (SM)	7.60±0.57	0.57±0.02	0.37±0.01	0.30±0.01	0.60±0.03	0.30±0.02	0.10±0.02
SM + BDNF	9.39±0.56	0.62±0.01	0.37±0.01	0.26±0.01	0.46±0.01	0.37±0.01	0.17±0.02
SM + REX	8.04±1.32	0.67±0.04	0.39±0.02	0.29±0.02	0.48±0.03	0.32±0.02	0.20±0.02
SM + REX + BDNF	7.82±0.39	0.61±0.03	0.37±0.01	0.28±0.01	0.54±0.03	0.28±0.01	0.18±0.02
SM + k-252a	11.16±1.51	0.65±0.07	0.34±0.01	0.24±0.01	0.42±0.07	0.37±0.04	0.22±0.06
SM + k-252a + BDNF	10.72±0.77	0.63±0.02	0.37±0.01	0.29±0.01	0.53±0.02	0.31±0.01	0.16±0.01
SM + TTX + k-252a	5.05±0.51	0.71±0.02	0.37±0.02	0.28±0.01	0.47±0.03	0.29±0.02	0.23±0.02
SM + TTX	8.60±1.03	0.59±0.02	0.34±0.01	0.27±0.01	0.56±0.02	0.27±0.02	0.17±0.02