Table 1.

Marker expression for T7 DRG neurons in the absence of Merkel cells

Protein	Age	Control	K14; Atoh1CKO	n	p Value
Islet 1/2	E13.5	5025 ± 168	5170 ± 97	23	0.45
	E16.5	4974 ± 165	5344 ± 201	36, 32	0.16
	P0	4639 ± 124	4618 ± 128	43	0.91
	P21	5060 ± 183	5028 ± 171	26, 24	0.90
NF200	E13.5	742 ± 90	823 ± 41	4	0.44
	E16.5	762 ± 16	793 ± 42	4	0.51
	P0	719 ± 22	747 ± 42	12	0.56
	P21	1105 ± 89	1002 ± 19	3	0.32
TrkB	E13.5	4.5 ± 0.48%	4.1 ± 0.26%	3	0.49
	E16.5	8.5 ± 0.59%	6.3 ± 0.41%	7, 6	0.02
	P0	8.6 ± 0.63%	7.0 ± 0.42%	13	0.05
	P21	10.7 ± 1.33%	10.4 ± 0.20%	3	0.83
TrkC	E13.5	4.7 ± 0.27%	4.7 ± 0.27%	12	0.95
	E16.5	6.1 ± 0.43%	5.2 ± 0.40%	21, 18	0.12
	P0	8.6 ± 0.34%	6.7 ± 0.42%	16	0.002
	P21	11.0 ± 0.98%	7.2 ± 0.50%	12	0.003
TrkB/TrkC	E13.5	0.1 ± 0.01%	0.1 ± 0.01%	3	0.46
	E16.5	1.2 ± 0.24%	1.1 ± 0.23%	7, 6	0.59
	P0	4.2 ± 0.52%	1.6 ± 0.62%	6	0.01
	P21	3.7 ± 0.51%	4.1 ± 0.14%	3	0.51
NF200/Ret	E13.5	2.9 ± 0.52%	2.7 ± 0.30%	4	0.71
	E16.5	3.5 ± 0.48%	3.1 ± 0.15%	4	0.45
	P0	2.0 ± 0.07%	2.3 ± 0.19%	6	0.17
	P21	9.8 ± 0.33%	6.6 ± 0.41%	3	0.004
TrkC/Ret	E13.5	0.6 ± 0.05%	0.6 ± 0.03%	3	0.68
	E16.5	2.4 ± 0.57%	2.4 ± 0.72%	4	0.97
	P0	2.0 ± 0.18%	2.2 ± 0.34%	4	0.70
	P21	5.9 ± 0.52%	2.9 ± 0.32%	6	0.0006
PV	E13.5	1.3 ± 0.15%	1.4 ± 0.12%	6	0.81
	E16.5	2.9 ± 0.37%	2.5 ± 0.29%	10, 8	0.41
	P0	2.8 ± 0.25%	2.2 ± 0.18%	6	0.10
	P21	2.5 ± 0.21%	2.3 ± 0.42%	6	0.63
PV/TrkC	E13.5	1.3 ± 0.15%	1.4 ± 0.12%	6	0.81
	E16.5	2.9 ± 0.37%	2.50 ± 0.29%	10, 8	0.41
	P0	2.8 ± 0.25%	2.2 ± 0.18%	6	0.10
	P21	2.5 ± 0.21%	2.3 ± 0.42%	6	0.63
NF200/γENaC	P21	11.1 ± 0.17%	7.0 ± 0.37%	3	0.0006
NF200/ASIC1	P21	12.9 ± 1.61%	12.7 ± 0.73%	3	0.88
NF200/DOR	P21	13.1 ± 0.80%	11.7 ± 0.48%	3	0.20

Values are given as T7 DRG neuron counts and the percentages of total neuron numbers expressing different markers in K14; Atoh1^CKO and control littermate mice, and are reported as the mean ± SEM, unless otherwised indicated.