Table 4. Quantification of neuron... | Rockefeller University Press

Table 4.

Quantification of neuron positioning defects in embryos overexpressing SDF1a or Cxcr7b

Genotype	Position relative to MHB			n
	Anterior	Adjacent	Posterior	Neurons	Embryos
Wild type, heat shocked	3	18	830	851	20
Mean	0.15	0.9	41.5
SD	0.49	1.21	3.12
SEM	0.11	0.27	0.7
*hsp70:SDF1a*	102	813	467	1,382	27
Mean	3.78	30.11	17.3
SD	3.31	8.91	13.16
SEM	0.64	1.71	2.53
*hsp70:cxcr7b*	113	293	471	877	22
Mean	5.14	13.32	21.41
SD	3.89	5.34	8.75
SEM	0.18	0.24	0.4

Genotype	Position relative to MHB			n
	Anterior	Adjacent	Posterior	Neurons	Embryos
Wild type, heat shocked	3	18	830	851	20
Mean	0.15	0.9	41.5
SD	0.49	1.21	3.12
SEM	0.11	0.27	0.7
*hsp70:SDF1a*	102	813	467	1,382	27
Mean	3.78	30.11	17.3
SD	3.31	8.91	13.16
SEM	0.64	1.71	2.53
*hsp70:cxcr7b*	113	293	471	877	22
Mean	5.14	13.32	21.41
SD	3.89	5.34	8.75
SEM	0.18	0.24	0.4

Neurons were categorized according to their position with respect to the MHB at the 12-somite stage as diagrammed in Fig. 5 U.