Quantification of neuron positioning defects in SDF1a-TP– and SDF1a-ctrl-TP–injected embryos
| Genotype | Embryos with mispositioned neurons | Total embryos | Total mispositioned neurons | Severity | Penetrance |
| % | |||||
| Wild-type; SDF1a-ctrl-TP | 12 | 166 | 36 | 0.22 | 7.23 |
| Mean | 0.18 | ||||
| SD | 0.9 | ||||
| SEM | 0.06 | ||||
| Wild-type; SDF1a-TP | 41 | 84 | 242 | 2.88 | 48.81 |
| Mean | 2.88 | ||||
| SD | 4.83 | ||||
| SEM | 0.53 | ||||
| Wild-type; SDF1a-TP; SDF1a-AUG | 28 | 74 | 198 | 2.68 | 37.84 |
| Mean | 2.68 | ||||
| SD | 4.72 | ||||
| SEM | 0.55 | ||||
| cxcr7b−/+; SDF1a-ctrl-TP | 11 | 85 | 36 | 0.42 | 12.94 |
| Mean | 0.42 | ||||
| SD | 1.23 | ||||
| SEM | 0.13 | ||||
| cxcr7b−/+; SDF1a-TP | 130 | 193 | 1143 | 5.92 | 67.36 |
| Mean | 5.92 | ||||
| SD | 5.5 | ||||
| SEM | 0.4 | ||||
| cxcr7b−/+; SDF1a-TP; SDF1a-AUG | 71 | 112 | 400 | 3.57 | 63.39 |
| Mean | 3.57 | ||||
| SD | 4.05 | ||||
| SEM | 0.38 | ||||
| cxcr7b−/−; SDF1a-ctrl-TP | 31 | 31 | 506 | 16.32 | 100 |
| Mean | 16.32 | ||||
| SD | 7.05 | ||||
| SEM | 1.27 | ||||
| cxcr7b−/−; SDF1a-TP | 21 | 21 | 496 | 23.62 | 100 |
| Mean | 22.25 | ||||
| SD | 6.35 | ||||
| SEM | 1.35 |
| Genotype | Embryos with mispositioned neurons | Total embryos | Total mispositioned neurons | Severity | Penetrance |
| % | |||||
| Wild-type; SDF1a-ctrl-TP | 12 | 166 | 36 | 0.22 | 7.23 |
| Mean | 0.18 | ||||
| SD | 0.9 | ||||
| SEM | 0.06 | ||||
| Wild-type; SDF1a-TP | 41 | 84 | 242 | 2.88 | 48.81 |
| Mean | 2.88 | ||||
| SD | 4.83 | ||||
| SEM | 0.53 | ||||
| Wild-type; SDF1a-TP; SDF1a-AUG | 28 | 74 | 198 | 2.68 | 37.84 |
| Mean | 2.68 | ||||
| SD | 4.72 | ||||
| SEM | 0.55 | ||||
| cxcr7b−/+; SDF1a-ctrl-TP | 11 | 85 | 36 | 0.42 | 12.94 |
| Mean | 0.42 | ||||
| SD | 1.23 | ||||
| SEM | 0.13 | ||||
| cxcr7b−/+; SDF1a-TP | 130 | 193 | 1143 | 5.92 | 67.36 |
| Mean | 5.92 | ||||
| SD | 5.5 | ||||
| SEM | 0.4 | ||||
| cxcr7b−/+; SDF1a-TP; SDF1a-AUG | 71 | 112 | 400 | 3.57 | 63.39 |
| Mean | 3.57 | ||||
| SD | 4.05 | ||||
| SEM | 0.38 | ||||
| cxcr7b−/−; SDF1a-ctrl-TP | 31 | 31 | 506 | 16.32 | 100 |
| Mean | 16.32 | ||||
| SD | 7.05 | ||||
| SEM | 1.27 | ||||
| cxcr7b−/−; SDF1a-TP | 21 | 21 | 496 | 23.62 | 100 |
| Mean | 22.25 | ||||
| SD | 6.35 | ||||
| SEM | 1.35 |
Mispositioned neurons were defined as neurons anterior or adjacent to the MHB at the 10-somite stage. Severity is defined as the average number of mispositioned neurons per embryo. Penetrance is defined as the frequency of embryos with mispositioned neurons.