GFRα-3 sequence variants in HSCR and control DNA samples
| Location | Nucleotide change | Variant allele | ||||
|---|---|---|---|---|---|---|
| HSCR | Control | |||||
| No | Frequency | No | Frequency | |||
| 5′ UTR | −15C>A | 26 | 0.0 | 55 | 0.01 | |
| Intron 4 | IVS4−30A>G | 25 | 0.10 | 57 | 0.07 | |
| Intron 7 | IVS7+4insGG | 25 | 0.0 | 50 | 0.02 | |
No = number of subjects genotyped.
Frequency = the frequency of the rare allele in the indicated population.