Family | # Affected relatives | DNA change | Protein change | Exon/Intron | Clinical features | Remarks |
1
| unknown |
c.523+5G>A
| p.? | Intron 5 |
Hydrocephalus
| |
2
| Unknown |
c.1123+1G>A
| p.? | Intron 9 |
Hydrocephalus
| |
3
| Unknown |
c.3457+3A>T
| p.? | Intron 25 |
Hydrocephalus, Mental retardation
| |
4
| 2 |
c.523+12C>T
| p.? | Intron 5 |
Adducted thumbs, Hydrocephalus
| Stillborn 2/2 |
5
| 1 |
c.523+12C>T
| p.? | Intron 5 |
Adducted thumbs, Hydrocephalus, Mental retardation
| De novo by mother |
6
| 1 |
c.1547-13delC
| p.? | Intron 12 |
Adducted thumbs, Hydrocephalus, Mental retardation
| Died at the age of 1 yr |
7
| 1 |
c.3323-17dupG
| none | Intron 24 |
Hydrocephalus
| Died at the age of 10 months |