SABINAS BRITTLE HAIR SYNDROME

General Information (adopted from Orphanet):

Synonyms, Signs: BRITTLE HAIR AND MENTAL DEFICIT
Number of Symptoms 10
OrphanetNr:
OMIM Id: 211390
ICD-10:
UMLs:
MeSH:
MedDRA:
Snomed:

Prevalence, inheritance and age of onset:

Prevalence: No data available.
Inheritance: Autosomal recessive inheritance
[Omim]
Age of onset:

Disease classification (adopted from Orphanet):

Parent Diseases: No data available.

Symptom Information: Sort by abundance 

1
(HPO:0001249) Intellectual disability 1089 / 7739
2
(HPO:0002299) Brittle hair 52 / 7739
3
(HPO:0011359) Dry hair 16 / 7739
4
(HPO:0008404) Nail dystrophy rare [HPO:skoehler] 89 / 7739
5
(HPO:0002164) Nail dysplasia 82 / 7739
6
(HPO:0001006) Hypotrichosis 219 / 7739
7
(OMIM) Fragile hair 5 / 7739
8
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739
9
(OMIM) Hypotrichosis, axillary and pubic, postpubertal 1 / 7739
10
(OMIM) Hypotrichosis present at infancy 1 / 7739

Associated genes:

ClinVar (via SNiPA)

Gene symbol Variation Clinical significance Reference

Additional Information:

Description: (OMIM) The principal features of Sabinas brittle hair syndrome, a form of nonphotosensitive trichothiodystrophy (TTDN; see 234050), include congenital hypotrichosis, mild to moderate onychodysplasia, varying mental retardation, and sterility. Ocular dysplasias are sometimes present and dentition is normal (Howell ...
Clinical Description OMIM Arbisser et al. (1976) observed dry, brittle, fragile hair and mental deficit in a brother-sister pair from a small remote village of northern Mexico. The hair showed decreased cuticular layer and an apparently collapsed cortex. Other children in ...
Molecular genetics OMIM In 2 cases of Sabinas syndrome and 1 case of Pollitt syndrome, Nakabayashi et al. (2005) failed to find mutation in the C7ORF11 gene (609188), mutations in which were found in other nonphotosensitive TTD cases with mental retardation ...