MENTAL RETARDATION, AUTOSOMAL RECESSIVE 18

General Information (adopted from Orphanet):

Synonyms, Signs: MRT18
Number of Symptoms 2
OrphanetNr:
OMIM Id: 614249
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:0000007) Autosomal recessive inheritance 2538 / 7739

Associated genes:

ClinVar (via SNiPA)

Gene symbol Variation Clinical significance Reference

Additional Information:

Clinical Description OMIM Hashimoto et al. (2011) reported a large Algerian consanguineous multiplex family in which 5 affected individuals presented with nonsyndromic intellectual disability. Two sisters were evaluated, age 39 and 41 years. The parents were healthy first cousins from Algeria. ...
Molecular genetics OMIM Hashimoto et al. (2011) identified a G-to-A transition at nucleotide 1850 of the MED23 gene, resulting in an arg-to-gln substitution at codon 617 (R617Q; 605042.0001). Arg617 is absolutely conserved across all MED23 orthologs from Xenopus to Drosophila and ...