Intellectual Disability
|
0.100 |
Biomarker
|
group |
BEFREE |
Expansion of a (CCG)n repeat in the FMR2 gene corresponds to the FRAXE fragile site which lies distal to FRAXA and is also associated with mental retardation, but it is less frequent and lacks a consistent phenotype.
|
9341861 |
1997 |
Intellectual Disability
|
0.100 |
Biomarker
|
group |
BEFREE |
FMR2 is the gene associated with FRAXE mental retardation.
|
9299237 |
1997 |
Intellectual Disability
|
0.100 |
GeneticVariation
|
group |
BEFREE |
These results suggest that neither the FMR1 nor the FMR2 mutation is a common etiology of academic failure among school-age children without mental retardation and that the prevalence of the FMR1 premutation is no more frequent in children with academic failure than it is in the general population.
|
9431501 |
1997 |
Intellectual Disability
|
0.100 |
AlteredExpression
|
group |
BEFREE |
FMR2 expression in families with FRAXE mental retardation.
|
9147647 |
1997 |
Intellectual Disability
|
0.100 |
GeneticVariation
|
group |
BEFREE |
Identification of the gene FMR2, associated with FRAXE mental retardation.
|
8673085 |
1996 |
Intellectual Disability
|
0.100 |
Biomarker
|
group |
BEFREE |
Of the three X chromosome sites, FRAXA, FRAXE and FRAXF, the former two are associated with mental retardation in their expanded forms.
|
8673086 |
1996 |
Intellectual Disability
|
0.100 |
Biomarker
|
group |
BEFREE |
To date, seven diseases have been identified as expanded repeat disorders: the fragile X syndrome of mental retardation both FRAXA and FRAXE loci), myotonic dystrophy, X-linked spinal and bulbar muscular atrophy, Huntington's disease, spinocerebellar ataxia type I, dentatorubral-pallidoluysian atrophy, and Machado-Joseph disease.
|
8833437 |
1996 |
Intellectual Disability
|
0.100 |
Biomarker
|
group |
BEFREE |
For the population studied, we conclude that FRAXE mental retardation is a relatively rare but significant form of mental retardation for which genetic diagnosis would be appropriate.
|
8651274 |
1996 |
Intellectual Disability
|
0.100 |
Biomarker
|
group |
BEFREE |
FRAXE and mental retardation.
|
7783162 |
1995 |
Intellectual Disability
|
0.100 |
GeneticVariation
|
group |
BEFREE |
Another member of the group FRAXE is responsible for a rarer mild form of mental retardation.
|
7731957 |
1995 |
Intellectual Disability
|
0.100 |
GeneticVariation
|
group |
BEFREE |
At least seven disorders result from trinucleotide repeat expansion: X-linked spinal and bulbar muscular atrophy (SBMA), two fragile X syndromes of mental retardation (FRAXA and FRAXE), myotonic dystrophy, Huntington's disease, spinocerebellar ataxia type 1 (SCA1), and dentatorubral-pallidoluysian atrophy (DRPLA).
|
7998766 |
1994 |
Intellectual Disability
|
0.100 |
AlteredExpression
|
group |
BEFREE |
The expression of FRAXA is associated with the fragile X syndrome, the most prevalent form of inherited mental retardation whilst the expression of FRAXE is associated with a rarer and comparatively milder form of mental handicap.
|
7881407 |
1994 |
Intellectual Disability
|
0.100 |
GeneticVariation
|
group |
BEFREE |
The recent observation that the mutation underlying a number of genetic diseases including fragile sites, FRAXA and FRAXE (associated with mental retardation), myotonic dystrophy, spinal and bulbar muscular atrophy (Kennedy's disease), Huntington's disease and spinocerebellar ataxia type 1 are caused by the expansion of a trinucleotide repeat sequence will lead to interest in the identification of such sequences in regions related to other diseases.
|
8162055 |
1994 |
Intellectual Disability
|
0.100 |
GeneticVariation
|
group |
BEFREE |
Trinucleotide repeat amplification and hypermethylation of a CpG island in FRAXE mental retardation.
|
8334699 |
1993 |