Intrafamilial Phenotypic Variability in Friedreich Ataxia Associated With a G130V Mutation in the FRDA Gene

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منابع مشابه

Intrafamilial phenotypic variability in Friedreich ataxia associated with a G130V mutation in the FRDA gene.

BACKGROUND Most patients with Friedreich ataxia (FA) have a GAA trinucleotide repeat expansion in intron 1 of the FA gene (FRDA) on both arms of chromosome 9. However, some patients are compound heterozygotes and harbor a GAA expansion on one allele and a point mutation on the other. Compound heterozygous patients with FA who have a GAA expansion and a G130V mutation have been reported to have ...

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A novel PKP2 mutation and intrafamilial phenotypic variability in ARVC/D

Background: Arrhythmogenic ventricular cardiomyopathy (AVC) is an inherited cardiac disorder affecting 1 in 1000 individuals worldwide. The mean diagnosed age of disease is 31 years. In this article, an Iranian family reported that they were affected by ARVC due to a novel PKP2 mutation.    Methods: Clinical evaluations, 12-lead ECG, CMR, and signal-averaged ECG were performed. After...

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Hereditary Ataxia with a Novel Mutation in the Senataxin Gene: A Case Report

Hereditary ataxias (HA) are a group of inherited neurological disorders caused by changes in genes. At least 115 different mutations in the senataxin (SETX) gene causing ataxia have been identified. There are no reports of any SETX gene mutation among the Iranian population. Here we report on two cases with homozygous and heterozygous mutations in which one patient was affected by HA with oculo...

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Gene Expression Profiling of Mitochondrial Oxidative Phosphorylation (OXPHOS) Complex I in Friedreich Ataxia (FRDA) Patients

Friedreich ataxia (FRDA) is the most frequent progressive autosomal recessive disorder associated with unstable expansion of GAA trinucleotide repeats in the first intron of the FXN gene, which encodes for the mitochondrial frataxin protein. The number of repeats correlates with disease severity, where impaired transcription of the FXN gene results in reduced expression of the frataxin protein....

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case report of friedreich ataxia (frda)

index case is 17 years old girl with ataxia of gait since 3 years ago. she has been walking normally in past. sensory is normal in her legs. ocular movements are normal. she has mild scoliosis. her electrocardiogram shows t-wave inversions. her parents are cousins& asymptomatic. she has 5 brothers & 3 sisters. one of her brothers & one of her sisters are wheelchair dependent. their history is s...

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ژورنال

عنوان ژورنال: Archives of Neurology

سال: 2002

ISSN: 0003-9942

DOI: 10.1001/archneur.59.2.296