نتایج جستجو برای: friedreich
تعداد نتایج: 2912 فیلتر نتایج به سال:
BACKGROUND Mitochondrial dysfunction due to respiratory chain impairment is a key feature in pathogenesis of Friedreich ataxia. Friedreich ataxia affects the nervous system, heart and pancreas. METHODS We assessed hepatic mitochondrial function by (13)C-methionine-breath-test in 16 Friedreich ataxia patients and matched healthy controls. RESULTS Patients exhaled significantly smaller amount...
Gold quantum clusters are therapeutic in preclinical models of Friedreich ataxia.
Friedreich ataxia, although rare, is the most prevalent inherited ataxia. Recent insight into the disease pathogenesis is creating new hope for effective therapies. The purposes of this update are: (1) to review the etiology, presentation, and progression of Friedreich ataxia and (2) to describe a comprehensive physical therapist examination emphasizing valid and reliable performance measuremen...
This study tested the ability of A0001 (α-tocopheryl quinone; EPI-A0001), a potent antioxidant, to improve in vitro measures, glucose metabolism, and neurological function in Friedreich ataxia. We used an in vitro study of protection from cell toxicity followed by a double-blind, randomized, placebo-controlled trial of 2 doses of A0001 in 31 adults with Friedreich ataxia. The primary clinical t...
Background: Defects in the protein frataxin give rise to Friedreich ataxia. Results: A new Friedreich ataxia model using fission yeast has been generated, and its phenotype and proteome characterized. Conclusion: Frataxin absence triggers a complete iron starvation program, sufficient to generate all the associated respiratory defects. Significance: Our new model system may contribute to deciph...
BACKGROUND Friedreich ataxia is an autosomal recessive hereditary spinocerebellar disorder, characterized by progressive limb and gait ataxia due to proprioceptive loss, often complicated by cardiomyopathy, diabetes and skeletal deformities. Friedreich ataxia is the most common hereditary ataxia, with a reported prevalence of 1:20 000 - 1:50 000 in Central Europe. Previous reports from south No...
Friedreich ataxia, an autosomal recessive neurodegenerative disease, is the most common of the inherited ataxias. The recent discovery of the gene that is mutated in this condition, FRDA, has led to rapid advances in the understanding of the pathogenesis of Friedreich ataxia. About 98% of mutant alleles have an expansion of a GAA trinucleotide repeat in intron 1 of the gene. This leads to reduc...
Friedreich ataxia is an autosomal recessive, inherited neuro- and cardio-degenerative disorder characterized by progressive ataxia of all four limbs, dysarthria, areflexia, sensory loss, skeletal deformities, and hypertrophic cardiomyopathy. Most disease alleles have a trinucleotide repeat expansion in the first intron of the FXN gene, which decreases expression of the encoded protein frataxin....
BACKGROUND Friedreich ataxia is caused by an expanded GAA triplet-repeat sequence in intron 1 of the FXN gene that results in epigenetic silencing of the FXN promoter. This silencing mechanism is seen in patient-derived lymphoblastoid cells but it remains unknown if it is a widespread phenomenon affecting multiple cell types and tissues. METHODOLOGY / PRINCIPAL FINDINGS The humanized mouse mo...
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