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Scientific News

FARA funds research progress

In this section, you will find the most recent FA research publications, many of which are funded by FARA, as well as information on upcoming conferences and symposiums. You can search for articles by date using the archive box in the right hand column. To locate FARA Funded or Supported Research, click the hyperlink in the right hand column. You may also search for specific content using key words or phrases in the search button at the top right of your screen. Please be sure to visit other key research sections of our website for information on FARA’s Grant Program and the Treatment Pipeline.


Atypical, perhaps under-recognized? An unusual phenotype of Friedreich ataxia

Friedreich ataxia (FRDA) is typically characterized by slowly progressive ataxia, depressed tendon reflexes, dysarthria, pyramidal signs, and loss of position and vibration sense with onset before 25 years. While several atypical forms of FRDA are recognized, profound vision deficit is rare. We describe here a 41-year-old man with profound vision deficit and episodic complete blindness associated with marked optic atrophy, spastic paraparesis, and sensory neuropathy.

Atypical, perhaps under-recognized? An unusual phenotype of Friedreich ataxia

FRIEDREICH'S ATAXIA: MOLECULAR MECHANISMS, REDOX CONSIDERATIONS AND THERAPEUTIC OPPORTUNITIES

Mitochondrial dysfunction and oxidative damage are at the origin of numerous neurodegenerative diseases like Friedreich ataxia and Alzheimer and Parkinson diseases. Friedreich ataxia (FRDA) is the most common hereditary ataxia, with one individual affected in 50,000. This disease is characterized by progressive degeneration of the central and peripheral nervous systems, cardiomyopathy, and increased incidence of diabetes mellitus.

FRIEDREICH'S ATAXIA: MOLECULAR MECHANISMS, REDOX CONSIDERATIONS AND THERAPEUTIC OPPORTUNITIES

Frataxin, a molecule of mystery: trading stability for function in its iron-binding site

What are the structural implications for iron binding by frataxin, the mitochondrial protein whose decreased expression results in Friedreich's ataxia? Though frataxin has been shown to be essential for proper handling of iron within mitochondria (e.g. for iron–sulfur cluster and haem biosynthesis), its exact molecular function remains unclear. In this issue of the Biochemical Journal, Correia and colleagues. investigate the relationship between structure and function at the putative iron-binding site of Yfh1 (yeast frataxin).

Frataxin, a molecule of mystery: trading stability for function in its iron-binding site

Flavin Adenine Dinucleotide Rescues the Phenotype of Frataxin Deficiency

Friedreich ataxia is a neurodegenerative disease caused by the lack of frataxin, a mitochondrial protein. We previously demonstrated that frataxin interacts with complex II subunits of the electronic transport chain (ETC) and putative electronic transfer flavoproteins, suggesting that frataxin could participate in the oxidative phosphorylation.

Flavin Adenine Dinucleotide Rescues the Phenotype of Frataxin Deficiency

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