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  • Title: Uncommon features in Cuban families affected with Friedreich ataxia.
    Author: Cruz-Mariño T, González-Zaldivar Y, Laffita-Mesa JM, Almaguer-Mederos L, Aguilera-Rodríguez R, Almaguer-Gotay D, Rodríguez-Labrada R, Canales-Ochoa N, Macleod P, Velázquez-Pérez L.
    Journal: Neurosci Lett; 2010 Mar 19; 472(2):85-9. PubMed ID: 20109528.
    Abstract:
    This report describes two families who presented with autosomal recessive ataxia. By means of Polymerase Chain Reaction (PCR) molecular testing we identified expansions in the gene encoding Frataxin (FTX) that is diagnostic of Friedreich ataxia. A history of reproductive loss in the two families, prominent scoliosis deformity preceding the onset of ataxic gait, the presence of a sensitive axonal neuropathy, as well as the common origin of ancestors are unusual features of these families. These cases illustrate the importance of molecular diagnosis in patients with a recessive ataxia. The origin of the expanded gene and the GAA repeat size in the normal population are issues to be further investigated. The molecular diagnosis of Friedreich ataxia is now established in Cuba.
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