Trinucleotide Repeats in 202 Families With Ataxia
Author(s) -
Isabel Silveira,
Carlos J. Miranda,
Laura Guimarães,
M.-C. Moreira,
Isabel Alonso,
Pedro Mendonça,
Anabela Ferro,
Jorge PintoBasto,
João Coelho,
Fátima Ferreirinha,
John T. Poirier,
E. Parreira,
José Vale,
Cristina Januário,
Clara Barbot,
Assunção Tuna,
José Barros,
Reiji Koide,
Shoji Tsuji,
Susan E. Holmes,
Russell L. Margolis,
Laura Bannach Jardim,
Massimo Pandolfo,
Paula Coutinho,
Jorge Sequeiros
Publication year - 2002
Publication title -
archives of neurology
Language(s) - English
Resource type - Journals
eISSN - 1538-3687
pISSN - 0003-9942
DOI - 10.1001/archneur.59.4.623
Subject(s) - trinucleotide repeat expansion , spinocerebellar ataxia , genetics , ataxia , allele , biology , frataxin , genotype , gene , neuroscience , iron binding proteins
Ten neurodegenerative disorders characterized by spinocerebellar ataxia (SCA) are known to be caused by trinucleotide repeat (TNR) expansions. However, in some instances the molecular diagnosis is considered indeterminate because of the overlap between normal and affected allele ranges. In addition, the mechanism that generates expanded alleles is not completely understood.
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