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. 2014 Sep 29;7:77. doi: 10.3389/fnmol.2014.00077

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Copyright © 2014 Ortega and Lucas.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Neurodegenerative diseases caused by CAG/polyQ expansion. HD, Huntington’s disease; SCA1, spinocerebellar ataxia 1; DRPLA, dentatorubral-pallidoluysian atrophy; SCA7, spinocerebellar ataxia 7; MJD, Machado–Joseph dystrophy; SCA2, spinocerebellar ataxia 2; SBMA, spinobulbar muscular atrophy; SCA17, spinocerebellar ataxia 17; SCA6, spinocerebellar ataxia 6. The lower underlined number in each pathology represent the pathological threshold of the disease, the last underlined number represents the longest repetition analyzed. ORF, open reading frame.