This book provides a cutting-edge review of polyglutamine disorders. It primarily focuses on two main aspects: (1) the mechanisms underlying the pathologies' development and progression, and (2) the therapeutic strategies that are currently being explored to stop or delay disease progression.

Clinical features of Huntington's disease.- Genetic rodent models of Huntington's disease.- Mitochondrial dysfunction in Huntington's disease.- RNA related pathology in Huntington's disease.- Spinal and bulbar muscular atrophy: from clinical genetic features and molecular pathology to mechanisms underlying disease toxicity.- Spinocerebellar Ataxia Type 1: Molecular Mechanisms Of Neurodegeneration And Preclinical Studies.- Spinocerebellar Ataxia, type 6.- Spinocerebellar ataxia type 2.- Molecular mechanisms and therapeutic strategies in Spinocerebellar ataxia type 7.- Spinocerebellar ataxia type 17 (SCA17).- The neuropatholy of spinocerebellar ataxia type 3/Machado-Joseph disease.- Origins and spread of Machado-Joseph disease ancestral mutational events.- Clinical features in Machado-Joseph disease.- Polyglutamine-independent features in ataxin-3 aggregation and pathogenesis of Machado-Joseph disease.- Animal models in Machado-Joseph disease.- Towards the identification of molecular biomarkers of Spinocerebellar ataxia type 3/Machado-Joseph disease.- Planning future clinical trials for Machado Joseph Disease.- Molecular mechanisms and cellular pathways implicated in Machado-Joseph disease pathogenesis.- Pharmacological therapies for Machado-Joseph disease.- Gene therapy for Polyglutamine diseases.- Stem cell-based therapies for Polyglutamine diseases.