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Review Cerebellar ataxia and functional genomics: Identifying the routes to cerebellar neurodegeneration

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Citation

Smeets, C. J. L. M., & Verbeek, D. (2014). Review Cerebellar ataxia and functional genomics: Identifying the routes to cerebellar neurodegeneration. Biochimica et Biophysica Acta: BBA, 1842(10), 2030-2038. doi:10.1016/j.bbadis.2014.04.004.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002D-A780-8
Abstract
Cerebellar ataxias are progressive neurodegenerative disorders characterized by atrophy of the cerebellum leading to motor dysfunction, balance problems, and limb and gait ataxia. These include among others, the dominantly inherited spinocerebellar ataxias, recessive cerebellar ataxias such as Friedreich's ataxia, and X-linked cerebellar ataxias. Since all cerebellar ataxias display considerable overlap in their disease phenotypes, common pathological pathways must underlie the selective cerebellar neurodegeneration. Therefore, it is important to identify the molecular mechanisms and routes to neurodegeneration that cause cerebellar ataxia. In this review, we discuss the use of functional genomic approaches including whole-exome sequencing, genome-wide gene expression profiling, miRNA profiling, epigenetic profiling, and genetic modifier screens to reveal the underlying pathogenesis of various cerebellar ataxias. These approaches have resulted in the identification of many disease genes, modifier genes, and biomarkers correlating with specific stages of the disease. This article is part of a Special Issue entitled: From Genome to Function.