Abstract
We present recent advances in the genetics of recurrent vertigo, including familial episodic ataxias, migraneous vertigo, bilateral vestibular hypofunction and Menieres disease. Although several vestibular disorders are more common within families, the genetics of vestibulopathies is largely not known. Genetic loci and clinical features of familial episodic ataxias have been defined in linkage disequilibrium studies with mutations in neuronal genes KCNA1 and CACNA1A. Migrainous vertigo is a clinical disorder with a high comorbidity within families much more common in females with overlapping features with episodic ataxia and migraine. Bilateral vestibular hypofunction is a heterogeneous clinical group defined by episodes of vertigo leading to progressive loss of vestibular function which also can include migraine. Menieres disease is a clinical syndrome characterized by spontaneous episodes of recurrent vertigo, sensorineural hearing loss, tinnitus and aural fullness and familial Menieres disease in around 10-20%of cases. An international collaborative effort to define the clinical phenotype and recruiting patients with migrainous vertigo and Menieres disease is ongoing for genome-wide association studies.
Keywords: Vestibulopathies, recurrent vertigo, Meniere's disease, genome-association studies, Episodic Ataxia, tinnitus, migraneous vertigo, migraine, Sensorineural hearing loss, Nystagmus
Current Genomics
Title: Genetics of Recurrent Vertigo and Vestibular Disorders
Volume: 12 Issue: 6
Author(s): Irene Gazquez and Jose A. Lopez-Escamez
Affiliation:
Keywords: Vestibulopathies, recurrent vertigo, Meniere's disease, genome-association studies, Episodic Ataxia, tinnitus, migraneous vertigo, migraine, Sensorineural hearing loss, Nystagmus
Abstract: We present recent advances in the genetics of recurrent vertigo, including familial episodic ataxias, migraneous vertigo, bilateral vestibular hypofunction and Menieres disease. Although several vestibular disorders are more common within families, the genetics of vestibulopathies is largely not known. Genetic loci and clinical features of familial episodic ataxias have been defined in linkage disequilibrium studies with mutations in neuronal genes KCNA1 and CACNA1A. Migrainous vertigo is a clinical disorder with a high comorbidity within families much more common in females with overlapping features with episodic ataxia and migraine. Bilateral vestibular hypofunction is a heterogeneous clinical group defined by episodes of vertigo leading to progressive loss of vestibular function which also can include migraine. Menieres disease is a clinical syndrome characterized by spontaneous episodes of recurrent vertigo, sensorineural hearing loss, tinnitus and aural fullness and familial Menieres disease in around 10-20%of cases. An international collaborative effort to define the clinical phenotype and recruiting patients with migrainous vertigo and Menieres disease is ongoing for genome-wide association studies.
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Cite this article as:
Gazquez Irene and A. Lopez-Escamez Jose, Genetics of Recurrent Vertigo and Vestibular Disorders, Current Genomics 2011; 12 (6) . https://dx.doi.org/10.2174/138920211797248600
DOI https://dx.doi.org/10.2174/138920211797248600 |
Print ISSN 1389-2029 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5488 |
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