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Brown-Vialetto-Van Laere Syndrome, a Ponto-Bulbar Palsy with Deafness, Is Caused by Mutations in C20orf54

Research output: Contribution to journalArticle

Peter Green, Matthew Wiseman, Yanick J. Crow, Henry Houlden, Shelley Riphagen, Jean-Pierre Lin, F. Lucy Raymond, Anne-Marie Childs, Eamonn Sheridan, Sian Edwards, Dragana Josifova

Original languageEnglish
Pages (from-to)485 - 489
Number of pages5
JournalAmerican Journal of Human Genetics
Issue number3

King's Authors


Brown-Vialetto-Van Laere syndrome is a rare neurological disorder with a variable age at onset and clinical course. The key features are progressive ponto-bulbar palsy and bilateral sensorineural deafness. A complex neurological phenotype with a mixed picture of upper and lower motor neuron involvement reminiscent of amyotrophic lateral sclerosis evolves with disease progression. We identified a candidate gene, C20orf54, by studying a consanguineous family with multiple affected individuals and subsequently demonstrated that mutations in this gene were the cause of disease in other, unrelated families.

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