Chapter title |
Isolated Hearing Impairment Caused by SPATA5 Mutations in a Family with Variable Phenotypic Expression
|
---|---|
Chapter number | 206 |
Book title |
Respiratory System Diseases
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Published in |
Advances in experimental medicine and biology, January 2017
|
DOI | 10.1007/5584_2016_206 |
Pubmed ID | |
Book ISBNs |
978-3-31-959497-2, 978-3-31-959498-9
|
Authors |
Krzysztof Szczałuba, Krystyna Szymańska, Joanna Kosińska, Agnieszka Pollak, Victor Murcia, Anna Kędra, Piotr Stawiński, Małgorzata Rydzanicz, Urszula Demkow, Rafał Płoski, Szczałuba, Krzysztof, Szymańska, Krystyna, Kosińska, Joanna, Pollak, Agnieszka, Murcia, Victor, Kędra, Anna, Stawiński, Piotr, Rydzanicz, Małgorzata, Demkow, Urszula, Płoski, Rafał |
Abstract |
Biallelic mutations in the SPATA5 gene, encoding ATPase family protein, are an important cause of newly recognized epileptic encephalopathy classified as epilepsy, hearing loss, and mental retardation syndrome (EHLMRS, OMIM: 616577). Herein we describe a family in which two SPATA5 mutations with established pathogenicity (p.Thr330del and c.1714+1G>A) were found in the proband and her younger sister. The proband had a similar clinical picture to the previous descriptions of EHLMRS. In the sister, the only manifestation was an isolated sensorineural hearing loss. Our findings extend the phenotypic spectrum of SPATA5-associated diseases and indicate that SPATA5 defects may account for a fraction of isolated sensorineural hearing impairment cases. |
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Demographic breakdown
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